./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label01_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_28a35ea4-cf22-4f92-b570-517dad6bf9a3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_28a35ea4-cf22-4f92-b570-517dad6bf9a3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_28a35ea4-cf22-4f92-b570-517dad6bf9a3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_28a35ea4-cf22-4f92-b570-517dad6bf9a3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_28a35ea4-cf22-4f92-b570-517dad6bf9a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_28a35ea4-cf22-4f92-b570-517dad6bf9a3/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 d2e5c405950a1e9288f54e6a20b4d800e6d36c44 ................................................................................................................................................................................................................................................ 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 01:46:34,194 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:46:34,195 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:46:34,201 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:46:34,202 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:46:34,202 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:46:34,203 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:46:34,205 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:46:34,206 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:46:34,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:46:34,207 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:46:34,208 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:46:34,208 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:46:34,209 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:46:34,210 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:46:34,210 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:46:34,211 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:46:34,212 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:46:34,214 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:46:34,215 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:46:34,216 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:46:34,217 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:46:34,218 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:46:34,218 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:46:34,219 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:46:34,219 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:46:34,220 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:46:34,221 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:46:34,221 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:46:34,222 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:46:34,222 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:46:34,223 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:46:34,223 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:46:34,223 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:46:34,224 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:46:34,224 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:46:34,224 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_28a35ea4-cf22-4f92-b570-517dad6bf9a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 01:46:34,234 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:46:34,234 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:46:34,235 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:46:34,235 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 01:46:34,235 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:46:34,235 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:46:34,236 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:46:34,236 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:46:34,236 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 01:46:34,236 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:46:34,236 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:46:34,236 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:46:34,236 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:46:34,237 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:46:34,237 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:46:34,237 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:46:34,237 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:46:34,237 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 01:46:34,237 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 01:46:34,237 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:46:34,238 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:46:34,238 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:46:34,238 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:46:34,238 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:46:34,238 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:46:34,238 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 01:46:34,239 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:46:34,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 01:46:34,239 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_28a35ea4-cf22-4f92-b570-517dad6bf9a3/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 -> d2e5c405950a1e9288f54e6a20b4d800e6d36c44 [2018-11-10 01:46:34,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:46:34,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:46:34,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:46:34,278 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:46:34,278 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:46:34,279 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_28a35ea4-cf22-4f92-b570-517dad6bf9a3/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c [2018-11-10 01:46:34,329 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28a35ea4-cf22-4f92-b570-517dad6bf9a3/bin-2019/ukojak/data/6b08bd4f0/9cbde21204e4497395d737e6c46eea37/FLAG624f45114 [2018-11-10 01:46:34,719 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:46:34,720 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_28a35ea4-cf22-4f92-b570-517dad6bf9a3/sv-benchmarks/c/eca-rers2012/Problem14_label01_true-unreach-call_false-termination.c [2018-11-10 01:46:34,730 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28a35ea4-cf22-4f92-b570-517dad6bf9a3/bin-2019/ukojak/data/6b08bd4f0/9cbde21204e4497395d737e6c46eea37/FLAG624f45114 [2018-11-10 01:46:34,742 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_28a35ea4-cf22-4f92-b570-517dad6bf9a3/bin-2019/ukojak/data/6b08bd4f0/9cbde21204e4497395d737e6c46eea37 [2018-11-10 01:46:34,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:46:34,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:46:34,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:46:34,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:46:34,749 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:46:34,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:46:34" (1/1) ... [2018-11-10 01:46:34,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:34, skipping insertion in model container [2018-11-10 01:46:34,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:46:34" (1/1) ... [2018-11-10 01:46:34,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:46:34,799 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:46:35,042 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:46:35,044 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:46:35,130 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:46:35,140 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:46:35,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:35 WrapperNode [2018-11-10 01:46:35,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:46:35,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:46:35,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:46:35,141 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:46:35,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:35" (1/1) ... [2018-11-10 01:46:35,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:35" (1/1) ... [2018-11-10 01:46:35,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:46:35,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:46:35,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:46:35,283 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:46:35,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:35" (1/1) ... [2018-11-10 01:46:35,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:35" (1/1) ... [2018-11-10 01:46:35,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:35" (1/1) ... [2018-11-10 01:46:35,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:35" (1/1) ... [2018-11-10 01:46:35,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:35" (1/1) ... [2018-11-10 01:46:35,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:35" (1/1) ... [2018-11-10 01:46:35,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:35" (1/1) ... [2018-11-10 