./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c685955ff6c809f32f6abe44f773ce6a6ae39f94 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:44:37,709 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:44:37,710 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:44:37,716 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:44:37,716 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:44:37,717 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:44:37,717 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:44:37,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:44:37,719 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:44:37,719 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:44:37,720 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:44:37,720 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:44:37,721 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:44:37,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:44:37,722 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:44:37,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:44:37,723 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:44:37,723 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:44:37,724 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:44:37,725 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:44:37,725 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:44:37,726 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:44:37,727 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:44:37,727 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:44:37,727 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:44:37,728 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:44:37,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:44:37,729 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:44:37,729 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:44:37,730 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:44:37,730 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:44:37,730 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:44:37,730 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:44:37,730 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:44:37,731 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:44:37,731 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:44:37,731 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-08 16:44:37,738 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:44:37,738 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:44:37,739 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:44:37,739 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:44:37,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:44:37,740 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:44:37,740 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 16:44:37,740 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:44:37,740 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:44:37,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:44:37,740 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 16:44:37,740 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 16:44:37,740 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 16:44:37,740 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:44:37,741 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:44:37,741 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:44:37,741 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:44:37,741 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:44:37,741 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:44:37,741 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:44:37,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:44:37,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:44:37,742 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:44:37,742 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 16:44:37,742 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:44:37,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> c685955ff6c809f32f6abe44f773ce6a6ae39f94 [2018-12-08 16:44:37,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:44:37,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:44:37,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:44:37,768 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:44:37,768 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:44:37,768 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-12-08 16:44:37,802 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/bin-2019/ukojak/data/4dae4a019/a835ddb8dc6040a6b4f520756b87a8e7/FLAGaf842fa36 [2018-12-08 16:44:38,257 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:44:38,257 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/sv-benchmarks/c/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-12-08 16:44:38,265 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/bin-2019/ukojak/data/4dae4a019/a835ddb8dc6040a6b4f520756b87a8e7/FLAGaf842fa36 [2018-12-08 16:44:38,637 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/bin-2019/ukojak/data/4dae4a019/a835ddb8dc6040a6b4f520756b87a8e7 [2018-12-08 16:44:38,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:44:38,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:44:38,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:44:38,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:44:38,646 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:44:38,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:44:38" (1/1) ... [2018-12-08 16:44:38,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4834854b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:44:38, skipping insertion in model container [2018-12-08 16:44:38,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:44:38" (1/1) ... [2018-12-08 16:44:38,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:44:38,680 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:44:38,828 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:44:38,835 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:44:38,898 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:44:38,929 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:44:38,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:44:38 WrapperNode [2018-12-08 16:44:38,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:44:38,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:44:38,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:44:38,930 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:44:38,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:44:38" (1/1) ... [2018-12-08 16:44:38,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:44:38" (1/1) ... [2018-12-08 16:44:38,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:44:38,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:44:38,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:44:38,961 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:44:38,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:44:38" (1/1) ... [2018-12-08 16:44:38,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:44:38" (1/1) ... [2018-12-08 16:44:38,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:44:38" (1/1) ... [2018-12-08 16:44:38,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:44:38" (1/1) ... [2018-12-08 16:44:38,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:44:38" (1/1) ... [2018-12-08 16:44:38,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:44:38" (1/1) ... [2018-12-08 16:44:38,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:44:38" (1/1) ... [2018-12-08 16:44:38,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:44:38,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:44:38,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:44:38,979 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:44:38,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:44:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/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 16:44:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:44:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 16:44:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 16:44:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:44:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:44:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:44:39,226 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:44:39,227 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 16:44:39,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:44:39 BoogieIcfgContainer [2018-12-08 16:44:39,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:44:39,227 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:44:39,228 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:44:39,237 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:44:39,237 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:44:39" (1/1) ... [2018-12-08 16:44:39,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:44:39,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2018-12-08 16:44:39,268 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-12-08 16:44:39,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 16:44:39,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:39,367 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 16:44:39,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:39,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2018-12-08 16:44:39,385 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2018-12-08 16:44:39,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:44:39,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:39,410 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 16:44:39,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:39,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-12-08 16:44:39,463 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-12-08 16:44:39,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:44:39,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:39,519 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 16:44:39,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2018-12-08 16:44:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2018-12-08 16:44:39,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:44:39,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:39,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:44:40,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:40,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2018-12-08 16:44:40,091 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2018-12-08 16:44:40,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:44:40,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:40,101 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 16:44:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:40,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2018-12-08 16:44:40,108 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2018-12-08 16:44:40,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:44:40,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:40,182 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 16:44:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:40,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2018-12-08 16:44:40,334 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2018-12-08 16:44:40,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 16:44:40,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:40,346 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 16:44:40,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 36 states and 50 transitions. [2018-12-08 16:44:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2018-12-08 16:44:40,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 16:44:40,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:40,398 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 16:44:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:40,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2018-12-08 16:44:40,559 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2018-12-08 16:44:40,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 16:44:40,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:40,570 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 16:44:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:40,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2018-12-08 16:44:40,581 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2018-12-08 16:44:40,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 16:44:40,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:40,693 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 16:44:40,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:40,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2018-12-08 16:44:40,968 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2018-12-08 16:44:40,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:44:40,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:41,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:44:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:41,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2018-12-08 