./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label07_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_8dfa97ca-b509-448a-9688-44fdb23a2438/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8dfa97ca-b509-448a-9688-44fdb23a2438/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8dfa97ca-b509-448a-9688-44fdb23a2438/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8dfa97ca-b509-448a-9688-44fdb23a2438/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label07_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8dfa97ca-b509-448a-9688-44fdb23a2438/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8dfa97ca-b509-448a-9688-44fdb23a2438/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 9aed91daf686837f7bc54e69e27260eed52fbd4d ...................................................................................................................................................................................................................................................................................................... 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 16:56:11,198 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:56:11,199 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:56:11,207 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:56:11,207 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:56:11,207 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:56:11,208 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:56:11,209 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:56:11,210 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:56:11,211 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:56:11,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:56:11,212 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:56:11,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:56:11,213 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:56:11,213 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:56:11,214 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:56:11,215 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:56:11,216 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:56:11,217 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:56:11,218 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:56:11,218 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:56:11,219 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:56:11,220 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:56:11,220 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:56:11,221 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:56:11,221 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:56:11,222 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:56:11,222 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:56:11,223 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:56:11,223 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:56:11,224 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:56:11,224 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:56:11,224 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:56:11,224 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:56:11,225 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:56:11,225 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:56:11,226 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8dfa97ca-b509-448a-9688-44fdb23a2438/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:56:11,235 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:56:11,235 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:56:11,236 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:56:11,236 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:56:11,236 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:56:11,237 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:56:11,237 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:56:11,237 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:56:11,237 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:56:11,237 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:56:11,237 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:56:11,237 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:56:11,237 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:56:11,238 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:56:11,238 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:56:11,238 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:56:11,238 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:56:11,238 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:56:11,238 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:56:11,238 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:56:11,239 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:56:11,239 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:56:11,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:56:11,239 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:56:11,239 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:56:11,239 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:56:11,239 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:56:11,240 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:56:11,240 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:56:11,240 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_8dfa97ca-b509-448a-9688-44fdb23a2438/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 -> 9aed91daf686837f7bc54e69e27260eed52fbd4d [2018-11-18 16:56:11,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:56:11,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:56:11,274 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:56:11,276 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:56:11,276 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:56:11,276 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8dfa97ca-b509-448a-9688-44fdb23a2438/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem11_label07_true-unreach-call.c [2018-11-18 16:56:11,313 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8dfa97ca-b509-448a-9688-44fdb23a2438/bin-2019/ukojak/data/1b934fd1e/fef524fc7dcf43ffb75476b9d115e5e8/FLAG3cc24d907 [2018-11-18 16:56:11,774 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:56:11,775 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8dfa97ca-b509-448a-9688-44fdb23a2438/sv-benchmarks/c/eca-rers2012/Problem11_label07_true-unreach-call.c [2018-11-18 16:56:11,786 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8dfa97ca-b509-448a-9688-44fdb23a2438/bin-2019/ukojak/data/1b934fd1e/fef524fc7dcf43ffb75476b9d115e5e8/FLAG3cc24d907 [2018-11-18 16:56:12,293 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8dfa97ca-b509-448a-9688-44fdb23a2438/bin-2019/ukojak/data/1b934fd1e/fef524fc7dcf43ffb75476b9d115e5e8 [2018-11-18 16:56:12,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:56:12,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:56:12,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:56:12,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:56:12,299 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:56:12,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:56:12" (1/1) ... [2018-11-18 16:56:12,301 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 04:56:12, skipping insertion in model container [2018-11-18 16:56:12,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:56:12" (1/1) ... [2018-11-18 16:56:12,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:56:12,353 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:56:12,654 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:56:12,657 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:56:12,778 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:56:12,790 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:56:12,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:12 WrapperNode [2018-11-18 16:56:12,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:56:12,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:56:12,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:56:12,791 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:56:12,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:12" (1/1) ... [2018-11-18 16:56:12,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:12" (1/1) ... [2018-11-18 16:56:12,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:56:12,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:56:12,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:56:12,964 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:56:12,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:12" (1/1) ... [2018-11-18 16:56:12,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:12" (1/1) ... [2018-11-18 16:56:12,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:12" (1/1) ... [2018-11-18 16:56:12,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:12" (1/1) ... [2018-11-18 16:56:13,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:12" (1/1) ... [2018-11-18 16:56:13,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:12" (1/1) ... [2018-11-18 16:56:13,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:12" (1/1) ... [2018-11-18 16:56:13,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:56:13,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:56:13,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:56:13,031 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:56:13,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8dfa97ca-b509-448a-9688-44fdb23a2438/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 16:56:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:56:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:56:13,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:01:26,663 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:01:26,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:01:26 BoogieIcfgContainer [2018-11-18 17:01:26,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:01:26,664 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:01:26,664 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:01:26,671 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:01:26,671 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:01:26" (1/1) ... [2018-11-18 17:01:26,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:01:26,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:01:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 17:01:26,701 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 17:01:26,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 17:01:26,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:01:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:01:26,845 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 17:01:26,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:01:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 17:01:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 17:01:26,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 