./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0158-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e7174a28ac52b04ed4de9f759628aa0f94f2add ............................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e7174a28ac52b04ed4de9f759628aa0f94f2add .............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 21:00:19,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:00:19,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:00:19,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:00:19,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:00:19,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:00:19,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:00:19,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:00:19,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:00:19,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:00:19,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:00:19,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:00:19,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:00:19,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:00:19,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:00:19,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:00:19,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:00:19,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:00:19,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:00:19,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:00:19,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:00:19,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:00:19,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:00:19,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:00:19,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:00:19,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:00:19,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:00:19,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:00:19,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:00:19,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:00:19,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:00:19,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:00:19,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:00:19,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:00:19,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:00:19,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:00:19,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:00:19,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:00:19,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:00:19,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:00:19,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:00:19,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-12-07 21:00:19,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:00:19,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:00:19,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:00:19,428 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:00:19,428 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:00:19,428 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:00:19,428 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:00:19,429 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:00:19,429 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:00:19,429 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:00:19,429 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:00:19,429 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:00:19,429 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:00:19,429 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:00:19,429 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:00:19,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 21:00:19,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 21:00:19,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:00:19,430 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:00:19,430 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 21:00:19,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:00:19,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:00:19,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:00:19,431 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 21:00:19,431 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 21:00:19,431 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 21:00:19,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:00:19,431 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:00:19,431 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:00:19,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:00:19,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:00:19,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:00:19,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:00:19,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:00:19,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:00:19,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:00:19,432 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:00:19,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:00:19,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:00:19,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:00:19,433 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan 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 -> Taipan 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 -> 0e7174a28ac52b04ed4de9f759628aa0f94f2add [2019-12-07 21:00:19,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:00:19,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:00:19,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:00:19,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:00:19,547 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:00:19,547 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/../../sv-benchmarks/c/memsafety/test-0158-2.i [2019-12-07 21:00:19,585 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/data/7ea48a550/c6a361cb372e4f239bfb77123e377e83/FLAG4051a8dc9 [2019-12-07 21:00:19,953 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:00:19,954 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/sv-benchmarks/c/memsafety/test-0158-2.i [2019-12-07 21:00:19,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/data/7ea48a550/c6a361cb372e4f239bfb77123e377e83/FLAG4051a8dc9 [2019-12-07 21:00:20,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/data/7ea48a550/c6a361cb372e4f239bfb77123e377e83 [2019-12-07 21:00:20,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:00:20,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:00:20,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:00:20,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:00:20,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:00:20,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:00:20" (1/1) ... [2019-12-07 21:00:20,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c3004e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:20, skipping insertion in model container [2019-12-07 21:00:20,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:00:20" (1/1) ... [2019-12-07 21:00:20,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:00:20,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:00:20,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:00:20,569 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:00:20,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:00:20,630 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:00:20,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:20 WrapperNode [2019-12-07 21:00:20,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:00:20,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:00:20,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:00:20,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:00:20,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:20" (1/1) ... [2019-12-07 21:00:20,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:20" (1/1) ... [2019-12-07 21:00:20,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:00:20,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:00:20,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:00:20,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:00:20,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:20" (1/1) ... [2019-12-07 21:00:20,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:20" (1/1) ... [2019-12-07 21:00:20,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:20" (1/1) ... [2019-12-07 21:00:20,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:20" (1/1) ... [2019-12-07 21:00:20,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:20" (1/1) ... [2019-12-07 21:00:20,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:20" (1/1) ... [2019-12-07 21:00:20,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:20" (1/1) ... [2019-12-07 21:00:20,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:00:20,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:00:20,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:00:20,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:00:20,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-12-07 21:00:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 21:00:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 21:00:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 21:00:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:00:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 21:00:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:00:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:00:20,909 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:00:20,910 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 21:00:20,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:00:20 BoogieIcfgContainer [2019-12-07 21:00:20,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:00:20,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:00:20,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:00:20,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:00:20,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:00:20" (1/3) ... [2019-12-07 21:00:20,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bda902d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:00:20, skipping