./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/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 a2eb39e0d0d0fa911fcf8a16c5f9511be1d37325 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 21:38:57,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 21:38:57,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 21:38:57,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 21:38:57,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 21:38:57,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 21:38:57,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 21:38:57,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 21:38:57,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 21:38:57,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 21:38:57,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 21:38:57,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 21:38:57,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 21:38:57,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 21:38:57,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 21:38:57,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 21:38:57,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 21:38:57,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 21:38:57,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 21:38:57,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 21:38:57,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 21:38:57,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 21:38:57,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 21:38:57,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 21:38:57,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 21:38:57,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 21:38:57,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 21:38:57,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 21:38:57,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 21:38:57,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 21:38:57,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 21:38:57,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 21:38:57,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 21:38:57,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 21:38:57,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 21:38:57,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 21:38:57,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 21:38:57,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 21:38:57,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 21:38:57,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 21:38:57,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 21:38:57,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 21:38:57,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 21:38:57,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 21:38:57,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 21:38:57,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 21:38:57,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 21:38:57,900 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 21:38:57,900 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 21:38:57,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 21:38:57,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 21:38:57,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 21:38:57,900 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 21:38:57,901 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 21:38:57,901 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 21:38:57,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 21:38:57,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 21:38:57,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 21:38:57,902 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 21:38:57,902 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 21:38:57,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 21:38:57,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 21:38:57,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 21:38:57,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 21:38:57,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 21:38:57,903 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 21:38:57,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 21:38:57,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/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 -> a2eb39e0d0d0fa911fcf8a16c5f9511be1d37325 [2019-12-01 21:38:58,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 21:38:58,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 21:38:58,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 21:38:58,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 21:38:58,018 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 21:38:58,018 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/ukojak/../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2019-12-01 21:38:58,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/ukojak/data/04db1b446/602c110fb9294809aa84c3fd6780c620/FLAG0bca23d98 [2019-12-01 21:38:58,535 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 21:38:58,536 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2019-12-01 21:38:58,545 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/ukojak/data/04db1b446/602c110fb9294809aa84c3fd6780c620/FLAG0bca23d98 [2019-12-01 21:38:59,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/ukojak/data/04db1b446/602c110fb9294809aa84c3fd6780c620 [2019-12-01 21:38:59,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 21:38:59,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 21:38:59,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 21:38:59,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 21:38:59,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 21:38:59,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:38:59" (1/1) ... [2019-12-01 21:38:59,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653742f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:38:59, skipping insertion in model container [2019-12-01 21:38:59,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:38:59" (1/1) ... [2019-12-01 21:38:59,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 21:38:59,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 21:38:59,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:38:59,347 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 21:38:59,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:38:59,417 INFO L208 MainTranslator]: Completed translation [2019-12-01 21:38:59,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:38:59 WrapperNode [2019-12-01 21:38:59,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 21:38:59,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 21:38:59,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 21:38:59,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 21:38:59,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:38:59" (1/1) ... [2019-12-01 21:38:59,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:38:59" (1/1) ... [2019-12-01 21:38:59,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 21:38:59,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 21:38:59,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 21:38:59,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 21:38:59,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:38:59" (1/1) ... [2019-12-01 21:38:59,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:38:59" (1/1) ... [2019-12-01 21:38:59,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:38:59" (1/1) ... [2019-12-01 21:38:59,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:38:59" (1/1) ... [2019-12-01 21:38:59,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:38:59" (1/1) ... [2019-12-01 21:38:59,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:38:59" (1/1) ... [2019-12-01 21:38:59,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:38:59" (1/1) ... [2019-12-01 21:38:59,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 21:38:59,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 21:38:59,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 21:38:59,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 21:38:59,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:38:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/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 [2019-12-01 21:38:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 21:38:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 21:38:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 21:38:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 21:38:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 21:38:59,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 21:38:59,755 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 21:38:59,756 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-01 21:38:59,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:38:59 BoogieIcfgContainer [2019-12-01 21:38:59,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 21:38:59,757 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 21:38:59,757 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 21:38:59,763 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 21:38:59,764 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:38:59" (1/1) ... [2019-12-01 21:38:59,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 21:38:59,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:38:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2019-12-01 21:38:59,792 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2019-12-01 21:38:59,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 21:38:59,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:38:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:38:59,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:38:59,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:38:59,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2019-12-01 21:38:59,917 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2019-12-01 21:38:59,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 