./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/simple_built_from_end_true-unreach-call_false-valid-memtrack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple_built_from_end_true-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/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 a16cd99b349cc6bdff463f25bc1978dcd091a75b ................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple_built_from_end_true-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/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 a16cd99b349cc6bdff463f25bc1978dcd091a75b .............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:31:52,770 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:31:52,772 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:31:52,780 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:31:52,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:31:52,781 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:31:52,782 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:31:52,784 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:31:52,785 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:31:52,785 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:31:52,786 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:31:52,786 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:31:52,787 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:31:52,788 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:31:52,788 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:31:52,789 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:31:52,790 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:31:52,791 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:31:52,793 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:31:52,794 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:31:52,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:31:52,795 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:31:52,797 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:31:52,798 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:31:52,798 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:31:52,798 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:31:52,799 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:31:52,800 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:31:52,801 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:31:52,801 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:31:52,802 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:31:52,802 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:31:52,802 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:31:52,802 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:31:52,803 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:31:52,804 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:31:52,804 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-08 16:31:52,814 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:31:52,814 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:31:52,815 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:31:52,815 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:31:52,815 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:31:52,816 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:31:52,816 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 16:31:52,816 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:31:52,816 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:31:52,816 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:31:52,816 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 16:31:52,816 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 16:31:52,816 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 16:31:52,817 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:31:52,817 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:31:52,817 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:31:52,817 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:31:52,817 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:31:52,817 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:31:52,818 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:31:52,818 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:31:52,818 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:31:52,818 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:31:52,818 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 16:31:52,818 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:31:52,818 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_8437ad6b-d1c4-4b4d-8424-a79622733ec3/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 -> a16cd99b349cc6bdff463f25bc1978dcd091a75b [2018-12-08 16:31:52,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:31:52,850 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:31:52,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:31:52,854 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:31:52,854 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:31:52,855 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/../../sv-benchmarks/c/list-properties/simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-12-08 16:31:52,894 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/data/9fbeac3be/52d76ea371d64d48af6e345a3af66b60/FLAGfa4430771 [2018-12-08 16:31:53,300 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:31:53,301 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/sv-benchmarks/c/list-properties/simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-12-08 16:31:53,306 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/data/9fbeac3be/52d76ea371d64d48af6e345a3af66b60/FLAGfa4430771 [2018-12-08 16:31:53,314 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/data/9fbeac3be/52d76ea371d64d48af6e345a3af66b60 [2018-12-08 16:31:53,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:31:53,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:31:53,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:31:53,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:31:53,319 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:31:53,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:31:53" (1/1) ... [2018-12-08 16:31:53,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89db293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:53, skipping insertion in model container [2018-12-08 16:31:53,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:31:53" (1/1) ... [2018-12-08 16:31:53,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:31:53,342 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:31:53,485 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:31:53,492 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:31:53,543 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:31:53,564 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:31:53,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:53 WrapperNode [2018-12-08 16:31:53,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:31:53,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:31:53,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:31:53,565 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:31:53,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:53" (1/1) ... [2018-12-08 16:31:53,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:53" (1/1) ... [2018-12-08 16:31:53,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:31:53,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:31:53,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:31:53,589 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:31:53,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:53" (1/1) ... [2018-12-08 16:31:53,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:53" (1/1) ... [2018-12-08 16:31:53,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:53" (1/1) ... [2018-12-08 16:31:53,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:53" (1/1) ... [2018-12-08 16:31:53,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:53" (1/1) ... [2018-12-08 16:31:53,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:53" (1/1) ... [2018-12-08 16:31:53,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:53" (1/1) ... [2018-12-08 16:31:53,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:31:53,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:31:53,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:31:53,603 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:31:53,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:31:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:31:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 16:31:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 16:31:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 16:31:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 16:31:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:31:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:31:53,786 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:31:53,786 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 16:31:53,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:31:53 BoogieIcfgContainer [2018-12-08 16:31:53,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:31:53,786 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:31:53,786 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:31:53,793 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:31:53,793 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:31:53" (1/1) ... [2018-12-08 16:31:53,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:31:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:53,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-12-08 16:31:53,824 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-12-08 16:31:53,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:31:53,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:53,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:53,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2018-12-08 