insertion in model container [2019-12-07 21:00:20,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:20" (2/3) ... [2019-12-07 21:00:20,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bda902d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:00:20, skipping insertion in model container [2019-12-07 21:00:20,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:00:20" (3/3) ... [2019-12-07 21:00:20,915 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2019-12-07 21:00:20,921 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:00:20,925 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-12-07 21:00:20,933 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-07 21:00:20,946 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:00:20,946 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 21:00:20,946 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:00:20,946 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:00:20,946 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:00:20,946 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:00:20,946 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:00:20,946 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:00:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-12-07 21:00:20,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-07 21:00:20,959 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:00:20,959 INFO L410 BasicCegarLoop]: trace histogram [1, 1] [2019-12-07 21:00:20,959 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2019-12-07 21:00:20,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:00:20,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1492, now seen corresponding path program 1 times [2019-12-07 21:00:20,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:00:20,969 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984595068] [2019-12-07 21:00:20,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:00:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:00:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:00:21,073 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984595068] [2019-12-07 21:00:21,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:00:21,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 21:00:21,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523055446] [2019-12-07 21:00:21,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:00:21,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 21:00:21,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:00:21,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:00:21,087 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. [2019-12-07 21:00:21,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:00:21,114 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2019-12-07 21:00:21,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:00:21,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-12-07 21:00:21,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:00:21,121 INFO L225 Difference]: With dead ends: 10 [2019-12-07 21:00:21,121 INFO L226 Difference]: Without dead ends: 9 [2019-12-07 21:00:21,122 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:00:21,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-12-07 21:00:21,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-12-07 21:00:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 21:00:21,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2019-12-07 21:00:21,142 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 2 [2019-12-07 21:00:21,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:00:21,142 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2019-12-07 21:00:21,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:00:21,142 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2019-12-07 21:00:21,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-07 21:00:21,142 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:00:21,142 INFO L410 BasicCegarLoop]: trace histogram [1, 1] [2019-12-07 21:00:21,143 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2019-12-07 21:00:21,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:00:21,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1493, now seen corresponding path program 1 times [2019-12-07 21:00:21,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:00:21,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167426057] [2019-12-07 21:00:21,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:00:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:00:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:00:21,171 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167426057] [2019-12-07 21:00:21,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:00:21,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 21:00:21,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049150933] [2019-12-07 21:00:21,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:00:21,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 21:00:21,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:00:21,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:00:21,173 INFO L87 Difference]: Start difference. First operand 9 states and 8 transitions. Second operand 3 states. [2019-12-07 21:00:21,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:00:21,185 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-12-07 21:00:21,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:00:21,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-12-07 21:00:21,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:00:21,186 INFO L225 Difference]: With dead ends: 6 [2019-12-07 21:00:21,186 INFO L226 Difference]: Without dead ends: 6 [2019-12-07 21:00:21,186 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:00:21,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-12-07 21:00:21,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-12-07 21:00:21,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 21:00:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2019-12-07 21:00:21,188 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 2 [2019-12-07 21:00:21,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:00:21,188 INFO L462 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2019-12-07 21:00:21,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:00:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2019-12-07 21:00:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 21:00:21,188 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:00:21,189 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 21:00:21,189 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2019-12-07 21:00:21,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:00:21,189 INFO L82 PathProgramCache]: Analyzing trace with hash 44424719, now seen corresponding path program 1 times [2019-12-07 21:00:21,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:00:21,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782791074] [2019-12-07 21:00:21,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:00:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:00:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:00:21,244 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 21:00:21,244 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 21:00:21,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:00:21 BoogieIcfgContainer [2019-12-07 21:00:21,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:00:21,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:00:21,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:00:21,257 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:00:21,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:00:20" (3/4) ... [2019-12-07 21:00:21,259 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 21:00:21,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:00:21,261 INFO L168 Benchmark]: Toolchain (without parser) took 929.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 946.2 MB in the beginning and 1.0 GB in the end (delta: -96.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:00:21,261 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:00:21,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:00:21,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:00:21,262 INFO L168 Benchmark]: Boogie Preprocessor took 19.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:00:21,262 INFO L168 Benchmark]: RCFGBuilder took 222.84 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:00:21,263 INFO L168 Benchmark]: TraceAbstraction took 344.98 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:00:21,263 INFO L168 Benchmark]: Witness Printer took 2.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:00:21,265 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.52 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 19.