./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label19_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_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/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 4c182367b65c6b1e0e799235f4eaa75d3c91be5a .................................................................................................................................................................................................................................................................................... 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 12:14:32,044 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:14:32,045 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:14:32,051 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:14:32,052 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:14:32,052 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:14:32,053 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:14:32,054 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:14:32,055 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:14:32,056 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:14:32,057 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:14:32,057 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:14:32,057 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:14:32,058 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:14:32,058 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:14:32,059 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:14:32,059 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:14:32,060 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:14:32,061 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:14:32,063 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:14:32,063 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:14:32,064 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:14:32,066 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:14:32,066 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:14:32,066 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:14:32,067 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:14:32,067 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:14:32,068 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:14:32,068 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:14:32,069 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:14:32,069 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:14:32,069 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:14:32,069 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:14:32,070 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:14:32,070 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:14:32,070 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:14:32,071 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:14:32,078 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:14:32,078 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:14:32,078 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:14:32,079 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:14:32,079 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:14:32,079 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:14:32,079 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:14:32,080 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:14:32,080 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:14:32,080 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:14:32,080 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:14:32,080 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:14:32,080 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:14:32,080 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:14:32,080 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:14:32,081 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:14:32,081 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:14:32,081 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:14:32,081 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:14:32,081 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:14:32,081 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:14:32,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:14:32,082 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:14:32,082 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:14:32,082 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:14:32,082 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:14:32,082 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:14:32,082 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:14:32,082 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_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/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 -> 4c182367b65c6b1e0e799235f4eaa75d3c91be5a [2018-11-10 12:14:32,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:14:32,117 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:14:32,120 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:14:32,121 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:14:32,121 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:14:32,122 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.c [2018-11-10 12:14:32,159 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/bin-2019/ukojak/data/59d0af921/100e266fef344c66bf4ff07d7ef4b2c2/FLAG236457a48 [2018-11-10 12:14:32,637 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:14:32,638 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/sv-benchmarks/c/eca-rers2012/Problem14_label19_true-unreach-call_false-termination.c [2018-11-10 12:14:32,648 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/bin-2019/ukojak/data/59d0af921/100e266fef344c66bf4ff07d7ef4b2c2/FLAG236457a48 [2018-11-10 12:14:32,660 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/bin-2019/ukojak/data/59d0af921/100e266fef344c66bf4ff07d7ef4b2c2 [2018-11-10 12:14:32,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:14:32,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:14:32,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:14:32,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:14:32,668 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:14:32,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:14:32" (1/1) ... [2018-11-10 12:14:32,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac897aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:32, skipping insertion in model container [2018-11-10 12:14:32,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:14:32" (1/1) ... [2018-11-10 12:14:32,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:14:32,715 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:14:32,961 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:14:32,964 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:14:33,050 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:14:33,062 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:14:33,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:33 WrapperNode [2018-11-10 12:14:33,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:14:33,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:14:33,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:14:33,064 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:14:33,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:33" (1/1) ... [2018-11-10 12:14:33,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:33" (1/1) ... [2018-11-10 12:14:33,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:14:33,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:14:33,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:14:33,187 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:14:33,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:33" (1/1) ... [2018-11-10 12:14:33,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:33" (1/1) ... [2018-11-10 12:14:33,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:33" (1/1) ... [2018-11-10 12:14:33,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:33" (1/1) ... [2018-11-10 12:14:33,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:33" (1/1) ... [2018-11-10 12:14:33,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:33" (1/1) ... [2018-11-10 12:14:33,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:33" (1/1) ... [2018-11-10 12:14:33,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:14:33,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:14:33,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:14:33,237 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:14:33,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/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 12:14:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 12:14:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:14:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:20:15,174 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:20:15,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:20:15 BoogieIcfgContainer [2018-11-10 12:20:15,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:20:15,175 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:20:15,175 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:20:15,181 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:20:15,182 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:20:15" (1/1) ... [2018-11-10 12:20:15,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:20:15,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:15,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 12:20:15,213 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 12:20:15,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:20:15,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:15,363 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 