17:01:26,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:01:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:01:27,347 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 17:01:27,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:01:27,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-18 17:01:27,851 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-18 17:01:27,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:01:27,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:01:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:01:28,458 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 46 [2018-11-18 17:01:28,657 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 52 [2018-11-18 17:01:28,742 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 17:01:29,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:01:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2018-11-18 17:01:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2018-11-18 17:01:29,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:01:29,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:01:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:01:30,316 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 17:01:30,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:01:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2018-11-18 17:01:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2018-11-18 17:01:30,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:01:30,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:01:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:01:34,624 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:02:47,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:02:47,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 56 states and 121 transitions. [2018-11-18 17:02:47,463 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 121 transitions. [2018-11-18 17:02:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:02:47,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:02:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:02:50,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:02:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 60 states and 130 transitions. [2018-11-18 17:02:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 130 transitions. [2018-11-18 17:02:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:02:50,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:02:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:52,092 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:02:52,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:02:52,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 64 states and 141 transitions. [2018-11-18 17:02:52,880 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 141 transitions. [2018-11-18 17:02:52,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:02:52,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:02:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:02:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:02:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 65 states and 142 transitions. [2018-11-18 17:02:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 142 transitions. [2018-11-18 17:02:54,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:02:54,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:02:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:56,648 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:02:56,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:02:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 68 states and 149 transitions. [2018-11-18 17:02:56,908 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 149 transitions. [2018-11-18 17:02:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:02:56,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:02:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:59,058 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 17:03:00,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:03:00,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 76 states and 166 transitions. [2018-11-18 17:03:00,162 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 166 transitions. [2018-11-18 17:03:00,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:03:00,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:03:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:03:02,059 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 17:03:02,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:03:02,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 77 states and 166 transitions. [2018-11-18 17:03:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 166 transitions. [2018-11-18 17:03:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:03:02,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:03:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:03:04,224 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 17:03:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:03:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 78 states and 166 transitions. [2018-11-18 17:03:04,406 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 166 transitions. [2018-11-18 17:03:04,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:03:04,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:03:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:03:06,281 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 17:03:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:03:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 59 states and 132 transitions. [2018-11-18 17:03:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 132 transitions. [2018-11-18 17:03:06,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:03:06,518 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2018-11-18 17:03:06,526 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:03:06,639 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 29 [2018-11-18 17:03:06,759 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 29 [2018-11-18 17:03:06,872 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 29 [2018-11-18 17:03:06,980 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 29 [2018-11-18 17:03:07,095 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 29 [2018-11-18 17:03:07,096 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:03:07,098 INFO L579 CodeCheckObserver]: Invariant with dag size 29 [2018-11-18 17:03:07,104 INFO L579 CodeCheckObserver]: Invariant with dag size 29 [2018-11-18 17:03:07,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:03:07 ImpRootNode [2018-11-18 17:03:07,106 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:03:07,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:03:07,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:03:07,106 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:03:07,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:01:26" (3/4) ... [2018-11-18 17:03:07,109 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:03:07,125 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 251 nodes and edges [2018-11-18 17:03:07,127 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-18 17:03:07,128 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 17:03:07,130 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:03:07,275 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8dfa97ca-b509-448a-9688-44fdb23a2438/bin-2019/ukojak/witness.graphml [2018-11-18 17:03:07,275 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:03:07,276 INFO L168 Benchmark]: Toolchain (without parser) took 414980.30 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-18 17:03:07,277 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:03:07,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.38 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 892.0 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:03:07,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 892.0 MB in the beginning and 1.2 GB in the end (delta: -279.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:03:07,278 INFO L168 Benchmark]: Boogie Preprocessor took 67.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:03:07,278 INFO L168 Benchmark]: RCFGBuilder took 313632.23 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 264.2 MB). Free memory was 1.2 GB in the beginning and 955.6 MB in the end (delta: 206.5 MB). Peak memory consumption was 652.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:03:07,279 INFO L168 Benchmark]: CodeCheck took 100442.02 ms. Allocated memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: 1.4 GB). Free memory was 955.6 MB in the beginning and 1.2 GB in the end (delta: -223.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 17:03:07,279 INFO L168 Benchmark]: Witness Printer took 169.70 ms. Allocated memory is still 2.9 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:03:07,281 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, 284 locations, 1 error locations. SAFE Result, 99.8s OverallTime, 14 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 60292 SDtfs, 150044 SDslu, 142864 SDs, 0 SdLazy, 371404 SolverSat, 37624 SolverUnsat, 3584 SolverUnknown, 0 SolverNotchecked, 648.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2810 GetRequests, 2481 SyntacticMatches, 175 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13736 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 108290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 120/349 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: 75]: 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: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((a8 == 15 && (246 <= a29 || a29 <= 140)) && a3 == 1) || ((a8 == 15 && a3 == 1) && !(a25 == 12))) || ((a8 == 15 && (0 <= a23 + 42 || !(a4 == 1))) && a3 == 1) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((0 <= a23 + 42 || !(a4 == 1)) && a8 == 15) && a3 == 1) || ((a8 == 15 && (245 < a29 || a29 <= 140)) && a3 == 1)) || ((a8 == 15 && !(a25 == 12)) && a3 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 493.38 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 892.0 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 172.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 892.0 MB in the beginning and 1.2 GB in the end (delta: -279.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 313632.23 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 264.2 MB). Free memory was 1.2 GB in the beginning and 955.6 MB in the end (delta: 206.5 MB). Peak memory consumption was 652.5 MB. Max. memory is 11.5 GB. * CodeCheck took 100442.02 ms. Allocated memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: 1.4 GB). Free memory was 955.6 MB in the beginning and 1.2 GB in the end (delta: -223.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 169.70 ms. Allocated memory is still 2.9 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...