./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/freeAlloca_false-valid-free.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/freeAlloca_false-valid-free.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2749915c63b6e758ac6033a38fbdad80769d2869 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 13:04:09,665 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:04:09,666 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:04:09,672 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:04:09,672 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:04:09,673 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:04:09,673 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:04:09,674 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:04:09,675 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:04:09,676 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:04:09,676 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:04:09,676 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:04:09,677 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:04:09,677 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:04:09,678 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:04:09,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:04:09,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:04:09,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:04:09,680 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:04:09,681 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:04:09,682 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:04:09,683 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:04:09,684 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:04:09,684 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:04:09,684 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:04:09,684 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:04:09,685 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:04:09,685 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:04:09,686 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:04:09,686 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:04:09,687 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:04:09,687 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:04:09,687 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:04:09,687 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:04:09,688 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:04:09,688 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:04:09,688 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-09 13:04:09,696 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:04:09,696 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:04:09,696 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 13:04:09,697 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 13:04:09,697 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:04:09,697 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:04:09,697 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 13:04:09,697 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:04:09,697 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:04:09,697 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:04:09,698 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 13:04:09,698 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 13:04:09,698 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 13:04:09,698 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:04:09,698 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:04:09,698 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 13:04:09,698 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 13:04:09,698 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 13:04:09,699 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:04:09,699 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:04:09,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 13:04:09,699 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:04:09,699 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:04:09,699 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 13:04:09,699 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:04:09,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2749915c63b6e758ac6033a38fbdad80769d2869 [2018-12-09 13:04:09,721 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:04:09,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:04:09,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:04:09,734 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:04:09,734 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:04:09,735 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak/../../sv-benchmarks/c/memsafety-ext3/freeAlloca_false-valid-free.c [2018-12-09 13:04:09,774 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak/data/a74672a04/228e34beac234dcda238d58d8d84e226/FLAG6cc8ece66 [2018-12-09 13:04:10,107 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:04:10,107 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/sv-benchmarks/c/memsafety-ext3/freeAlloca_false-valid-free.c [2018-12-09 13:04:10,111 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak/data/a74672a04/228e34beac234dcda238d58d8d84e226/FLAG6cc8ece66 [2018-12-09 13:04:10,501 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak/data/a74672a04/228e34beac234dcda238d58d8d84e226 [2018-12-09 13:04:10,504 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:04:10,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:04:10,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:04:10,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:04:10,508 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:04:10,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:04:10" (1/1) ... [2018-12-09 13:04:10,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5434a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:10, skipping insertion in model container [2018-12-09 13:04:10,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:04:10" (1/1) ... [2018-12-09 13:04:10,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:04:10,525 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:04:10,606 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:04:10,612 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:04:10,620 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:04:10,628 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:04:10,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:10 WrapperNode [2018-12-09 13:04:10,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:04:10,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:04:10,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:04:10,629 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:04:10,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:10" (1/1) ... [2018-12-09 13:04:10,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:10" (1/1) ... [2018-12-09 13:04:10,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:04:10,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:04:10,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:04:10,648 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:04:10,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:10" (1/1) ... [2018-12-09 13:04:10,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:10" (1/1) ... [2018-12-09 13:04:10,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:10" (1/1) ... [2018-12-09 13:04:10,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:10" (1/1) ... [2018-12-09 13:04:10,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:10" (1/1) ... [2018-12-09 13:04:10,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:10" (1/1) ... [2018-12-09 13:04:10,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:10" (1/1) ... [2018-12-09 13:04:10,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:04:10,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:04:10,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:04:10,689 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:04:10,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:04:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 13:04:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 13:04:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 13:04:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:04:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:04:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 13:04:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 13:04:10,846 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:04:10,846 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 13:04:10,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:04:10 BoogieIcfgContainer [2018-12-09 13:04:10,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:04:10,847 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 13:04:10,847 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 13:04:10,853 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 13:04:10,853 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:04:10" (1/1) ... [2018-12-09 13:04:10,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:04:10,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-12-09 13:04:10,880 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-09 13:04:10,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 13:04:10,881 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:10,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-12-09 13:04:10,983 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-09 13:04:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 13:04:10,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:11,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:11,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-12-09 13:04:11,051 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-12-09 13:04:11,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 13:04:11,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:11,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:11,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:11,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2018-12-09 13:04:11,218 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2018-12-09 13:04:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 13:04:11,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:11,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:11,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:11,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-12-09 13:04:11,242 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-12-09 13:04:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 13:04:11,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:11,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:11,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2018-12-09 13:04:11,499 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2018-12-09 13:04:11,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 13:04:11,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:11,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:11,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2018-12-09 13:04:11,624 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2018-12-09 13:04:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 13:04:11,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 