./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/array01-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/array01-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/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 0e0283c2b515067609d1d09b2bc4afe3d1f1d910 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:11:34,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:11:34,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:11:34,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:11:34,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:11:34,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:11:34,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:11:34,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:11:34,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:11:34,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:11:34,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:11:34,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:11:34,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:11:34,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:11:34,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:11:34,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:11:34,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:11:34,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:11:34,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:11:34,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:11:34,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:11:34,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:11:34,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:11:34,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:11:34,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:11:34,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:11:34,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:11:34,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:11:34,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:11:34,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:11:34,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:11:34,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:11:34,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:11:34,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:11:34,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:11:34,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:11:34,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:11:35,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:11:35,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:11:35,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:11:35,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:11:35,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:11:35,017 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:11:35,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:11:35,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:11:35,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:11:35,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:11:35,022 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:11:35,022 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:11:35,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:11:35,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:11:35,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:11:35,023 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:11:35,023 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:11:35,023 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:11:35,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:11:35,023 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:11:35,023 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:11:35,024 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:11:35,024 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:11:35,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:11:35,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:11:35,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:11:35,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:11:35,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:11:35,025 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:11:35,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:11:35,025 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/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/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 -> 0e0283c2b515067609d1d09b2bc4afe3d1f1d910 [2019-10-22 10:11:35,051 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:11:35,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:11:35,066 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:11:35,067 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:11:35,068 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:11:35,068 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/bin/ukojak/../../sv-benchmarks/c/array-memsafety/array01-alloca-2.i [2019-10-22 10:11:35,112 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/bin/ukojak/data/12f704d35/070de32595054070ae63a8e6de13add7/FLAG527d95f32 [2019-10-22 10:11:35,541 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:11:35,542 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/sv-benchmarks/c/array-memsafety/array01-alloca-2.i [2019-10-22 10:11:35,553 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/bin/ukojak/data/12f704d35/070de32595054070ae63a8e6de13add7/FLAG527d95f32 [2019-10-22 10:11:35,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/bin/ukojak/data/12f704d35/070de32595054070ae63a8e6de13add7 [2019-10-22 10:11:35,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:11:35,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:11:35,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:11:35,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:11:35,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:11:35,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:11:35" (1/1) ... [2019-10-22 10:11:35,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9160ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:35, skipping insertion in model container [2019-10-22 10:11:35,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:11:35" (1/1) ... [2019-10-22 10:11:35,581 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:11:35,613 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:11:35,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:11:35,931 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:11:35,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:11:36,018 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:11:36,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:36 WrapperNode [2019-10-22 10:11:36,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:11:36,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:11:36,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:11:36,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:11:36,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:36" (1/1) ... [2019-10-22 10:11:36,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:36" (1/1) ... [2019-10-22 10:11:36,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:11:36,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:11:36,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:11:36,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:11:36,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:36" (1/1) ... [2019-10-22 10:11:36,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:36" (1/1) ... [2019-10-22 10:11:36,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:36" (1/1) ... [2019-10-22 10:11:36,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:36" (1/1) ... [2019-10-22 10:11:36,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:36" (1/1) ... [2019-10-22 10:11:36,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:36" (1/1) ... [2019-10-22 10:11:36,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:36" (1/1) ... [2019-10-22 10:11:36,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:11:36,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:11:36,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:11:36,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:11:36,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/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 [2019-10-22 10:11:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 10:11:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 10:11:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:11:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:11:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:11:36,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:11:36,537 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:11:36,537 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-22 10:11:36,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:36 BoogieIcfgContainer [2019-10-22 10:11:36,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:11:36,539 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:11:36,539 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:11:36,549 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:11:36,549 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:36" (1/1) ... [2019-10-22 10:11:36,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:11:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:36,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2019-10-22 10:11:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2019-10-22 10:11:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:11:36,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:36,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2019-10-22 