./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/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 305e9c546a6cc2591d6267bc612ab5ec3e8adaa4 .......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:12:04,728 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:12:04,729 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:12:04,735 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:12:04,736 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:12:04,736 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:12:04,737 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:12:04,738 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:12:04,738 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:12:04,739 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:12:04,739 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:12:04,739 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:12:04,740 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:12:04,740 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:12:04,741 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:12:04,741 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:12:04,742 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:12:04,743 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:12:04,744 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:12:04,744 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:12:04,745 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:12:04,746 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:12:04,747 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:12:04,747 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:12:04,747 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:12:04,747 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:12:04,748 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:12:04,748 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:12:04,749 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:12:04,749 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:12:04,750 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:12:04,750 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:12:04,750 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:12:04,750 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:12:04,751 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:12:04,751 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:12:04,751 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 22:12:04,758 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:12:04,758 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:12:04,759 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:12:04,759 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 22:12:04,759 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:12:04,759 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:12:04,759 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:12:04,760 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:12:04,760 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:12:04,760 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:12:04,760 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:12:04,760 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:12:04,760 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:12:04,760 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:12:04,760 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:12:04,761 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:12:04,761 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:12:04,761 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:12:04,761 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 22:12:04,761 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 22:12:04,761 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:12:04,761 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:12:04,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 22:12:04,762 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:12:04,762 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:12:04,762 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:12:04,762 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 22:12:04,762 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:12:04,762 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:12:04,762 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_cf5213f6-4cae-41ab-91ff-56b65894dac4/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 -> 305e9c546a6cc2591d6267bc612ab5ec3e8adaa4 [2018-12-08 22:12:04,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:12:04,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:12:04,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:12:04,789 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:12:04,789 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:12:04,790 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/sendmail-close-angle_true-unreach-call_true-termination.i [2018-12-08 22:12:04,826 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/bin-2019/ukojak/data/4827400fa/a2e8bea7fdcc49229af574d1310cea55/FLAG238606ec1 [2018-12-08 22:12:05,155 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:12:05,155 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/sv-benchmarks/c/loop-invgen/sendmail-close-angle_true-unreach-call_true-termination.i [2018-12-08 22:12:05,159 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/bin-2019/ukojak/data/4827400fa/a2e8bea7fdcc49229af574d1310cea55/FLAG238606ec1 [2018-12-08 22:12:05,568 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/bin-2019/ukojak/data/4827400fa/a2e8bea7fdcc49229af574d1310cea55 [2018-12-08 22:12:05,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:12:05,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:12:05,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:12:05,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:12:05,574 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:12:05,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:12:05" (1/1) ... [2018-12-08 22:12:05,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432dabb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:05, skipping insertion in model container [2018-12-08 22:12:05,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:12:05" (1/1) ... [2018-12-08 22:12:05,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:12:05,590 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:12:05,674 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:12:05,676 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:12:05,686 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:12:05,694 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:12:05,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:05 WrapperNode [2018-12-08 22:12:05,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:12:05,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:12:05,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:12:05,695 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:12:05,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:05" (1/1) ... [2018-12-08 22:12:05,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:05" (1/1) ... [2018-12-08 22:12:05,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:12:05,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:12:05,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:12:05,714 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:12:05,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:05" (1/1) ... [2018-12-08 22:12:05,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:05" (1/1) ... [2018-12-08 22:12:05,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:05" (1/1) ... [2018-12-08 22:12:05,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:05" (1/1) ... [2018-12-08 22:12:05,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:05" (1/1) ... [2018-12-08 22:12:05,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:05" (1/1) ... [2018-12-08 22:12:05,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:05" (1/1) ... [2018-12-08 22:12:05,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:12:05,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:12:05,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:12:05,725 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:12:05,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/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 [2018-12-08 22:12:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:12:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:12:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 22:12:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 22:12:05,898 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:12:05,898 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-08 22:12:05,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:12:05 BoogieIcfgContainer [2018-12-08 22:12:05,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:12:05,899 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 22:12:05,899 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 22:12:05,905 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 22:12:05,905 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:12:05" (1/1) ... [2018-12-08 22:12:05,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:12:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:05,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2018-12-08 22:12:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2018-12-08 22:12:05,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:12:05,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:06,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:12:06,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:06,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2018-12-08 22:12:06,006 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2018-12-08 22:12:06,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 22:12:06,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:06,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:12:06,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2018-12-08 22:12:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2018-12-08 22:12:06,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 22:12:06,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:06,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:12:06,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2018-12-08 22:12:06,126 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2018-12-08 22:12:06,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 22:12:06,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:06,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:12:06,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:06,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2018-12-08 22:12:06,154 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2018-12-08 22:12:06,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:12:06,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:12:06,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:06,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-12-08 22:12:06,467 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-12-08 22:12:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 22:12:06,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:12:06,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:06,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-12-08 22:12:06,497 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-12-08 22:12:06,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 22:12:06,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:12:06,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:06,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2018-12-08 22:12:06,533 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2018-12-08 22:12:06,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:12:06,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:06,566 