./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/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 ded1caa2f8c25b2d12db952d692e8b8fb2437d41 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:21:34,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:34,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:34,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:34,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:34,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:34,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:34,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:34,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:34,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:34,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:34,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:34,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:34,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:34,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:34,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:34,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:34,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:34,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:34,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:34,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:34,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:34,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:34,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:34,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:34,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:34,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:34,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:34,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:34,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:34,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:34,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:34,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:34,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:34,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:34,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:34,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:34,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:34,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:34,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:34,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:34,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:21:34,813 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:34,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:34,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:34,814 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:34,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:34,814 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:34,815 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:34,815 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:34,815 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:34,815 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:34,815 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:34,816 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:34,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:21:34,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:21:34,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:34,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:34,817 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:21:34,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:34,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:34,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:34,818 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:21:34,818 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:21:34,818 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:21:34,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:34,818 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:34,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:34,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:34,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:34,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:34,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:34,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:34,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:34,820 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:34,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:34,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:34,821 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/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/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 -> ded1caa2f8c25b2d12db952d692e8b8fb2437d41 [2019-10-22 11:21:34,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:34,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:34,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:34,866 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:34,866 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:34,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/bin/utaipan/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2019-10-22 11:21:34,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/bin/utaipan/data/d169d7f32/80f06e88893a40e489533164c1c2b4d2/FLAG31493d7f5 [2019-10-22 11:21:35,323 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:35,324 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2019-10-22 11:21:35,334 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/bin/utaipan/data/d169d7f32/80f06e88893a40e489533164c1c2b4d2/FLAG31493d7f5 [2019-10-22 11:21:35,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/bin/utaipan/data/d169d7f32/80f06e88893a40e489533164c1c2b4d2 [2019-10-22 11:21:35,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:35,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:35,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:35,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:35,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:35,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:35" (1/1) ... [2019-10-22 11:21:35,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e22065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:35, skipping insertion in model container [2019-10-22 11:21:35,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:35" (1/1) ... [2019-10-22 11:21:35,686 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:35,731 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:36,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:36,107 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:36,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:36,191 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:36,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36 WrapperNode [2019-10-22 11:21:36,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:36,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:36,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:36,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:36,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:36,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:36,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:36,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:36,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... [2019-10-22 11:21:36,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:36,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:36,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:36,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:36,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/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 [2019-10-22 11:21:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:21:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:21:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:21:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:36,751 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:36,751 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-22 11:21:36,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:36 BoogieIcfgContainer [2019-10-22 11:21:36,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:36,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:36,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:36,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:36,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:35" (1/3) ... [2019-10-22 11:21:36,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bdae04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:36, skipping insertion in model container [2019-10-22 11:21:36,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:36" (2/3) ... [2019-10-22 11:21:36,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bdae04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:36, skipping insertion in model container [2019-10-22 11:21:36,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:36" (3/3) ... [2019-10-22 11:21:36,762 INFO L109 eAbstractionObserver]: Analyzing ICFG array-realloc-1.i [2019-10-22 11:21:36,773 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:36,781 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-10-22 11:21:36,795 