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 222.84 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 344.98 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 512]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 512. Possible FailurePath: [L514-L521] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L522] data.p0 = malloc(37U) [L523] data.str.p2 = &data [L524] data.str.c[1] = sizeof data.str.p1 [L525] return 0; [L525] return 0; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 7 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 7 SDslu, 1 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 21:00:22,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:00:22,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:00:22,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:00:22,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:00:22,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:00:22,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:00:22,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:00:22,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:00:22,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:00:22,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:00:22,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:00:22,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:00:22,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:00:22,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:00:22,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:00:22,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:00:22,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:00:22,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:00:22,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:00:22,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:00:22,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:00:22,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:00:22,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:00:22,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:00:22,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:00:22,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:00:22,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:00:22,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:00:22,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:00:22,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:00:22,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:00:22,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:00:22,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:00:22,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:00:22,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:00:22,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:00:22,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:00:22,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:00:22,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:00:22,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:00:22,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-12-07 21:00:22,658 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:00:22,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:00:22,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:00:22,659 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:00:22,659 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:00:22,659 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:00:22,659 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:00:22,660 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:00:22,660 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:00:22,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 21:00:22,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 21:00:22,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:00:22,661 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:00:22,661 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 21:00:22,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:00:22,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:00:22,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:00:22,661 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 21:00:22,661 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 21:00:22,661 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 21:00:22,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:00:22,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:00:22,662 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:00:22,662 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:00:22,662 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:00:22,662 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:00:22,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:00:22,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:00:22,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:00:22,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:00:22,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:00:22,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:00:22,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:00:22,663 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:00:22,663 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:00:22,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:00:22,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:00:22,664 INFO L138 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/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan 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 -> Taipan 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 -> 0e7174a28ac52b04ed4de9f759628aa0f94f2add [2019-12-07 21:00:22,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:00:22,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:00:22,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:00:22,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:00:22,844 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:00:22,844 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/../../sv-benchmarks/c/memsafety/test-0158-2.i [2019-12-07 21:00:22,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/data/f77463371/55b1544863424c34bb12f42843f66daf/FLAGfc37c94e8 [2019-12-07 21:00:23,313 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:00:23,314 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/sv-benchmarks/c/memsafety/test-0158-2.i [2019-12-07 21:00:23,323 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/data/f77463371/55b1544863424c34bb12f42843f66daf/FLAGfc37c94e8 [2019-12-07 21:00:23,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/data/f77463371/55b1544863424c34bb12f42843f66daf [2019-12-07 21:00:23,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:00:23,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:00:23,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:00:23,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:00:23,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:00:23,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:00:23" (1/1) ... [2019-12-07 21:00:23,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5772f275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:23, skipping insertion in model container [2019-12-07 21:00:23,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:00:23" (1/1) ... [2019-12-07 21:00:23,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:00:23,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:00:23,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:00:23,866 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:00:23,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:00:23,967 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:00:23,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:23 WrapperNode [2019-12-07 21:00:23,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:00:23,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:00:23,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:00:23,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:00:23,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:23" (1/1) ... [2019-12-07 21:00:23,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:23" (1/1) ... [2019-12-07 21:00:23,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:00:23,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:00:23,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:00:23,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:00:24,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:23" (1/1) ... [2019-12-07 21:00:24,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:23" (1/1) ... [2019-12-07 21:00:24,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:23" (1/1) ... [2019-12-07 21:00:24,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:23" (1/1) ... [2019-12-07 21:00:24,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:23" (1/1) ... [2019-12-07 21:00:24,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:23" (1/1) ... [2019-12-07 21:00:24,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:23" (1/1) ... [2019-12-07 21:00:24,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:00:24,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:00:24,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:00:24,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:00:24,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-12-07 21:00:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 21:00:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 21:00:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:00:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 21:00:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 21:00:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:00:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:00:24,227 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:00:24,228 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 21:00:24,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:00:24 BoogieIcfgContainer [2019-12-07 21:00:24,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:00:24,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:00:24,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:00:24,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:00:24,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:00:23" (1/3) ... [2019-12-07 21:00:24,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73502ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:00:24, skipping insertion in model container [2019-12-07 21:00:24,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:00:23" (2/3) ... [2019-12-07 21:00:24,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73502ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:00:24, skipping insertion in model container [2019-12-07 21:00:24,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:00:24" (3/3) ... [2019-12-07 21:00:24,234 INFO L109 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2019-12-07 21:00:24,241 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:00:24,245 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-12-07 21:00:24,252 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-07 21:00:24,264 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:00:24,264 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 21:00:24,265 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:00:24,265 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:00:24,265 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:00:24,265 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:00:24,265 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:00:24,265 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:00:24,273 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-12-07 