01:46:35,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:46:35,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:46:35,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:46:35,342 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:46:35,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28a35ea4-cf22-4f92-b570-517dad6bf9a3/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 01:46:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 01:46:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:46:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:53:39,752 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:53:39,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:53:39 BoogieIcfgContainer [2018-11-10 01:53:39,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:53:39,753 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 01:53:39,753 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 01:53:39,763 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 01:53:39,763 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:53:39" (1/1) ... [2018-11-10 01:53:39,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:53:39,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:53:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 01:53:39,806 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 01:53:39,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 01:53:39,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:53:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:53:39,992 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 01:53:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:53:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 01:53:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 01:53:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 01:53:40,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:53:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:53:40,671 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2018-11-10 01:53:40,728 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 01:53:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:53:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-10 01:53:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-10 01:53:51,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 01:53:51,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:53:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:53:51,504 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 01:54:22,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:54:22,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2018-11-10 01:54:22,166 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2018-11-10 01:54:22,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 01:54:22,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:54:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:54:22,517 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 01:54:22,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:54:22,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2018-11-10 01:54:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2018-11-10 01:54:22,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 01:54:22,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:54:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:54:23,139 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 01:54:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:54:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2018-11-10 01:54:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2018-11-10 01:54:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 01:54:23,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:54:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:54:28,282 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 01:54:28,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:54:28,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2018-11-10 01:54:28,385 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2018-11-10 01:54:28,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 01:54:28,386 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-10 01:54:28,394 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 01:54:28,555 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2018-11-10 01:54:28,714 INFO L582 CodeCheckObserver]: Invariant with dag size 20 [2018-11-10 01:54:28,722 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:54:28,722 INFO L582 CodeCheckObserver]: Invariant with dag size 50 [2018-11-10 01:54:28,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:54:28 ImpRootNode [2018-11-10 01:54:28,725 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 01:54:28,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:54:28,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:54:28,725 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:54:28,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:53:39" (3/4) ... [2018-11-10 01:54:28,732 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 01:54:28,751 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2018-11-10 01:54:28,753 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 01:54:28,754 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 01:54:28,755 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 01:54:28,871 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_28a35ea4-cf22-4f92-b570-517dad6bf9a3/bin-2019/ukojak/witness.graphml [2018-11-10 01:54:28,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:54:28,872 INFO L168 Benchmark]: Toolchain (without parser) took 474127.10 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 562.0 MB). Free memory was 951.2 MB in the beginning and 1.0 GB in the end (delta: -52.2 MB). Peak memory consumption was 509.8 MB. Max. memory is 11.5 GB. [2018-11-10 01:54:28,873 INFO L168 Benchmark]: CDTParser took 0.16 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 01:54:28,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.30 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 913.6 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 01:54:28,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 913.6 MB in the beginning and 1.1 GB in the end (delta: -218.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-10 01:54:28,874 INFO L168 Benchmark]: Boogie Preprocessor took 58.01 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 01:54:28,874 INFO L168 Benchmark]: RCFGBuilder took 424411.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.3 MB). Free memory was 1.1 GB in the beginning and 888.5 MB in the end (delta: 235.8 MB). Peak memory consumption was 391.2 MB. Max. memory is 11.5 GB. [2018-11-10 01:54:28,874 INFO L168 Benchmark]: CodeCheck took 48971.60 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 378.0 MB). Free memory was 888.5 MB in the beginning and 1.0 GB in the end (delta: -141.2 MB). Peak memory consumption was 236.8 MB. Max. memory is 11.5 GB. [2018-11-10 01:54:28,874 INFO L168 Benchmark]: Witness Printer took 146.20 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-11-10 01:54:28,876 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, 48.6s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 432 SDtfs, 1014 SDslu, 960 SDs, 0 SdLazy, 2050 SolverSat, 356 SolverUnsat, 80 SolverUnknown, 0 SolverNotchecked, 171.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 730 GetRequests, 659 SyntacticMatches, 19 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1449 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 15390 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 27/70 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: 166]: 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: 880]: Loop Invariant Derived loop invariant: (!(a15 == 5) || !(a24 == 1)) || !(a21 == 8) || 0 <= a12 + 42 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((!(((a12 + 43 <= 0 && a15 == 8) && a24 == 1) && a21 == 7) && ((((a21 == 6 || a15 == 7) || a21 == 10) || a21 == 7) || a21 == 9)) || (!((((a21 == 6 || a15 == 7) || a21 == 10) || a21 == 7) || a21 == 9) && (((!(a21 == 8) || !(a15 == 5)) || !(a24 == 1)) || 0 <= a12 + 42))) || ((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a21 == 7) * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.30 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 913.6 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 913.6 MB in the beginning and 1.1 GB in the end (delta: -218.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.01 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 424411.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.3 MB). Free memory was 1.1 GB in the beginning and 888.5 MB in the end (delta: 235.8 MB). Peak memory consumption was 391.2 MB. Max. memory is 11.5 GB. * CodeCheck took 48971.60 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 378.0 MB). Free memory was 888.5 MB in the beginning and 1.0 GB in the end (delta: -141.2 MB). Peak memory consumption was 236.8 MB. Max. memory is 11.5 GB. * Witness Printer took 146.20 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...