21:38:59,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:38:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:38:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:39:00,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:00,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2019-12-01 21:39:00,137 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2019-12-01 21:39:00,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 21:39:00,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:39:00,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:00,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2019-12-01 21:39:00,301 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2019-12-01 21:39:00,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 21:39:00,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:39:00,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:00,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2019-12-01 21:39:00,812 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2019-12-01 21:39:00,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 21:39:00,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:00,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:39:01,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:01,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2019-12-01 21:39:01,127 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2019-12-01 21:39:01,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 21:39:01,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:01,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:39:01,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:01,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2019-12-01 21:39:01,448 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2019-12-01 21:39:01,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 21:39:01,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:01,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:39:01,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2019-12-01 21:39:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2019-12-01 21:39:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 21:39:01,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:01,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:39:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:03,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2019-12-01 21:39:03,218 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2019-12-01 21:39:03,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 21:39:03,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2019-12-01 21:39:03,239 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2019-12-01 21:39:03,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 21:39:03,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:05,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2019-12-01 21:39:05,109 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2019-12-01 21:39:05,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 21:39:05,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:39:07,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:07,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2019-12-01 21:39:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2019-12-01 21:39:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 21:39:07,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:08,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:39:09,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:09,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 47 states and 69 transitions. [2019-12-01 21:39:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2019-12-01 21:39:09,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 21:39:09,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:09,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:09,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2019-12-01 21:39:09,319 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2019-12-01 21:39:09,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 21:39:09,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:09,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:09,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:09,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 48 states and 71 transitions. [2019-12-01 21:39:09,809 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2019-12-01 21:39:09,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 21:39:09,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:09,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:09,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2019-12-01 21:39:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2019-12-01 21:39:09,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 21:39:09,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:11,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 46 states and 69 transitions. [2019-12-01 21:39:11,461 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2019-12-01 21:39:11,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 21:39:11,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:11,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:12,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:12,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2019-12-01 21:39:12,545 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2019-12-01 21:39:12,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 21:39:12,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:12,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2019-12-01 21:39:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2019-12-01 21:39:12,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 21:39:12,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2019-12-01 21:39:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2019-12-01 21:39:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 21:39:12,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:12,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:12,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2019-12-01 21:39:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2019-12-01 21:39:12,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 21:39:12,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:39:14,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:14,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2019-12-01 21:39:14,508 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2019-12-01 21:39:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 21:39:14,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:14,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2019-12-01 21:39:14,529 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2019-12-01 21:39:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 21:39:14,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:18,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:18,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2019-12-01 21:39:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2019-12-01 21:39:18,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 21:39:18,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:18,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:18,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:18,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2019-12-01 21:39:18,103 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2019-12-01 21:39:18,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 21:39:18,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:18,441 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 21:39:20,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:20,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 58 states and 100 transitions. [2019-12-01 21:39:20,259 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 100 transitions. [2019-12-01 21:39:20,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 21:39:20,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:20,282 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 21:39:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:21,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 105 transitions. [2019-12-01 21:39:21,826 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 105 transitions. [2019-12-01 21:39:21,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 21:39:21,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:39:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:24,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 68 states and 117 transitions. [2019-12-01 21:39:24,436 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 117 transitions. [2019-12-01 21:39:24,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 21:39:24,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 21:39:25,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:25,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 72 states and 119 transitions. [2019-12-01 21:39:25,278 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 119 transitions. [2019-12-01 21:39:25,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 21:39:25,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:39:26,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:26,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2019-12-01 21:39:26,816 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2019-12-01 21:39:26,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 21:39:26,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 21:39:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:27,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2019-12-01 21:39:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2019-12-01 21:39:27,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 21:39:27,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:27,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 21:39:27,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2019-12-01 21:39:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2019-12-01 21:39:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 21:39:27,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:39:28,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:28,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2019-12-01 