./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label07_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label07_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9aed91daf686837f7bc54e69e27260eed52fbd4d .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:09:01,751 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:09:01,752 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:09:01,758 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:09:01,759 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:09:01,759 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:09:01,760 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:09:01,761 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:09:01,762 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:09:01,763 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:09:01,764 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:09:01,764 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:09:01,764 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:09:01,765 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:09:01,766 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:09:01,766 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:09:01,767 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:09:01,768 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:09:01,769 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:09:01,770 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:09:01,771 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:09:01,772 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:09:01,773 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:09:01,774 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:09:01,774 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:09:01,774 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:09:01,775 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:09:01,776 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:09:01,776 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:09:01,777 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:09:01,777 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:09:01,777 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:09:01,778 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:09:01,778 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:09:01,778 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:09:01,778 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:09:01,779 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:09:01,786 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:09:01,786 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:09:01,786 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:09:01,787 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:09:01,787 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:09:01,787 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:09:01,787 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:09:01,787 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:09:01,788 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:09:01,788 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:09:01,788 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:09:01,788 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:09:01,788 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:09:01,788 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:09:01,788 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:09:01,789 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:09:01,789 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:09:01,789 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:09:01,789 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:09:01,789 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:09:01,789 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:09:01,789 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:09:01,790 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:09:01,790 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:09:01,790 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:09:01,790 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:09:01,790 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:09:01,790 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:09:01,790 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_821e084c-fef4-481e-9521-304e332e1c16/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aed91daf686837f7bc54e69e27260eed52fbd4d [2018-11-10 12:09:01,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:09:01,820 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:09:01,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:09:01,823 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:09:01,823 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:09:01,823 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem11_label07_true-unreach-call.c [2018-11-10 12:09:01,858 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/bin-2019/ukojak/data/c27736251/ac824c1228364e4eb86418e9d8421048/FLAG0afb486be [2018-11-10 12:09:02,312 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:09:02,312 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/sv-benchmarks/c/eca-rers2012/Problem11_label07_true-unreach-call.c [2018-11-10 12:09:02,323 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/bin-2019/ukojak/data/c27736251/ac824c1228364e4eb86418e9d8421048/FLAG0afb486be [2018-11-10 12:09:02,336 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/bin-2019/ukojak/data/c27736251/ac824c1228364e4eb86418e9d8421048 [2018-11-10 12:09:02,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:09:02,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:09:02,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:09:02,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:09:02,343 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:09:02,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:09:02" (1/1) ... [2018-11-10 12:09:02,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79444f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:02, skipping insertion in model container [2018-11-10 12:09:02,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:09:02" (1/1) ... [2018-11-10 12:09:02,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:09:02,400 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:09:02,676 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:09:02,679 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:09:02,792 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:09:02,805 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:09:02,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:02 WrapperNode [2018-11-10 12:09:02,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:09:02,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:09:02,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:09:02,806 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:09:02,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:02" (1/1) ... [2018-11-10 12:09:02,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:02" (1/1) ... [2018-11-10 12:09:02,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:09:02,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:09:02,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:09:02,951 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:09:02,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:02" (1/1) ... [2018-11-10 12:09:02,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:02" (1/1) ... [2018-11-10 12:09:02,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:02" (1/1) ... [2018-11-10 12:09:02,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:02" (1/1) ... [2018-11-10 12:09:02,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:02" (1/1) ... [2018-11-10 12:09:02,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:02" (1/1) ... [2018-11-10 12:09:03,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:02" (1/1) ... [2018-11-10 12:09:03,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:09:03,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:09:03,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:09:03,019 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:09:03,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:09:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/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 12:09:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 12:09:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:09:03,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:20:18,973 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:20:18,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:20:18 