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:12:06,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 70 transitions. [2018-12-08 22:12:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2018-12-08 22:12:06,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 22:12:06,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:06,695 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:12:06,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:06,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 84 transitions. [2018-12-08 22:12:06,917 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-12-08 22:12:06,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 22:12:06,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:06,960 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 22:12:07,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:07,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 88 transitions. [2018-12-08 22:12:07,068 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2018-12-08 22:12:07,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 22:12:07,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:07,171 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 22:12:07,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:07,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 108 transitions. [2018-12-08 22:12:07,587 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2018-12-08 22:12:07,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 22:12:07,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:07,602 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 22:12:07,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:07,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 63 states and 118 transitions. [2018-12-08 22:12:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 118 transitions. [2018-12-08 22:12:07,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 22:12:07,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 22:12:08,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 70 states and 132 transitions. [2018-12-08 22:12:08,341 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2018-12-08 22:12:08,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 22:12:08,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:08,355 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 22:12:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 71 states and 133 transitions. [2018-12-08 22:12:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 133 transitions. [2018-12-08 22:12:08,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 22:12:08,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:08,385 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 22:12:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 73 states and 135 transitions. [2018-12-08 22:12:08,417 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 135 transitions. [2018-12-08 22:12:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 22:12:08,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:08,431 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 22:12:08,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:08,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 71 states and 129 transitions. [2018-12-08 22:12:08,505 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 129 transitions. [2018-12-08 22:12:08,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 22:12:08,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 22:12:08,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:08,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 128 transitions. [2018-12-08 22:12:08,652 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2018-12-08 22:12:08,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 22:12:08,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 22:12:08,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 76 states and 138 transitions. [2018-12-08 22:12:08,896 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 138 transitions. [2018-12-08 22:12:08,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 22:12:08,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 24 proven. 22 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 22:12:09,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:09,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 84 states and 154 transitions. [2018-12-08 22:12:09,744 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 154 transitions. [2018-12-08 22:12:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 22:12:09,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:09,810 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 22:12:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:10,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 92 states and 168 transitions. [2018-12-08 22:12:10,390 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 168 transitions. [2018-12-08 22:12:10,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 22:12:10,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 31 proven. 33 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-08 22:12:10,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:10,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 95 states and 179 transitions. [2018-12-08 22:12:10,824 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 179 transitions. [2018-12-08 22:12:10,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 22:12:10,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 17 proven. 37 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-12-08 22:12:11,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:11,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 101 states and 189 transitions. [2018-12-08 22:12:11,694 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 189 transitions. [2018-12-08 22:12:11,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 22:12:11,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 44 proven. 43 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 22:12:11,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:11,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 101 states and 187 transitions. [2018-12-08 22:12:11,870 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 187 transitions. [2018-12-08 22:12:11,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-08 22:12:11,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:12,065 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 44 proven. 44 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-08 22:12:14,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:14,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 50 states and 77 transitions. [2018-12-08 22:12:14,060 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2018-12-08 22:12:14,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 22:12:14,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:14,290 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 44 proven. 46 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-08 22:12:15,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:15,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 58 states and 92 transitions. [2018-12-08 22:12:15,453 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2018-12-08 22:12:15,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 22:12:15,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:12:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:12:15,577 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 64 proven. 65 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-08 22:12:15,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:12:15,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 30 states and 46 transitions. [2018-12-08 22:12:15,980 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-12-08 22:12:15,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:12:15,980 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2018-12-08 22:12:15,986 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 22:12:16,149 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:12:16,151 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:12:16,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 10:12:16 ImpRootNode [2018-12-08 22:12:16,151 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 22:12:16,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:12:16,152 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:12:16,152 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:12:16,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:12:05" (3/4) ... [2018-12-08 22:12:16,154 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:12:16,158 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-08 22:12:16,161 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-08 22:12:16,161 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 22:12:16,161 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 22:12:16,194 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cf5213f6-4cae-41ab-91ff-56b65894dac4/bin-2019/ukojak/witness.graphml [2018-12-08 22:12:16,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:12:16,195 INFO L168 Benchmark]: Toolchain (without parser) took 10623.90 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 399.0 MB). Free memory was 954.9 MB in the beginning and 1.2 GB in the end (delta: -264.5 MB). Peak memory consumption was 134.5 MB. Max. memory is 11.5 GB. [2018-12-08 22:12:16,197 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:12:16,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.34 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:12:16,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.42 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:12:16,197 INFO L168 Benchmark]: Boogie Preprocessor took 11.18 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 938.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:12:16,198 INFO L168 Benchmark]: RCFGBuilder took 173.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-08 22:12:16,198 INFO L168 Benchmark]: CodeCheck took 10252.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 264.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -118.6 MB). Peak memory consumption was 145.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:12:16,198 INFO L168 Benchmark]: Witness Printer took 43.36 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:12:16,200 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, 30 locations, 1 error locations. SAFE Result, 10.0s OverallTime, 27 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1191182336 SDtfs, 276804500 SDslu, 309650396 SDs, 0 SdLazy, 1301391796 SolverSat, 332704748 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9399 GetRequests, 8931 SyntacticMatches, 206 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34207 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1014 NumberOfCodeBlocks, 1014 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 988 ConstructedInterpolants, 0 QuantifiedInterpolants, 166797 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 4 PerfectInterpolantSequences, 1770/2244 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: 23]: 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 122.34 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 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 18.42 ms. Allocated memory is still 1.0 GB. Free memory is still 944.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.18 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 938.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 173.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * CodeCheck took 10252.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 264.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -118.6 MB). Peak memory consumption was 145.6 MB. Max. memory is 11.5 GB. * Witness Printer took 43.36 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...