13:04:11,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:11,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-12-09 13:04:11,741 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-09 13:04:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 13:04:11,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:11,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:11,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:11,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-12-09 13:04:11,935 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-12-09 13:04:11,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 13:04:11,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:11,969 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:12,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-12-09 13:04:12,145 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-12-09 13:04:12,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 13:04:12,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:12,179 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:12,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-12-09 13:04:12,372 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-12-09 13:04:12,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 13:04:12,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:12,423 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:12,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-12-09 13:04:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-12-09 13:04:12,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 13:04:12,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:12,672 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-12-09 13:04:12,895 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-12-09 13:04:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 13:04:12,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:13,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-12-09 13:04:13,179 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-12-09 13:04:13,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 13:04:13,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:13,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-12-09 13:04:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-12-09 13:04:13,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 13:04:13,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:04:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:13,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-12-09 13:04:13,826 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-12-09 13:04:13,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 13:04:13,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:13,926 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 13:04:15,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-12-09 13:04:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-12-09 13:04:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 13:04:15,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 13:04:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-12-09 13:04:15,783 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-12-09 13:04:15,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 13:04:15,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:15,800 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-09 13:04:15,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:15,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2018-12-09 13:04:15,939 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2018-12-09 13:04:15,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 13:04:15,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:16,069 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 13:04:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:18,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-12-09 13:04:18,889 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-12-09 13:04:18,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 13:04:18,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:04:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:04:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 13:04:22,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:04:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-12-09 13:04:22,526 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-12-09 13:04:22,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 13:04:22,527 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2018-12-09 13:04:22,532 INFO L779 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2018-12-09 13:04:22,741 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 13:04:22,745 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,749 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,749 INFO L583 CodeCheckObserver]: Invariant with dag size 28 [2018-12-09 13:04:22,751 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,751 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 13:04:22,751 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,751 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 13:04:22,752 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,752 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 13:04:22,753 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,753 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 13:04:22,754 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,754 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 13:04:22,754 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,754 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 13:04:22,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 01:04:22 ImpRootNode [2018-12-09 13:04:22,755 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 13:04:22,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:04:22,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:04:22,755 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:04:22,756 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:04:10" (3/4) ... [2018-12-09 13:04:22,758 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 13:04:22,765 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 13:04:22,765 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 13:04:22,766 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 13:04:22,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\old(unknown-main_\old_#valid-unknown) == \valid[alloca(10 * sizeof(char)) := 0] && unknown-#length-unknown[p] == 10) && 1 == \valid[p]) && p <= 0) && i <= 1) && alloca(10 * sizeof(char)) == p) && 1 <= i + p) || ((((((\old(unknown-main_\old_#valid-unknown) == \valid[alloca(10 * sizeof(char)) := 0] && unknown-#length-unknown[p] == 10) && 1 < i) && 1 == \valid[p]) && p <= 0) && alloca(10 * sizeof(char)) == p) && 0 <= p)) || ((((((\old(unknown-main_\old_#valid-unknown) == \valid[alloca(10 * sizeof(char)) := 0] && unknown-#length-unknown[p] == 10) && 1 == \valid[p]) && p <= 0) && i == 0) && alloca(10 * sizeof(char)) == p) && 0 <= p) [2018-12-09 13:04:22,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-09 13:04:22,790 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d7031235-f0d4-464a-b00d-ba3f9e1355b7/bin-2019/ukojak/witness.graphml [2018-12-09 13:04:22,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:04:22,790 INFO L168 Benchmark]: Toolchain (without parser) took 12286.16 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 263.7 MB). Free memory was 952.2 MB in the beginning and 1.2 GB in the end (delta: -227.6 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:04:22,791 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:04:22,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 123.38 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-09 13:04:22,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.03 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:04:22,792 INFO L168 Benchmark]: Boogie Preprocessor took 40.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-12-09 13:04:22,792 INFO L168 Benchmark]: RCFGBuilder took 158.18 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-12-09 13:04:22,792 INFO L168 Benchmark]: CodeCheck took 11908.07 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 164.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -100.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. [2018-12-09 13:04:22,792 INFO L168 Benchmark]: Witness Printer took 34.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:04:22,794 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 7 error locations. SAFE Result, 11.6s OverallTime, 21 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3670104 SDtfs, 2720450 SDslu, 1179758 SDs, 0 SdLazy, 11569712 SolverSat, 4359096 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2097 GetRequests, 1720 SyntacticMatches, 107 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29644 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 29701 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 506/794 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 9]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 5]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 9]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant [2018-12-09 13:04:22,795 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,795 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 8]: Loop Invariant [2018-12-09 13:04:22,795 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,796 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 13:04:22,796 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,796 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 13:04:22,796 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,796 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 13:04:22,797 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,797 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 13:04:22,797 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,797 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 13:04:22,797 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 13:04:22,797 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((((\old(unknown-main_\old_#valid-unknown) == \valid[alloca(10 * sizeof(char)) := 0] && unknown-#length-unknown[p] == 10) && 1 == \valid[p]) && p <= 0) && i <= 1) && alloca(10 * sizeof(char)) == p) && 1 <= i + p) || ((((((\old(unknown-main_\old_#valid-unknown) == \valid[alloca(10 * sizeof(char)) := 0] && unknown-#length-unknown[p] == 10) && 1 < i) && 1 == \valid[p]) && p <= 0) && alloca(10 * sizeof(char)) == p) && 0 <= p)) || ((((((\old(unknown-main_\old_#valid-unknown) == \valid[alloca(10 * sizeof(char)) := 0] && unknown-#length-unknown[p] == 10) && 1 == \valid[p]) && p <= 0) && i == 0) && alloca(10 * sizeof(char)) == p) && 0 <= p) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 123.38 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.03 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 158.18 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * CodeCheck took 11908.07 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 164.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -100.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. * Witness Printer took 34.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. 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 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 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...