BoogieIcfgContainer [2018-11-10 12:20:18,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:20:18,975 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:20:18,975 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:20:18,982 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:20:18,982 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:20:18" (1/1) ... [2018-11-10 12:20:18,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:20:19,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:19,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 12:20:19,014 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 12:20:19,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:20:19,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:19,163 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 12:20:19,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:19,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 12:20:19,240 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 12:20:19,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 12:20:19,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:19,709 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 12:20:20,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:20,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-10 12:20:20,028 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-10 12:20:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:20:20,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:20,630 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 40 [2018-11-10 12:20:20,869 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2018-11-10 12:20:21,082 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 52 [2018-11-10 12:20:21,154 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 12:20:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:33,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2018-11-10 12:20:33,115 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2018-11-10 12:20:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:20:33,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:33,817 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 12:20:44,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:20:44,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 38 states and 70 transitions. [2018-11-10 12:20:44,320 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 70 transitions. [2018-11-10 12:20:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:20:44,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:20:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:20:47,807 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 12:21:10,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:21:10,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 111 transitions. [2018-11-10 12:21:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 111 transitions. [2018-11-10 12:21:10,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:21:10,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:21:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:21:12,120 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 12:21:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:21:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 127 transitions. [2018-11-10 12:21:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 127 transitions. [2018-11-10 12:21:43,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:21:43,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:21:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:21:44,992 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 12:21:45,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:21:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 49 states and 101 transitions. [2018-11-10 12:21:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 101 transitions. [2018-11-10 12:21:45,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:21:45,394 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-10 12:21:45,402 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:21:45,528 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2018-11-10 12:21:45,639 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2018-11-10 12:21:45,764 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2018-11-10 12:21:45,952 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:21:45,954 INFO L582 CodeCheckObserver]: Invariant with dag size 29 [2018-11-10 12:21:45,960 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-11-10 12:21:45,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:21:45 ImpRootNode [2018-11-10 12:21:45,961 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:21:45,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:21:45,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:21:45,962 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:21:45,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:20:18" (3/4) ... [2018-11-10 12:21:45,966 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:21:45,984 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 252 nodes and edges [2018-11-10 12:21:45,985 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-11-10 12:21:45,986 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 12:21:45,987 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:21:46,102 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_821e084c-fef4-481e-9521-304e332e1c16/bin-2019/ukojak/witness.graphml [2018-11-10 12:21:46,102 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:21:46,103 INFO L168 Benchmark]: Toolchain (without parser) took 763764.09 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 672.1 MB). Free memory was 945.7 MB in the beginning and 1.0 GB in the end (delta: -66.5 MB). Peak memory consumption was 605.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:46,104 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:21:46,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.29 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 894.7 MB in the end (delta: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:46,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 894.7 MB in the beginning and 1.1 GB in the end (delta: -254.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:46,104 INFO L168 Benchmark]: Boogie Preprocessor took 67.39 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:46,105 INFO L168 Benchmark]: RCFGBuilder took 675955.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -17.6 MB). Peak memory consumption was 631.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:46,105 INFO L168 Benchmark]: CodeCheck took 86986.91 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 310.9 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 115.2 MB). Peak memory consumption was 426.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:46,105 INFO L168 Benchmark]: Witness Printer took 140.47 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:21:46,107 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 284 locations, 1 error locations. SAFE Result, 86.3s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 948 SDtfs, 2376 SDslu, 2256 SDs, 0 SdLazy, 5752 SolverSat, 704 SolverUnsat, 76 SolverUnknown, 0 SolverNotchecked, 219.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1203 GetRequests, 1033 SyntacticMatches, 44 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8273 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 55640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/111 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 75]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((!(a25 == 12) && a8 == 15) && a3 == 1) || ((a8 == 15 && (246 <= a29 || !(a4 == 1))) && a3 == 1)) || (((0 <= a23 + 42 || a29 <= 140) && a8 == 15) && a3 == 1) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((((0 < a23 + 43 || !(a25 == 12)) || 245 < a29) || !(a4 == 1)) || a29 <= 140) && a8 == 15) && a3 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 465.29 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 894.7 MB in the end (delta: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 145.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 894.7 MB in the beginning and 1.1 GB in the end (delta: -254.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.39 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 675955.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -17.6 MB). Peak memory consumption was 631.2 MB. Max. memory is 11.5 GB. * CodeCheck took 86986.91 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 310.9 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 115.2 MB). Peak memory consumption was 426.1 MB. Max. memory is 11.5 GB. * Witness Printer took 140.47 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...