./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_62e1c172-9485-408e-97f2-e6d5ea4375db/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_62e1c172-9485-408e-97f2-e6d5ea4375db/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_62e1c172-9485-408e-97f2-e6d5ea4375db/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_62e1c172-9485-408e-97f2-e6d5ea4375db/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_62e1c172-9485-408e-97f2-e6d5ea4375db/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_62e1c172-9485-408e-97f2-e6d5ea4375db/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 [2018-12-02 02:44:08,866 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:44:08,867 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:44:08,873 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:44:08,873 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:44:08,873 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:44:08,874 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:44:08,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:44:08,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:44:08,876 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:44:08,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:44:08,876 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:44:08,877 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:44:08,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:44:08,878 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:44:08,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:44:08,879 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:44:08,879 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:44:08,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:44:08,881 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:44:08,881 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:44:08,882 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:44:08,883 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:44:08,883 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:44:08,883 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:44:08,884 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:44:08,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:44:08,885 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:44:08,885 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:44:08,886 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:44:08,886 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:44:08,886 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:44:08,886 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:44:08,886 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:44:08,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:44:08,887 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:44:08,888 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_62e1c172-9485-408e-97f2-e6d5ea4375db/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 02:44:08,894 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:44:08,895 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:44:08,895 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:44:08,895 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 02:44:08,896 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:44:08,896 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:44:08,896 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:44:08,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:44:08,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:44:08,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:44:08,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:44:08,897 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:44:08,897 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:44:08,897 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:44:08,897 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:44:08,897 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:44:08,897 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:44:08,897 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:44:08,897 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 02:44:08,898 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 02:44:08,898 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:44:08,898 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:44:08,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:44:08,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:44:08,898 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:44:08,898 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:44:08,898 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 02:44:08,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:44:08,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:44:08,899 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_62e1c172-9485-408e-97f2-e6d5ea4375db/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 [2018-12-02 02:44:08,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:44:08,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:44:08,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:44:08,925 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:44:08,925 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:44:08,926 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_62e1c172-9485-408e-97f2-e6d5ea4375db/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/sendmail-close-angle_true-unreach-call_true-termination.i [2018-12-02 02:44:08,963 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62e1c172-9485-408e-97f2-e6d5ea4375db/bin-2019/ukojak/data/7048480c5/b32b84e60edf4d0797a44a43534a465e/FLAGe9a5e81b0 [2018-12-02 02:44:09,280 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:44:09,280 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_62e1c172-9485-408e-97f2-e6d5ea4375db/sv-benchmarks/c/loop-invgen/sendmail-close-angle_true-unreach-call_true-termination.i [2018-12-02 02:44:09,284 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62e1c172-9485-408e-97f2-e6d5ea4375db/bin-2019/ukojak/data/7048480c5/b32b84e60edf4d0797a44a43534a465e/FLAGe9a5e81b0 [2018-12-02 02:44:09,293 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_62e1c172-9485-408e-97f2-e6d5ea4375db/bin-2019/ukojak/data/7048480c5/b32b84e60edf4d0797a44a43534a465e [2018-12-02 02:44:09,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:44:09,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:44:09,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:44:09,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:44:09,298 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:44:09,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:44:09" (1/1) ... [2018-12-02 02:44:09,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672351b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:09, skipping insertion in model container [2018-12-02 02:44:09,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:44:09" (1/1) ... [2018-12-02 02:44:09,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:44:09,313 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:44:09,396 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:44:09,398 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:44:09,408 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:44:09,416 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:44:09,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:09 WrapperNode [2018-12-02 02:44:09,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:44:09,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:44:09,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:44:09,417 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:44:09,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:09" (1/1) ... [2018-12-02 02:44:09,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:09" (1/1) ... [2018-12-02 02:44:09,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:44:09,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:44:09,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:44:09,435 