10:11:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-10-22 10:11:36,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:11:36,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:37,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:37,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2019-10-22 10:11:37,067 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2019-10-22 10:11:37,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:11:37,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:37,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:37,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2019-10-22 10:11:37,280 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-10-22 10:11:37,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:11:37,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:37,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:37,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:37,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2019-10-22 10:11:37,968 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-10-22 10:11:37,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:11:37,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:38,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:38,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2019-10-22 10:11:38,512 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-10-22 10:11:38,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:11:38,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:38,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:38,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2019-10-22 10:11:38,772 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-10-22 10:11:38,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:11:38,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:38,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:39,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:39,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2019-10-22 10:11:39,339 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2019-10-22 10:11:39,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:11:39,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:39,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:39,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2019-10-22 10:11:39,724 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2019-10-22 10:11:39,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:11:39,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:11:39,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2019-10-22 10:11:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-10-22 10:11:39,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:11:39,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:39,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:11:40,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:40,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2019-10-22 10:11:40,102 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2019-10-22 10:11:40,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:11:40,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:40,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:11:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2019-10-22 10:11:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-10-22 10:11:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:11:40,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:11:40,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:40,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2019-10-22 10:11:40,187 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2019-10-22 10:11:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:11:40,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:11:41,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:41,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2019-10-22 10:11:41,487 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2019-10-22 10:11:41,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:11:41,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:41,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:11:41,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:41,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2019-10-22 10:11:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2019-10-22 10:11:41,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:11:41,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:42,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:43,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:43,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2019-10-22 10:11:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2019-10-22 10:11:43,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:11:43,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:43,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:44,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:44,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2019-10-22 10:11:44,207 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2019-10-22 10:11:44,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:11:44,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:11:44,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:44,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2019-10-22 10:11:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2019-10-22 10:11:44,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:11:44,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:46,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:46,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2019-10-22 10:11:46,235 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2019-10-22 10:11:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:11:46,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:46,509 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2019-10-22 10:11:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2019-10-22 10:11:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:11:47,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:47,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:11:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:48,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2019-10-22 10:11:48,064 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2019-10-22 10:11:48,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:11:48,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:48,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2019-10-22 10:11:48,487 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2019-10-22 10:11:48,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:11:48,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:49,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:49,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2019-10-22 10:11:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2019-10-22 10:11:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:11:49,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:11:49,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:49,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 53 states and 87 transitions. [2019-10-22 10:11:49,757 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 87 transitions. [2019-10-22 10:11:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:11:49,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:49,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:11:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:50,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 90 transitions. [2019-10-22 10:11:50,163 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2019-10-22 10:11:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:11:50,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:11:50,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:50,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2019-10-22 10:11:50,412 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2019-10-22 10:11:50,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:11:50,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:50,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:11:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:50,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2019-10-22 10:11:50,799 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2019-10-22 10:11:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:11:50,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:11:53,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 65 states and 107 transitions. [2019-10-22 10:11:53,650 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 107 transitions. [2019-10-22 10:11:53,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:11:53,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:53,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:11:55,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:55,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 72 states and 120 transitions. [2019-10-22 10:11:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 120 transitions. [2019-10-22 10:11:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:11:55,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:55,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:11:55,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 72 states and 119 transitions. [2019-10-22 10:11:55,623 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 119 transitions. [2019-10-22 