16:31:53,892 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-12-08 16:31:53,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:31:53,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:53,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2018-12-08 16:31:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2018-12-08 16:31:53,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:31:53,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2018-12-08 16:31:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2018-12-08 16:31:54,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:31:54,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:54,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:54,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2018-12-08 16:31:54,081 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2018-12-08 16:31:54,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:31:54,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:54,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:54,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:54,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2018-12-08 16:31:54,200 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2018-12-08 16:31:54,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 16:31:54,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:54,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:54,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2018-12-08 16:31:54,227 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2018-12-08 16:31:54,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 16:31:54,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:54,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:54,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2018-12-08 16:31:54,261 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2018-12-08 16:31:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:31:54,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:54,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:54,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:54,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2018-12-08 16:31:54,454 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-12-08 16:31:54,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:31:54,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:54,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2018-12-08 16:31:54,593 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2018-12-08 16:31:54,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:31:54,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:54,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:54,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:54,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-12-08 16:31:54,858 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-12-08 16:31:54,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:31:54,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:54,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2018-12-08 16:31:55,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2018-12-08 16:31:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:31:55,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-12-08 16:31:55,147 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-12-08 16:31:55,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 16:31:55,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:55,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:31:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2018-12-08 16:31:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2018-12-08 16:31:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 16:31:55,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:55,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:55,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:55,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2018-12-08 16:31:55,264 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2018-12-08 16:31:55,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 16:31:55,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:55,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:55,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-12-08 16:31:55,923 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-12-08 16:31:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 16:31:55,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:31:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:31:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:31:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:31:55,979 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 16 iterations. [2018-12-08 16:31:56,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:31:56 ImpRootNode [2018-12-08 16:31:56,002 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:31:56,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:31:56,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:31:56,003 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:31:56,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:31:53" (3/4) ... [2018-12-08 16:31:56,005 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 16:31:56,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:31:56,006 INFO L168 Benchmark]: Toolchain (without parser) took 2689.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 957.1 MB in the beginning and 988.1 MB in the end (delta: -31.0 MB). Peak memory consumption was 143.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:31:56,007 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:31:56,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -111.6 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:31:56,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:31:56,008 INFO L168 Benchmark]: Boogie Preprocessor took 14.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:31:56,008 INFO L168 Benchmark]: RCFGBuilder took 182.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:31:56,009 INFO L168 Benchmark]: CodeCheck took 2215.73 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 1.0 GB in the beginning and 988.1 MB in the end (delta: 54.2 MB). Peak memory consumption was 143.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:31:56,009 INFO L168 Benchmark]: Witness Printer took 3.17 ms. Allocated memory is still 1.2 GB. Free memory is still 988.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:31:56,011 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, 27 locations, 9 error locations. UNSAFE Result, 2.1s OverallTime, 16 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 303104 SDtfs, 149712 SDslu, 167824 SDs, 0 SdLazy, 322310 SolverSat, 110526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1120 GetRequests, 1019 SyntacticMatches, 33 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1737 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 5222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 15/18 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 - UnprovableResult [Line: 626]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 626. Possible FailurePath: [L627] List t; [L628] List p = 0; [L629] COND TRUE __VERIFIER_nondet_int() [L630] t = (List) malloc(sizeof(struct node)) [L631] COND FALSE !(t == 0) [L632] t->h = 1 [L633] t->n = p [L634] p = t [L629] COND FALSE !(__VERIFIER_nondet_int()) [L636] COND TRUE p!=0 [L637] EXPR p->h [L637] COND FALSE !(p->h != 1) [L640] EXPR p->n [L640] p = p->n [L636] COND FALSE !(p!=0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -111.6 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 182.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * CodeCheck took 2215.73 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 1.0 GB in the beginning and 988.1 MB in the end (delta: 54.2 MB). Peak memory consumption was 143.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.17 ms. Allocated memory is still 1.2 GB. Free memory is still 988.1 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:31:57,285 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:31:57,286 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:31:57,292 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:31:57,292 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:31:57,293 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:31:57,293 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:31:57,294 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:31:57,295 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:31:57,296 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:31:57,296 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:31:57,296 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:31:57,297 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:31:57,297 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:31:57,298 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:31:57,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:31:57,298 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:31:57,299 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:31:57,300 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:31:57,301 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:31:57,301 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:31:57,302 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:31:57,303 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:31:57,303 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:31:57,303 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:31:57,304 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:31:57,304 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:31:57,304 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:31:57,305 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:31:57,305 