21:39:28,644 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2019-12-01 21:39:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 21:39:28,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:39:28,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2019-12-01 21:39:28,690 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2019-12-01 21:39:28,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 21:39:28,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 21:39:33,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:33,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 56 states and 69 transitions. [2019-12-01 21:39:33,028 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2019-12-01 21:39:33,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 21:39:33,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:39:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:39:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-12-01 21:39:33,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:39:33,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2019-12-01 21:39:33,579 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2019-12-01 21:39:33,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 21:39:33,579 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2019-12-01 21:39:33,585 INFO L765 CodeCheckObserver]: All specifications hold 15 specifications checked. All of them hold [2019-12-01 21:39:33,758 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-12-01 21:39:34,050 INFO L569 CodeCheckObserver]: Invariant with dag size 38 [2019-12-01 21:39:34,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,065 INFO L569 CodeCheckObserver]: Invariant with dag size 23 [2019-12-01 21:39:34,066 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,066 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,066 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,066 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,067 INFO L569 CodeCheckObserver]: Invariant with dag size 35 [2019-12-01 21:39:34,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,071 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 21:39:34,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 09:39:34 ImpRootNode [2019-12-01 21:39:34,072 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 21:39:34,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 21:39:34,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 21:39:34,072 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 21:39:34,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:38:59" (3/4) ... [2019-12-01 21:39:34,075 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 21:39:34,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 21:39:34,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-01 21:39:34,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 21:39:34,100 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown) && numbers == 0) && k == 0) && unknown-#length-unknown[numbers] == array_size * 4) && 1 == \valid[numbers]) && 1 <= array_size) || (((((8 <= 4 * array_size + numbers && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers == 0) && unknown-#length-unknown[numbers] == array_size * 4) && 1 < k) && 1 == \valid[numbers])) || ((((((4 <= 4 * array_size + numbers && 4 <= numbers + 4 * k) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && k <= 1) && numbers == 0) && unknown-#length-unknown[numbers] == array_size * 4) && 1 == \valid[numbers]) [2019-12-01 21:39:34,100 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) || (((1 == \valid[numbers] && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers == 0) && 4 * i + 4 <= unknown-#length-unknown[numbers]) [2019-12-01 21:39:34,101 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((i + 4 <= unknown-#length-unknown[numbers] && 1 == \valid[numbers]) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && j == 1) && i <= 0) && numbers == 0) || (((((1 == \valid[numbers] && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 4 * i + 4 <= numbers + 4 * j) && numbers == 0) && 1 <= i) && numbers + 4 * j <= unknown-#length-unknown[numbers])) || (((((8 <= numbers + 4 * j && 1 == \valid[numbers]) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers + 4 * j < 4 * i + 4) && numbers == 0) && 4 * i + 4 <= unknown-#length-unknown[numbers])) || (((((1 == \valid[numbers] && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && j == 1) && 0 < i) && numbers == 0) && 4 * i + 4 <= unknown-#length-unknown[numbers]) [2019-12-01 21:39:34,101 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2019-12-01 21:39:34,119 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c4c7bc1a-375b-46c8-b361-de473d177df1/bin/ukojak/witness.graphml [2019-12-01 21:39:34,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 21:39:34,120 INFO L168 Benchmark]: Toolchain (without parser) took 35081.50 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.6 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 153.6 MB. Max. memory is 11.5 GB. [2019-12-01 21:39:34,120 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 21:39:34,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -136.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-01 21:39:34,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.34 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. [2019-12-01 21:39:34,122 INFO L168 Benchmark]: Boogie Preprocessor took 18.36 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 21:39:34,122 INFO L168 Benchmark]: RCFGBuilder took 290.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-12-01 21:39:34,123 INFO L168 Benchmark]: CodeCheck took 34315.02 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 220.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -71.8 MB). Peak memory consumption was 148.4 MB. Max. memory is 11.5 GB. [2019-12-01 21:39:34,123 INFO L168 Benchmark]: Witness Printer took 47.01 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-12-01 21:39:34,125 INFO L335 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, 30 locations, 15 error locations. Result: SAFE, OverallTime: 33.8s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1117782016 SDtfs, 42269758 SDslu, -2106593336 SDs, 0 SdLazy, 818087706 SolverSat, -1186621340 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4172 GetRequests, 3703 SyntacticMatches, 141 SemanticMatches, 328 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52681 ImplicationChecksByTransitivity, 31.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 456 NumberOfCodeBlocks, 456 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 421 ConstructedInterpolants, 0 QuantifiedInterpolants, 43844 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 22 PerfectInterpolantSequences, 170/220 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 525]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 516]: Loop Invariant [2019-12-01 21:39:34,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((((i + 4 <= unknown-#length-unknown[numbers] && 1 == \valid[numbers]) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && j == 1) && i <= 0) && numbers == 0) || (((((1 == \valid[numbers] && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 4 * i + 4 <= numbers + 4 * j) && numbers == 0) && 1 <= i) && numbers + 4 * j <= unknown-#length-unknown[numbers])) || (((((8 <= numbers + 4 * j && 1 == \valid[numbers]) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers + 4 * j < 4 * i + 4) && numbers == 0) && 4 * i + 4 <= unknown-#length-unknown[numbers])) || (((((1 == \valid[numbers] && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && j == 1) && 0 < i) && numbers == 0) && 4 * i + 4 <= unknown-#length-unknown[numbers]) - InvariantResult [Line: 515]: Loop Invariant [2019-12-01 21:39:34,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (\valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown) && i < 0) || (((1 == \valid[numbers] && \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: 532]: Loop Invariant [2019-12-01 21:39:34,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 21:39:34,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((\valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown) && numbers == 0) && k == 0) && unknown-#length-unknown[numbers] == array_size * 4) && 1 == \valid[numbers]) && 1 <= array_size) || (((((8 <= 4 * array_size + numbers && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers == 0) && unknown-#length-unknown[numbers] == array_size * 4) && 1 < k) && 1 == \valid[numbers])) || ((((((4 <= 4 * array_size + numbers && 4 <= numbers + 4 * k) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && k <= 1) && numbers == 0) && unknown-#length-unknown[numbers] == array_size * 4) && 1 == \valid[numbers]) - InvariantResult [Line: 525]: Loop Invariant [2019-12-01 21:39:34,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 21:39:34,138 WARN L1295 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 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -136.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.34 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 18.36 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 290.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * CodeCheck took 34315.02 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 220.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -71.8 MB). Peak memory consumption was 148.4 MB. Max. memory is 11.5 GB. * Witness Printer took 47.01 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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 #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 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 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 #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 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 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 #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 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 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 #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 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 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...