21:00:24,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 21:00:24,278 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:00:24,278 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 21:00:24,278 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2019-12-07 21:00:24,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:00:24,282 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2019-12-07 21:00:24,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:00:24,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192615095] [2019-12-07 21:00:24,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 21:00:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:00:24,332 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:00:24,335 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:00:24,386 INFO L343 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-12-07 21:00:24,387 INFO L377 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 1 case distinctions, treesize of input 9 treesize of output 11 [2019-12-07 21:00:24,387 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 21:00:24,393 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 21:00:24,395 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 21:00:24,396 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2019-12-07 21:00:24,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:00:24,411 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:00:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:00:24,417 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192615095] [2019-12-07 21:00:24,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:00:24,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:00:24,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695092234] [2019-12-07 21:00:24,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:00:24,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:00:24,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:00:24,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:00:24,432 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 3 states. [2019-12-07 21:00:24,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:00:24,485 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-12-07 21:00:24,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:00:24,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-07 21:00:24,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:00:24,495 INFO L225 Difference]: With dead ends: 13 [2019-12-07 21:00:24,496 INFO L226 Difference]: Without dead ends: 11 [2019-12-07 21:00:24,497 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:00:24,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-12-07 21:00:24,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-07 21:00:24,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 21:00:24,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2019-12-07 21:00:24,523 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 3 [2019-12-07 21:00:24,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:00:24,523 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2019-12-07 21:00:24,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:00:24,523 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2019-12-07 21:00:24,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 21:00:24,524 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:00:24,524 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 21:00:24,724 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:00:24,725 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2019-12-07 21:00:24,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:00:24,725 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2019-12-07 21:00:24,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:00:24,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513227591] [2019-12-07 21:00:24,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 21:00:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:00:24,778 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 21:00:24,779 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:00:24,788 INFO L430 ElimStorePlain]: Different costs {0=[|v_#length_11|], 1=[|v_#valid_18|]} [2019-12-07 21:00:24,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 21:00:24,794 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-12-07 21:00:24,794 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 21:00:24,802 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 21:00:24,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 21:00:24,809 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-12-07 21:00:24,809 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 21:00:24,816 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 21:00:24,817 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 21:00:24,817 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:14 [2019-12-07 21:00:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:00:24,828 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:00:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:00:24,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513227591] [2019-12-07 21:00:24,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:00:24,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 21:00:24,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199904423] [2019-12-07 21:00:24,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:00:24,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:00:24,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:00:24,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:00:24,878 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand 4 states. [2019-12-07 21:00:24,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:00:24,915 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-12-07 21:00:24,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:00:24,916 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-12-07 21:00:24,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:00:24,917 INFO L225 Difference]: With dead ends: 8 [2019-12-07 21:00:24,917 INFO L226 Difference]: Without dead ends: 8 [2019-12-07 21:00:24,917 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:00:24,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-12-07 21:00:24,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-12-07 21:00:24,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 21:00:24,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2019-12-07 21:00:24,919 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 3 [2019-12-07 21:00:24,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:00:24,919 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2019-12-07 21:00:24,919 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:00:24,919 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2019-12-07 21:00:24,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 21:00:24,919 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:00:24,920 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:00:25,120 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:00:25,120 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2019-12-07 21:00:25,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:00:25,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1803026981, now seen corresponding path program 1 times [2019-12-07 21:00:25,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:00:25,122 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [689878327] [2019-12-07 21:00:25,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e3bb73d-2ae5-4287-a563-2738b8f8bca3/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 21:00:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:00:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:00:25,234 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 21:00:25,234 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 21:00:25,434 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:00:25,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:00:25 BoogieIcfgContainer [2019-12-07 21:00:25,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:00:25,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:00:25,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:00:25,451 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:00:25,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:00:24" (3/4) ... [2019-12-07 21:00:25,453 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 21:00:25,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:00:25,455 INFO L168 Benchmark]: Toolchain (without parser) took 1793.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -57.9 MB). Peak memory consumption was 72.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:00:25,455 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:00:25,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:00:25,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:00:25,456 INFO L168 Benchmark]: Boogie Preprocessor took 17.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:00:25,456 INFO L168 Benchmark]: RCFGBuilder took 213.21 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: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:00:25,457 INFO L168 Benchmark]: TraceAbstraction took 1220.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:00:25,457 INFO L168 Benchmark]: Witness Printer took 3.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:00:25,459 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 213.21 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: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1220.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 512]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 512. Possible FailurePath: [L514-L521] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L522] data.p0 = malloc(37U) [L523] data.str.p2 = &data [L524] data.str.c[1] = sizeof data.str.p1 [L525] return 0; [L525] return 0; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 7 error locations. Result: UNSAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 9 SDslu, 5 SDs, 0 SdLazy, 17 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 1 QuantifiedInterpolants, 100 SizeOfPredicates, 5 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...