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:31:57,305 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:31:57,306 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:31:57,306 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:31:57,306 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:31:57,306 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:31:57,307 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:31:57,307 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2018-12-08 16:31:57,314 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:31:57,314 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:31:57,315 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:31:57,315 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:31:57,315 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:31:57,315 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:31:57,315 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 16:31:57,315 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:31:57,315 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:31:57,316 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:31:57,316 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 16:31:57,316 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 16:31:57,316 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 16:31:57,316 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:31:57,316 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 16:31:57,316 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 16:31:57,316 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:31:57,316 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:31:57,316 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:31:57,316 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:31:57,317 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:31:57,317 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:31:57,317 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:31:57,317 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:31:57,317 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:31:57,317 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 16:31:57,317 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 16:31:57,317 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:31:57,317 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 16:31:57,317 INFO L133 SettingsManager]: * Logic for external solver=AUFBV 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_8437ad6b-d1c4-4b4d-8424-a79622733ec3/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 -> a16cd99b349cc6bdff463f25bc1978dcd091a75b [2018-12-08 16:31:57,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:31:57,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:31:57,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:31:57,344 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:31:57,345 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:31:57,345 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/../../sv-benchmarks/c/list-properties/simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-12-08 16:31:57,382 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/data/5a583297e/aef0f31183cf4e6aa1bf11ff6f9f0c24/FLAGa689d1341 [2018-12-08 16:31:57,824 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:31:57,824 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/sv-benchmarks/c/list-properties/simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-12-08 16:31:57,832 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/data/5a583297e/aef0f31183cf4e6aa1bf11ff6f9f0c24/FLAGa689d1341 [2018-12-08 16:31:57,840 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/data/5a583297e/aef0f31183cf4e6aa1bf11ff6f9f0c24 [2018-12-08 16:31:57,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:31:57,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:31:57,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:31:57,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:31:57,845 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:31:57,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:31:57" (1/1) ... [2018-12-08 16:31:57,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e74bf93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:57, skipping insertion in model container [2018-12-08 16:31:57,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:31:57" (1/1) ... [2018-12-08 16:31:57,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:31:57,876 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:31:58,033 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:31:58,041 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:31:58,066 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:31:58,123 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:31:58,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:58 WrapperNode [2018-12-08 16:31:58,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:31:58,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:31:58,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:31:58,124 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:31:58,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:58" (1/1) ... [2018-12-08 16:31:58,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:58" (1/1) ... [2018-12-08 16:31:58,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:31:58,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:31:58,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:31:58,149 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:31:58,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:58" (1/1) ... [2018-12-08 16:31:58,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:58" (1/1) ... [2018-12-08 16:31:58,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:58" (1/1) ... [2018-12-08 16:31:58,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:58" (1/1) ... [2018-12-08 16:31:58,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:58" (1/1) ... [2018-12-08 16:31:58,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:58" (1/1) ... [2018-12-08 16:31:58,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:58" (1/1) ... [2018-12-08 16:31:58,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:31:58,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:31:58,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:31:58,165 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:31:58,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:31:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8437ad6b-d1c4-4b4d-8424-a79622733ec3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:31:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:31:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 16:31:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 16:31:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 16:31:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 16:31:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:31:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:31:58,390 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:31:58,390 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 16:31:58,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:31:58 BoogieIcfgContainer [2018-12-08 16:31:58,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:31:58,391 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:31:58,391 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:31:58,397 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:31:58,398 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:31:58" (1/1) ... [2018-12-08 16:31:58,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:31:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2018-12-08 16:31:58,425 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-12-08 16:31:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:31:58,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:58,459 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:31:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:58,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:31:58,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:58,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2018-12-08 16:31:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2018-12-08 16:31:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:31:58,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:58,530 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:31:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:58,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:31:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:58,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2018-12-08 16:31:58,619 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2018-12-08 16:31:58,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:31:58,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:58,619 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:31:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:58,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:31:58,644 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 16:31:58,645 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 16:31:58,647 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:31:58,648 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-08 16:31:58,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:58,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:58,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2018-12-08 16:31:58,690 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2018-12-08 16:31:58,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:31:58,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:58,691 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:31:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:58,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:31:58,702 