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:44:09,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:09" (1/1) ... [2018-12-02 02:44:09,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:09" (1/1) ... [2018-12-02 02:44:09,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:09" (1/1) ... [2018-12-02 02:44:09,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:09" (1/1) ... [2018-12-02 02:44:09,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:09" (1/1) ... [2018-12-02 02:44:09,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:09" (1/1) ... [2018-12-02 02:44:09,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:09" (1/1) ... [2018-12-02 02:44:09,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:44:09,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:44:09,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:44:09,446 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:44:09,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_62e1c172-9485-408e-97f2-e6d5ea4375db/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 [2018-12-02 02:44:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:44:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:44:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-02 02:44:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-02 02:44:09,633 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:44:09,634 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-02 02:44:09,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:44:09 BoogieIcfgContainer [2018-12-02 02:44:09,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:44:09,634 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 02:44:09,634 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 02:44:09,641 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 02:44:09,641 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:44:09" (1/1) ... [2018-12-02 02:44:09,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:44:09,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2018-12-02 02:44:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2018-12-02 02:44:09,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 02:44:09,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:44:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2018-12-02 02:44:09,742 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2018-12-02 02:44:09,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 02:44:09,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:44:09,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:09,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2018-12-02 02:44:09,834 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2018-12-02 02:44:09,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 02:44:09,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:44:09,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:09,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2018-12-02 02:44:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2018-12-02 02:44:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 02:44:09,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:44:09,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2018-12-02 02:44:09,880 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2018-12-02 02:44:09,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 02:44:09,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:09,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:44:10,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:10,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-12-02 02:44:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-12-02 02:44:10,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 02:44:10,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:10,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:44:10,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:10,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-12-02 02:44:10,214 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-12-02 02:44:10,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 02:44:10,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:44:10,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:10,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2018-12-02 02:44:10,247 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2018-12-02 02:44:10,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 02:44:10,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:44:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:10,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 70 transitions. [2018-12-02 02:44:10,341 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2018-12-02 02:44:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 02:44:10,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:44:10,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:10,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 84 transitions. [2018-12-02 02:44:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-12-02 02:44:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 02:44:10,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:10,662 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:44:10,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:10,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 88 transitions. [2018-12-02 02:44:10,782 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2018-12-02 02:44:10,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 02:44:10,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:44:11,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:11,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 108 transitions. [2018-12-02 02:44:11,277 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2018-12-02 02:44:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 02:44:11,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:11,289 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:44:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:11,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 63 states and 118 transitions. [2018-12-02 02:44:11,577 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 118 transitions. [2018-12-02 02:44:11,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 02:44:11,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:11,591 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 02:44:12,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:12,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 70 states and 132 transitions. [2018-12-02 02:44:12,003 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2018-12-02 02:44:12,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 02:44:12,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:12,016 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 02:44:12,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 71 states and 133 transitions. [2018-12-02 02:44:12,038 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 133 transitions. [2018-12-02 02:44:12,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 02:44:12,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:12,051 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 02:44:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 73 states and 135 transitions. [2018-12-02 02:44:12,080 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 135 transitions. [2018-12-02 02:44:12,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 02:44:12,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 02:44:12,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:12,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 71 states and 129 transitions. [2018-12-02 02:44:12,151 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 129 transitions. [2018-12-02 02:44:12,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 02:44:12,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 02:44:12,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 76 states and 138 transitions. [2018-12-02 02:44:12,493 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 138 transitions. [2018-12-02 02:44:12,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 02:44:12,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:12,677 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 24 proven. 