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-10-22 11:21:36,818 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:36,818 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:21:36,818 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:36,819 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:36,819 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:36,819 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:36,819 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:36,819 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:36,835 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-10-22 11:21:36,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 11:21:36,843 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:36,844 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-10-22 11:21:36,846 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION]=== [2019-10-22 11:21:36,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:36,853 INFO L82 PathProgramCache]: Analyzing trace with hash 925644, now seen corresponding path program 1 times [2019-10-22 11:21:36,863 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:36,864 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173901459] [2019-10-22 11:21:36,864 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:36,864 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:36,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:36,990 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173901459] [2019-10-22 11:21:36,991 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:36,991 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:36,992 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157695127] [2019-10-22 11:21:36,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:36,996 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:37,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:37,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:37,009 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2019-10-22 11:21:37,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:37,050 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2019-10-22 11:21:37,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:37,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-10-22 11:21:37,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:37,061 INFO L225 Difference]: With dead ends: 24 [2019-10-22 11:21:37,061 INFO L226 Difference]: Without dead ends: 21 [2019-10-22 11:21:37,063 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:37,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-22 11:21:37,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-22 11:21:37,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-22 11:21:37,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-10-22 11:21:37,094 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 4 [2019-10-22 11:21:37,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:37,094 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-10-22 11:21:37,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-10-22 11:21:37,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 11:21:37,095 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:37,095 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 11:21:37,095 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION]=== [2019-10-22 11:21:37,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:37,096 INFO L82 PathProgramCache]: Analyzing trace with hash 28695816, now seen corresponding path program 1 times [2019-10-22 11:21:37,096 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:37,096 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370905159] [2019-10-22 11:21:37,096 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,096 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:37,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:37,136 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370905159] [2019-10-22 11:21:37,136 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:37,136 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:37,136 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537333076] [2019-10-22 11:21:37,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:37,138 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:37,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:37,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:37,138 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 3 states. [2019-10-22 11:21:37,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:37,152 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2019-10-22 11:21:37,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:37,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-10-22 11:21:37,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:37,153 INFO L225 Difference]: With dead ends: 21 [2019-10-22 11:21:37,153 INFO L226 Difference]: Without dead ends: 21 [2019-10-22 11:21:37,154 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:37,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-22 11:21:37,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-22 11:21:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-22 11:21:37,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-10-22 11:21:37,157 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 5 [2019-10-22 11:21:37,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:37,157 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-10-22 11:21:37,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:37,157 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-10-22 11:21:37,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:21:37,158 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:37,158 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:37,159 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION]=== [2019-10-22 11:21:37,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:37,159 INFO L82 PathProgramCache]: Analyzing trace with hash 179641050, now seen corresponding path program 1 times [2019-10-22 11:21:37,159 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:37,159 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488469292] [2019-10-22 11:21:37,160 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,160 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:37,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:37,192 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488469292] [2019-10-22 11:21:37,192 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:37,192 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:37,192 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257207525] [2019-10-22 11:21:37,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:37,193 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:37,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:37,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:37,194 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 3 states. [2019-10-22 11:21:37,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:37,201 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-10-22 11:21:37,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:37,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-10-22 11:21:37,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:37,202 INFO L225 Difference]: With dead ends: 20 [2019-10-22 11:21:37,203 INFO L226 Difference]: Without dead ends: 20 [2019-10-22 11:21:37,203 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:37,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-10-22 11:21:37,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-10-22 11:21:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-10-22 11:21:37,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-10-22 11:21:37,206 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 8 [2019-10-22 11:21:37,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:37,206 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-10-22 11:21:37,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-10-22 11:21:37,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:21:37,207 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:37,207 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:37,208 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION]=== [2019-10-22 11:21:37,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:37,208 INFO L82 PathProgramCache]: Analyzing trace with hash 179688781, now seen corresponding path program 1 times [2019-10-22 11:21:37,208 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:37,208 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447056198] [2019-10-22 11:21:37,208 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,209 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:37,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447056198] [2019-10-22 11:21:37,262 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:37,262 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:37,262 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125300909] [2019-10-22 11:21:37,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:37,263 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:37,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:37,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:37,264 