10:11:55,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:11:55,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:11:56,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 71 states and 116 transitions. [2019-10-22 10:11:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 116 transitions. [2019-10-22 10:11:56,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:11:56,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:56,189 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:11:56,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 72 states and 117 transitions. [2019-10-22 10:11:56,377 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2019-10-22 10:11:56,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:11:56,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:56,475 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 10:11:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 74 states and 118 transitions. [2019-10-22 10:11:56,883 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2019-10-22 10:11:56,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:11:56,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:11:57,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 76 states and 119 transitions. [2019-10-22 10:11:57,213 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 119 transitions. [2019-10-22 10:11:57,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:11:57,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:57,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:11:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 120 transitions. [2019-10-22 10:11:57,246 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2019-10-22 10:11:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:11:57,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:11:57,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:57,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2019-10-22 10:11:57,351 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2019-10-22 10:11:57,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:11:57,352 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2019-10-22 10:11:57,359 INFO L771 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2019-10-22 10:11:57,599 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-10-22 10:11:57,807 INFO L575 CodeCheckObserver]: Invariant with dag size 29 [2019-10-22 10:11:57,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,822 INFO L575 CodeCheckObserver]: Invariant with dag size 28 [2019-10-22 10:11:57,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,825 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,832 INFO L575 CodeCheckObserver]: Invariant with dag size 34 [2019-10-22 10:11:57,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:11:57 ImpRootNode [2019-10-22 10:11:57,837 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:11:57,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:11:57,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:11:57,837 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:11:57,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:36" (3/4) ... [2019-10-22 10:11:57,841 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:11:57,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2019-10-22 10:11:57,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-10-22 10:11:57,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:11:57,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:11:57,871 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && 4 <= 4 * array_size + numbers) && 4 <= numbers + 4 * k) && unknown-#length-unknown[numbers] == 4 * array_size) && k <= 1) && numbers == 0) && 1 == \valid[numbers]) || (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && unknown-#length-unknown[numbers] == 4 * array_size) && numbers == 0) && k == 0) && 1 == \valid[numbers]) && 1 <= array_size)) || (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && 8 <= 4 * array_size + numbers) && unknown-#length-unknown[numbers] == 4 * array_size) && numbers == 0) && 1 < k) && 1 == \valid[numbers]) [2019-10-22 10:11:57,871 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && 4 * N <= unknown-#length-unknown[a]) && 0 == i) && 0 == a) && 1 == \valid[a]) || ((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && 4 * N <= unknown-#length-unknown[a]) && 1 <= i) && 0 == a) && 1 == \valid[a])) || (((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && 4 * N <= 4 * i + a) && 0 == a) && 1 == \valid[a]) [2019-10-22 10:11:57,871 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && 4 * N <= unknown-#length-unknown[a]) && 0 == a) && 0 < 4 * i + a + 1) && 4 * i + a + 4 < 4 * N) && 1 == \valid[a]) || (((((4 * N <= 4 * i + a + 4 && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0]) && 4 * i + a + 4 <= unknown-#length-unknown[a]) && 0 == a) && 0 < 4 * i + a + 1) && 1 == \valid[a]) [2019-10-22 10:11:57,887 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_03e16ca6-7b45-4c6c-8f22-cc3b18258670/bin/ukojak/witness.graphml [2019-10-22 10:11:57,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:11:57,889 INFO L168 Benchmark]: Toolchain (without parser) took 22321.94 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 368.6 MB). Free memory was 939.2 MB in the beginning and 1.2 GB in the end (delta: -234.3 MB). Peak memory consumption was 134.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:57,889 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:11:57,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:57,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:11:57,890 INFO L168 Benchmark]: Boogie Preprocessor took 43.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:57,891 INFO L168 Benchmark]: RCFGBuilder took 423.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:57,892 INFO L168 Benchmark]: CodeCheck took 21297.76 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 221.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -90.8 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:57,892 INFO L168 Benchmark]: Witness Printer took 50.61 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:57,894 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, 20 locations, 9 error locations. Result: SAFE, OverallTime: 20.7s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 687865856 SDtfs, -1634115212 SDslu, 637263420 SDs, 0 SdLazy, 399935540 SolverSat, 636248960 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3684 GetRequests, 3259 SyntacticMatches, 129 SemanticMatches, 296 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42715 ImplicationChecksByTransitivity, 18.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 357 ConstructedInterpolants, 0 QuantifiedInterpolants, 35898 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 21 PerfectInterpolantSequences, 145/177 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: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 533]: 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: 524]: all allocated memory was freed For all program executions holds that all allocated memory was freed 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: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 533]: 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 - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 517]: Loop Invariant [2019-10-22 10:11:57,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && 4 * N <= unknown-#length-unknown[a]) && 0 == a) && 0 < 4 * i + a + 1) && 4 * i + a + 4 < 4 * N) && 1 == \valid[a]) || (((((4 * N <= 4 * i + a + 4 && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0]) && 4 * i + a + 4 <= unknown-#length-unknown[a]) && 0 == a) && 0 < 4 * i + a + 1) && 1 == \valid[a]) - InvariantResult [Line: 516]: Loop Invariant [2019-10-22 10:11:57,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && 4 * N <= unknown-#length-unknown[a]) && 0 == i) && 0 == a) && 1 == \valid[a]) || ((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && 4 * N <= unknown-#length-unknown[a]) && 1 <= i) && 0 == a) && 1 == \valid[a])) || (((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && 4 * N <= 4 * i + a) && 0 == a) && 1 == \valid[a]) - InvariantResult [Line: 531]: Loop Invariant [2019-10-22 10:11:57,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:11:57,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:11:57,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && 4 <= 4 * array_size + numbers) && 4 <= numbers + 4 * k) && unknown-#length-unknown[numbers] == 4 * array_size) && k <= 1) && numbers == 0) && 1 == \valid[numbers]) || (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && unknown-#length-unknown[numbers] == 4 * array_size) && numbers == 0) && k == 0) && 1 == \valid[numbers]) && 1 <= array_size)) || (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := 0] && 8 <= 4 * array_size + numbers) && unknown-#length-unknown[numbers] == 4 * array_size) && numbers == 0) && 1 < k) && 1 == \valid[numbers]) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 451.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 423.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * CodeCheck took 21297.76 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 221.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -90.8 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. * Witness Printer took 50.61 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 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 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 #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 #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 #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 RESULT: Ultimate proved your program to be correct! Received shutdown request...