22 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-02 02:44:13,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 84 states and 154 transitions. [2018-12-02 02:44:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 154 transitions. [2018-12-02 02:44:13,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 02:44:13,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:13,414 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 02:44:13,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 92 states and 168 transitions. [2018-12-02 02:44:13,968 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 168 transitions. [2018-12-02 02:44:13,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 02:44:13,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:13,982 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 31 proven. 33 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 02:44:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:14,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 95 states and 179 transitions. [2018-12-02 02:44:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 179 transitions. [2018-12-02 02:44:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 02:44:14,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 17 proven. 37 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-12-02 02:44:15,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:15,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 101 states and 189 transitions. [2018-12-02 02:44:15,283 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 189 transitions. [2018-12-02 02:44:15,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 02:44:15,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 44 proven. 43 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-02 02:44:15,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:15,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 101 states and 187 transitions. [2018-12-02 02:44:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 187 transitions. [2018-12-02 02:44:15,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-02 02:44:15,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 44 proven. 44 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 02:44:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:16,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 109 states and 204 transitions. [2018-12-02 02:44:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 204 transitions. [2018-12-02 02:44:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-02 02:44:16,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 44 proven. 44 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 02:44:17,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 50 states and 77 transitions. [2018-12-02 02:44:17,507 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2018-12-02 02:44:17,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 02:44:17,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 44 proven. 46 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-02 02:44:19,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 58 states and 92 transitions. [2018-12-02 02:44:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2018-12-02 02:44:19,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 02:44:19,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:19,794 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 64 proven. 65 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-02 02:44:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 30 states and 46 transitions. [2018-12-02 02:44:20,289 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-12-02 02:44:20,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:44:20,289 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2018-12-02 02:44:20,295 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 02:44:20,459 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:44:20,461 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:44:20,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:44:20 ImpRootNode [2018-12-02 02:44:20,461 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 02:44:20,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:44:20,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:44:20,462 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:44:20,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:44:09" (3/4) ... [2018-12-02 02:44:20,464 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:44:20,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-02 02:44:20,470 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 02:44:20,470 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 02:44:20,470 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 02:44:20,496 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_62e1c172-9485-408e-97f2-e6d5ea4375db/bin-2019/ukojak/witness.graphml [2018-12-02 02:44:20,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:44:20,497 INFO L168 Benchmark]: Toolchain (without parser) took 11202.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 256.4 MB). Free memory was 954.9 MB in the beginning and 980.4 MB in the end (delta: -25.5 MB). Peak memory consumption was 230.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:44:20,498 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-02 02:44:20,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 120.79 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:44:20,498 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.18 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:44:20,499 INFO L168 Benchmark]: Boogie Preprocessor took 10.84 ms. Allocated memory is still 1.0 GB. Free memory was 944.2 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. [2018-12-02 02:44:20,499 INFO L168 Benchmark]: RCFGBuilder took 187.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-02 02:44:20,499 INFO L168 Benchmark]: CodeCheck took 10827.12 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 139.5 MB). Free memory was 1.1 GB in the beginning and 988.9 MB in the end (delta: 106.1 MB). Peak memory consumption was 245.6 MB. Max. memory is 11.5 GB. [2018-12-02 02:44:20,499 INFO L168 Benchmark]: Witness Printer took 35.20 ms. Allocated memory is still 1.3 GB. Free memory was 988.9 MB in the beginning and 980.4 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-12-02 02:44:20,500 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, 10.6s OverallTime, 27 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1191182336 SDtfs, 276809444 SDslu, 309659436 SDs, 0 SdLazy, 1301428572 SolverSat, 332717860 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9595 GetRequests, 9118 SyntacticMatches, 215 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34481 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1042 NumberOfCodeBlocks, 1042 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1016 ConstructedInterpolants, 0 QuantifiedInterpolants, 190077 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 4 PerfectInterpolantSequences, 1928/2419 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 0.10 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 120.79 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.2 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 18.18 ms. Allocated memory is still 1.0 GB. Free memory is still 944.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.84 ms. Allocated memory is still 1.0 GB. Free memory was 944.2 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 187.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * CodeCheck took 10827.12 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 139.5 MB). Free memory was 1.1 GB in the beginning and 988.9 MB in the end (delta: 106.1 MB). Peak memory consumption was 245.6 MB. Max. memory is 11.5 GB. * Witness Printer took 35.20 ms. Allocated memory is still 1.3 GB. Free memory was 988.9 MB in the beginning and 980.4 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...