./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i --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_528d936c-9adf-4f3e-b57a-cd999e113e5f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_528d936c-9adf-4f3e-b57a-cd999e113e5f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_528d936c-9adf-4f3e-b57a-cd999e113e5f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_528d936c-9adf-4f3e-b57a-cd999e113e5f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_528d936c-9adf-4f3e-b57a-cd999e113e5f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_528d936c-9adf-4f3e-b57a-cd999e113e5f/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 77e92a11a4549a6f714898b45c2d349723607a29 ................................................................................................................................................................................................................................................... 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 03:48:38,720 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:48:38,721 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:48:38,728 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:48:38,728 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:48:38,729 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:48:38,729 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:48:38,730 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:48:38,731 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:48:38,732 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:48:38,733 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:48:38,733 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:48:38,734 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:48:38,735 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:48:38,735 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:48:38,736 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:48:38,736 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:48:38,738 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:48:38,740 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:48:38,741 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:48:38,742 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:48:38,742 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:48:38,744 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:48:38,744 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:48:38,744 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:48:38,745 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:48:38,746 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:48:38,746 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:48:38,747 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:48:38,747 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:48:38,747 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:48:38,748 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:48:38,748 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:48:38,748 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:48:38,749 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:48:38,750 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:48:38,750 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_528d936c-9adf-4f3e-b57a-cd999e113e5f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 03:48:38,759 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:48:38,759 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:48:38,760 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:48:38,760 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:48:38,760 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:48:38,760 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:48:38,760 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:48:38,761 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:48:38,761 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:48:38,761 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:48:38,761 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:48:38,761 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:48:38,762 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:48:38,762 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:48:38,762 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:48:38,762 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:48:38,762 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:48:38,762 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 03:48:38,762 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 03:48:38,763 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:48:38,763 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:48:38,763 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:48:38,763 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:48:38,763 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:48:38,763 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:48:38,763 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 03:48:38,763 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:48:38,763 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:48:38,763 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_528d936c-9adf-4f3e-b57a-cd999e113e5f/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 -> 77e92a11a4549a6f714898b45c2d349723607a29 [2018-11-10 03:48:38,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:48:38,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:48:38,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:48:38,795 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:48:38,796 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:48:38,796 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_528d936c-9adf-4f3e-b57a-cd999e113e5f/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-11-10 03:48:38,830 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_528d936c-9adf-4f3e-b57a-cd999e113e5f/bin-2019/ukojak/data/01cc85242/693b9661954846378abcee5eb9709a17/FLAG0706411c7 [2018-11-10 03:48:39,226 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:48:39,226 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_528d936c-9adf-4f3e-b57a-cd999e113e5f/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-11-10 03:48:39,231 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_528d936c-9adf-4f3e-b57a-cd999e113e5f/bin-2019/ukojak/data/01cc85242/693b9661954846378abcee5eb9709a17/FLAG0706411c7 [2018-11-10 03:48:39,239 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_528d936c-9adf-4f3e-b57a-cd999e113e5f/bin-2019/ukojak/data/01cc85242/693b9661954846378abcee5eb9709a17 [2018-11-10 03:48:39,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:48:39,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:48:39,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:48:39,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:48:39,245 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:48:39,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:48:39" (1/1) ... [2018-11-10 03:48:39,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133164ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:48:39, skipping insertion in model container [2018-11-10 03:48:39,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:48:39" (1/1) ... [2018-11-10 03:48:39,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:48:39,268 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:48:39,358 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:48:39,360 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:48:39,371 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:48:39,379 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:48:39,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:48:39 WrapperNode [2018-11-10 03:48:39,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:48:39,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:48:39,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:48:39,380 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:48:39,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:48:39" (1/1) ... [2018-11-10 03:48:39,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:48:39" (1/1) ... [2018-11-10 03:48:39,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:48:39,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:48:39,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:48:39,400 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:48:39,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:48:39" (1/1) ... [2018-11-10 03:48:39,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:48:39" (1/1) ... [2018-11-10 03:48:39,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:48:39" (1/1) ... [2018-11-10 03:48:39,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:48:39" (1/1) ... [2018-11-10 03:48:39,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:48:39" (1/1) ... [2018-11-10 03:48:39,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:48:39" (1/1) ... [2018-11-10 03:48:39,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:48:39" (1/1) ... [2018-11-10 03:48:39,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:48:39,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:48:39,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:48:39,413 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:48:39,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:48:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_528d936c-9adf-4f3e-b57a-cd999e113e5f/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 03:48:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:48:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:48:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 03:48:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 03:48:39,611 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:48:39,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:48:39 BoogieIcfgContainer [2018-11-10 03:48:39,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:48:39,612 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 03:48:39,612 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 03:48:39,619 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 03:48:39,620 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:48:39" (1/1) ... [2018-11-10 03:48:39,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:48:39,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:48:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-11-10 03:48:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-11-10 03:48:39,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 03:48:39,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:48:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:48:39,775 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 03:48:39,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:48:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-11-10 03:48:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-11-10 03:48:39,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 03:48:39,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:48:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:48:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:48:40,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:48:40,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2018-11-10 03:48:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2018-11-10 03:48:40,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 03:48:40,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:48:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:48:40,476 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 03:48:40,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:48:40,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 53 transitions. [2018-11-10 03:48:40,598 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2018-11-10 03:48:40,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 03:48:40,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:48:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:48:40,675 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 03:48:41,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:48:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 74 transitions. [2018-11-10 03:48:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2018-11-10 03:48:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 03:48:41,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:48:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:48:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 03:48:41,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:48:41,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 37 states and 59 transitions. [2018-11-10 03:48:41,560 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2018-11-10 03:48:41,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 03:48:41,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:48:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:48:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 03:48:41,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:48:41,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 24 states and 38 transitions. [2018-11-10 03:48:41,810 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2018-11-10 03:48:41,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:48:41,810 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-10 03:48:41,816 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 03:48:41,857 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:48:41,858 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:48:41,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 03:48:41 ImpRootNode [2018-11-10 03:48:41,859 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 03:48:41,859 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:48:41,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:48:41,859 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:48:41,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:48:39" (3/4) ... [2018-11-10 03:48:41,862 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:48:41,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 03:48:41,869 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 03:48:41,870 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 03:48:41,870 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 03:48:41,905 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_528d936c-9adf-4f3e-b57a-cd999e113e5f/bin-2019/ukojak/witness.graphml [2018-11-10 03:48:41,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:48:41,905 INFO L168 Benchmark]: Toolchain (without parser) took 2664.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 959.1 MB in the beginning and 1.0 GB in the end (delta: -66.1 MB). Peak memory consumption was 138.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:48:41,907 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:48:41,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.31 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:48:41,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.34 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:48:41,908 INFO L168 Benchmark]: Boogie Preprocessor took 13.08 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:48:41,909 INFO L168 Benchmark]: RCFGBuilder took 198.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:48:41,910 INFO L168 Benchmark]: CodeCheck took 2247.04 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.5 MB). Peak memory consumption was 157.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:48:41,910 INFO L168 Benchmark]: Witness Printer took 45.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:48:41,911 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 2 procedures, 25 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1152 SDtfs, 644 SDslu, 576 SDs, 0 SdLazy, 3260 SolverSat, 992 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1443 GetRequests, 1338 SyntacticMatches, 21 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2130 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 18403 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 99/141 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: 5]: 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: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.31 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.34 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.08 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 198.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 2247.04 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.5 MB). Peak memory consumption was 157.2 MB. Max. memory is 11.5 GB. * Witness Printer took 45.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...