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 16:31:58,702 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 16:31:58,706 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:31:58,706 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 16:31:58,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:58,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:58,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-12-08 16:31:58,847 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-12-08 16:31:58,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:31:58,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:58,848 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:31:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:58,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:31:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:58,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:58,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2018-12-08 16:31:58,892 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-12-08 16:31:58,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:31:58,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:58,893 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:31:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:58,901 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:31:58,905 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 16:31:58,905 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 16:31:58,909 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:31:58,909 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 16:31:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:58,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:58,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-08 16:31:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-08 16:31:58,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 16:31:58,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:58,992 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:31:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:59,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:31:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:59,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2018-12-08 16:31:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2018-12-08 16:31:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 16:31:59,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:59,305 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:31:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:59,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:31:59,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:31:59,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:31:59,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-12-08 16:31:59,494 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-12-08 16:31:59,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 16:31:59,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:31:59,495 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:31:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:31:59,503 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:31:59,506 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 16:31:59,506 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 16:31:59,510 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:31:59,510 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 16:31:59,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:32:00,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:32:00,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2018-12-08 16:32:00,028 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2018-12-08 16:32:00,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 16:32:00,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:32:00,030 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:32:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:00,044 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:00,050 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 16:32:00,050 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 16:32:00,057 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:32:00,057 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 16:32:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:32:00,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:32:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2018-12-08 16:32:00,499 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2018-12-08 16:32:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 16:32:00,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:32:00,501 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:32:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:00,513 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:00,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:32:00,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:32:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2018-12-08 16:32:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2018-12-08 16:32:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:32:00,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:32:00,781 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:32:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:00,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:32:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:32:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2018-12-08 16:32:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2018-12-08 16:32:00,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:32:00,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:32:00,870 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:32:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:00,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:00,882 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 16:32:00,882 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 16:32:00,886 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:32:00,887 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 16:32:00,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:32:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:32:00,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2018-12-08 16:32:00,998 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2018-12-08 16:32:00,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 16:32:00,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:32:01,000 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 16:32:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:32:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:32:01,087 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2018-12-08 16:32:01,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:32:01 ImpRootNode [2018-12-08 16:32:01,109 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:32:01,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:32:01,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:32:01,110 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:32:01,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:31:58" (3/4) ... [2018-12-08 16:32:01,113 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 16:32:01,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:32:01,114 INFO L168 Benchmark]: Toolchain (without parser) took 3272.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 938.0 MB in the beginning and 1.2 GB in the end (delta: -229.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:32:01,115 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:32:01,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:01,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.47 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:01,116 INFO L168 Benchmark]: Boogie Preprocessor took 15.80 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. [2018-12-08 16:32:01,116 INFO L168 Benchmark]: RCFGBuilder took 225.71 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: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:32:01,116 INFO L168 Benchmark]: CodeCheck took 2718.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -77.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:32:01,117 INFO L168 Benchmark]: Witness Printer took 3.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:32:01,119 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, 26 locations, 9 error locations. UNSAFE Result, 2.6s OverallTime, 14 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36864 SDtfs, 33388 SDslu, 33760 SDs, 0 SdLazy, 124242 SolverSat, 42958 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 842 GetRequests, 770 SyntacticMatches, 20 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 847 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 2376 SizeOfPredicates, 23 NumberOfNonLiveVariables, 372 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 7/7 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 - UnprovableResult [Line: 626]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 626. Possible FailurePath: [L627] List t; [L628] List p = 0; [L629] COND TRUE __VERIFIER_nondet_int() [L630] t = (List) malloc(sizeof(struct node)) [L631] COND FALSE !(t == 0) [L632] t->h = 1 [L633] t->n = p [L634] p = t [L629] COND FALSE !(__VERIFIER_nondet_int()) [L636] COND TRUE p!=0 [L637] EXPR p->h [L637] COND FALSE !(p->h != 1) [L640] EXPR p->n [L640] p = p->n [L636] COND FALSE !(p!=0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.47 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.80 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. * RCFGBuilder took 225.71 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: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * CodeCheck took 2718.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -77.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...