12:20:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 12:20:15,442 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 12:20:15,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 12:20:15,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:15,808 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 12:20:26,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:26,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-11-10 12:20:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-11-10 12:20:26,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:20:26,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:27,701 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 12:20:28,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:28,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-11-10 12:20:28,309 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-11-10 12:20:28,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:20:28,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:29,201 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 12:20:29,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2018-11-10 12:20:29,314 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2018-11-10 12:20:29,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:20:29,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:30,047 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 12:20:41,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:41,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2018-11-10 12:20:41,087 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-11-10 12:20:41,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:20:41,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:41,440 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 12:20:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:41,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2018-11-10 12:20:41,756 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2018-11-10 12:20:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:20:41,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:42,252 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 12:20:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2018-11-10 12:20:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2018-11-10 12:20:42,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:20:42,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:43,500 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 12:20:44,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:44,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 55 states and 95 transitions. [2018-11-10 12:20:44,635 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 95 transitions. [2018-11-10 12:20:44,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:20:44,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:45,149 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 12:20:45,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:45,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2018-11-10 12:20:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2018-11-10 12:20:45,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 12:20:45,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 61 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 12:20:58,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:58,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 112 transitions. [2018-11-10 12:20:58,755 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 112 transitions. [2018-11-10 12:20:58,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 12:20:58,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:21:00,718 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 61 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 12:21:00,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:21:00,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 54 states and 96 transitions. [2018-11-10 12:21:00,927 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 96 transitions. [2018-11-10 12:21:00,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:21:00,928 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-11-10 12:21:00,936 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:21:01,048 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 33 [2018-11-10 12:21:01,156 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 44 [2018-11-10 12:21:01,343 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 44 [2018-11-10 12:21:01,450 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 44 [2018-11-10 12:21:01,450 INFO L582 CodeCheckObserver]: Invariant with dag size 44 [2018-11-10 12:21:01,458 INFO L582 CodeCheckObserver]: Invariant with dag size 41 [2018-11-10 12:21:01,459 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:21:01,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:21:01 ImpRootNode [2018-11-10 12:21:01,459 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:21:01,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:21:01,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:21:01,460 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:21:01,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:20:15" (3/4) ... [2018-11-10 12:21:01,465 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:21:01,479 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-10 12:21:01,480 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 12:21:01,481 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 12:21:01,481 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:21:01,575 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_69b8930e-0e4d-47e9-afca-0fda9eddfa4c/bin-2019/ukojak/witness.graphml [2018-11-10 12:21:01,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:21:01,576 INFO L168 Benchmark]: Toolchain (without parser) took 388912.60 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 957.7 MB in the beginning and 1.3 GB in the end (delta: -379.8 MB). Peak memory consumption was 788.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:01,576 INFO L168 Benchmark]: CDTParser took 0.15 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 12:21:01,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.84 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 917.4 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:01,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 917.4 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:01,577 INFO L168 Benchmark]: Boogie Preprocessor took 49.07 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:01,577 INFO L168 Benchmark]: RCFGBuilder took 341938.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 119.0 MB). Free memory was 1.1 GB in the beginning and 979.9 MB in the end (delta: 118.6 MB). Peak memory consumption was 505.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:01,578 INFO L168 Benchmark]: CodeCheck took 46284.48 ms. Allocated memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: 919.1 MB). Free memory was 971.9 MB in the beginning and 1.4 GB in the end (delta: -392.0 MB). Peak memory consumption was 527.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:01,578 INFO L168 Benchmark]: Witness Printer took 115.16 ms. Allocated memory is still 2.2 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:01,580 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, 45.7s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13820 SDtfs, 32246 SDslu, 30704 SDs, 0 SdLazy, 68096 SolverSat, 12302 SolverUnsat, 1156 SolverUnknown, 0 SolverNotchecked, 196.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2062 GetRequests, 1749 SyntacticMatches, 169 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16534 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 215 ConstructedInterpolants, 0 QuantifiedInterpolants, 95710 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 18/343 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: 190]: 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: ((((!(!(a21 == 6) || !(a15 == 6)) && 0 < a12 + 43) || ((((((a15 == 7 || a15 == 8) || a21 == 10) || a15 == 5) || a21 == 8) || a15 == 9) && !(((!(a21 == 6) && 8 == a15) || a15 == 5) && !(a15 == 5)))) || ((!(a21 == 6) || !(a15 == 6)) && !(((((a15 == 7 || a15 == 8) || a21 == 10) || a15 == 5) || a21 == 8) || a15 == 9))) || (((!(a21 == 6) && 8 == a15) || a15 == 5) && (((a24 == 1 || a21 == 10) || a21 == 8) || a21 == 9))) || a21 == 7 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((!(a21 == 6) || 0 < a12 + 43) || !(a15 == 6)) && !((((((a15 == 7 || a15 == 8) || a21 == 10) || a15 == 5) || a21 == 8) || a21 == 7) || a15 == 9)) || ((((((a24 == 1 || a21 == 10) || a15 == 5) || a21 == 8) || a21 == 7) || a21 == 9) && ((!(a21 == 6) && 8 == a15) || a15 == 5))) || (((((((a15 == 7 || a15 == 8) || a21 == 10) || a15 == 5) || a21 == 8) || a21 == 7) || a15 == 9) && !((!(a21 == 6) && 8 == a15) || a15 == 5)) - 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 0.15 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 398.84 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 917.4 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 123.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 917.4 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.07 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 341938.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 119.0 MB). Free memory was 1.1 GB in the beginning and 979.9 MB in the end (delta: 118.6 MB). Peak memory consumption was 505.5 MB. Max. memory is 11.5 GB. * CodeCheck took 46284.48 ms. Allocated memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: 919.1 MB). Free memory was 971.9 MB in the beginning and 1.4 GB in the end (delta: -392.0 MB). Peak memory consumption was 527.0 MB. Max. memory is 11.5 GB. * Witness Printer took 115.16 ms. Allocated memory is still 2.2 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...