16:44:41,353 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2018-12-08 16:44:41,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:44:41,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:41,362 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 16:44:41,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2018-12-08 16:44:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2018-12-08 16:44:41,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:44:41,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:41,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:44:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:41,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2018-12-08 16:44:41,434 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2018-12-08 16:44:41,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:44:41,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:41,442 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 16:44:41,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2018-12-08 16:44:41,531 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2018-12-08 16:44:41,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:44:41,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:44:42,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:42,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-12-08 16:44:42,759 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-12-08 16:44:42,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:44:42,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:42,771 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 16:44:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:42,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-12-08 16:44:42,786 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-12-08 16:44:42,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:44:42,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:42,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:44:43,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2018-12-08 16:44:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2018-12-08 16:44:43,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:44:43,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:43,497 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 16:44:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:43,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2018-12-08 16:44:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2018-12-08 16:44:43,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 16:44:43,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:43,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:44:44,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:44,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2018-12-08 16:44:44,035 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2018-12-08 16:44:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 16:44:44,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:44:44,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:44,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2018-12-08 16:44:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2018-12-08 16:44:44,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 16:44:44,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:44,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:44:44,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 54 states and 87 transitions. [2018-12-08 16:44:44,265 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 87 transitions. [2018-12-08 16:44:44,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 16:44:44,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:44:44,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 90 transitions. [2018-12-08 16:44:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2018-12-08 16:44:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 16:44:44,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:44,324 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 16:44:44,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:44,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 59 states and 90 transitions. [2018-12-08 16:44:44,519 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2018-12-08 16:44:44,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 16:44:44,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:44:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:44,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2018-12-08 16:44:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2018-12-08 16:44:44,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 16:44:44,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:44:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-12-08 16:44:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-12-08 16:44:44,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 16:44:44,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:44,933 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:44:46,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:46,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2018-12-08 16:44:46,068 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2018-12-08 16:44:46,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 16:44:46,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:44:46,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:46,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2018-12-08 16:44:46,115 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-12-08 16:44:46,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 16:44:46,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:44:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:44:46,153 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 16:44:46,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:44:46,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-12-08 16:44:46,362 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-12-08 16:44:46,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:44:46,362 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2018-12-08 16:44:46,369 INFO L779 CodeCheckObserver]: All specifications hold 13 specifications checked. All of them hold [2018-12-08 16:44:46,459 INFO L583 CodeCheckObserver]: Invariant with dag size 30 [2018-12-08 16:44:46,463 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,463 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,464 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,464 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,464 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,468 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,468 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,468 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,468 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,468 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,469 INFO L583 CodeCheckObserver]: Invariant with dag size 23 [2018-12-08 16:44:46,470 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,470 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,470 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,470 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,471 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,471 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,471 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 16:44:46,471 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,471 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:44:46 ImpRootNode [2018-12-08 16:44:46,472 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:44:46,472 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:44:46,472 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:44:46,472 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:44:46,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:44:39" (3/4) ... [2018-12-08 16:44:46,475 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:44:46,481 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-12-08 16:44:46,481 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 16:44:46,481 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:44:46,498 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown) && i < 0) || (((\valid[numbers] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers == 0) && 4 * i + 4 <= unknown-#length-unknown[numbers]) [2018-12-08 16:44:46,498 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((8 <= numbers + 4 * j && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers == 0) && 1 <= i) && 4 * i + 4 <= unknown-#length-unknown[numbers]) && numbers + 4 * j <= unknown-#length-unknown[numbers]) || ((((\valid[numbers] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && j == 1) && numbers == 0) && 4 * i + 4 <= unknown-#length-unknown[numbers]) [2018-12-08 16:44:46,499 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-08 16:44:46,513 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7f45d3b8-8ad1-4458-8fb9-584c030c3bd4/bin-2019/ukojak/witness.graphml [2018-12-08 16:44:46,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:44:46,513 INFO L168 Benchmark]: Toolchain (without parser) took 7872.86 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 329.8 MB). Free memory was 949.6 MB in the beginning and 1.3 GB in the end (delta: -313.1 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:44:46,515 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. [2018-12-08 16:44:46,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:44:46,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:44:46,515 INFO L168 Benchmark]: Boogie Preprocessor took 18.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:44:46,516 INFO L168 Benchmark]: RCFGBuilder took 247.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:44:46,516 INFO L168 Benchmark]: CodeCheck took 7244.43 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 220.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -204.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:44:46,516 INFO L168 Benchmark]: Witness Printer took 40.76 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:44:46,518 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 34 locations, 13 error locations. SAFE Result, 7.1s OverallTime, 29 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 558891008 SDtfs, 1010643328 SDslu, 557317848 SDs, 0 SdLazy, 843591960 SolverSat, 1503072312 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2620 GetRequests, 2343 SyntacticMatches, 99 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15004 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 24815 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 67/107 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: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - InvariantResult [Line: 544]: Loop Invariant [2018-12-08 16:44:46,520 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,520 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,520 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,520 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,520 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,521 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,521 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,521 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,522 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,522 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((8 <= numbers + 4 * j && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers == 0) && 1 <= i) && 4 * i + 4 <= unknown-#length-unknown[numbers]) && numbers + 4 * j <= unknown-#length-unknown[numbers]) || ((((\valid[numbers] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && j == 1) && numbers == 0) && 4 * i + 4 <= unknown-#length-unknown[numbers]) - InvariantResult [Line: 543]: Loop Invariant [2018-12-08 16:44:46,522 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,522 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,522 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:44:46,523 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,523 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,523 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (\valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown) && i < 0) || (((\valid[numbers] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers == 0) && 4 * i + 4 <= unknown-#length-unknown[numbers]) - InvariantResult [Line: 553]: Loop Invariant [2018-12-08 16:44:46,523 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:44:46,524 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * 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 286.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 247.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * CodeCheck took 7244.43 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 220.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -204.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Witness Printer took 40.76 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...