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 5 states. [2019-10-22 11:21:37,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:37,358 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2019-10-22 11:21:37,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:37,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-10-22 11:21:37,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:37,361 INFO L225 Difference]: With dead ends: 46 [2019-10-22 11:21:37,361 INFO L226 Difference]: Without dead ends: 46 [2019-10-22 11:21:37,361 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:21:37,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-10-22 11:21:37,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 22. [2019-10-22 11:21:37,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-22 11:21:37,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2019-10-22 11:21:37,365 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 8 [2019-10-22 11:21:37,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:37,365 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2019-10-22 11:21:37,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:37,366 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2019-10-22 11:21:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:21:37,366 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:37,366 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:37,370 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION]=== [2019-10-22 11:21:37,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:37,370 INFO L82 PathProgramCache]: Analyzing trace with hash 179690703, now seen corresponding path program 1 times [2019-10-22 11:21:37,370 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:37,370 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642042881] [2019-10-22 11:21:37,371 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,371 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:37,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:37,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642042881] [2019-10-22 11:21:37,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:37,436 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:37,437 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179082303] [2019-10-22 11:21:37,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:37,437 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:37,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:37,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:37,438 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 4 states. [2019-10-22 11:21:37,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:37,488 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2019-10-22 11:21:37,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:37,489 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-10-22 11:21:37,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:37,489 INFO L225 Difference]: With dead ends: 28 [2019-10-22 11:21:37,489 INFO L226 Difference]: Without dead ends: 28 [2019-10-22 11:21:37,490 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:37,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-10-22 11:21:37,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 21. [2019-10-22 11:21:37,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-22 11:21:37,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-10-22 11:21:37,493 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 8 [2019-10-22 11:21:37,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:37,493 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-10-22 11:21:37,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:37,493 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-10-22 11:21:37,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:21:37,493 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:37,494 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:37,494 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION]=== [2019-10-22 11:21:37,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:37,494 INFO L82 PathProgramCache]: Analyzing trace with hash 179690704, now seen corresponding path program 1 times [2019-10-22 11:21:37,495 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:37,495 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026717539] [2019-10-22 11:21:37,495 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,495 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:37,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026717539] [2019-10-22 11:21:37,592 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:37,592 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:37,592 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177577109] [2019-10-22 11:21:37,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:21:37,593 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:37,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:21:37,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:21:37,593 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 6 states. [2019-10-22 11:21:37,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:37,695 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-10-22 11:21:37,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:37,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2019-10-22 11:21:37,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:37,696 INFO L225 Difference]: With dead ends: 29 [2019-10-22 11:21:37,697 INFO L226 Difference]: Without dead ends: 29 [2019-10-22 11:21:37,697 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:21:37,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-10-22 11:21:37,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 20. [2019-10-22 11:21:37,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-10-22 11:21:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2019-10-22 11:21:37,700 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 8 [2019-10-22 11:21:37,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:37,700 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2019-10-22 11:21:37,700 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:21:37,700 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2019-10-22 11:21:37,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:21:37,701 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:37,701 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:37,701 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION]=== [2019-10-22 11:21:37,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:37,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1273905326, now seen corresponding path program 1 times [2019-10-22 11:21:37,701 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:37,702 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728139794] [2019-10-22 11:21:37,702 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,702 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:37,736 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728139794] [2019-10-22 11:21:37,736 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:37,736 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:37,736 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024920053] [2019-10-22 11:21:37,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:37,737 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:37,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:37,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:37,737 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 4 states. [2019-10-22 11:21:37,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:37,752 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-10-22 11:21:37,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:37,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-10-22 11:21:37,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:37,753 INFO L225 Difference]: With dead ends: 20 [2019-10-22 11:21:37,753 INFO L226 Difference]: Without dead ends: 20 [2019-10-22 11:21:37,754 INFO L600 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 [2019-10-22 11:21:37,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-10-22 11:21:37,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-10-22 11:21:37,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-10-22 11:21:37,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-10-22 11:21:37,756 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 9 [2019-10-22 11:21:37,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:37,756 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-10-22 11:21:37,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:37,757 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-10-22 11:21:37,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 11:21:37,757 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:37,757 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:37,758 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION]=== [2019-10-22 11:21:37,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:37,758 INFO L82 PathProgramCache]: Analyzing trace with hash 316427716, now seen corresponding path program 1 times [2019-10-22 11:21:37,758 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:37,759 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090158259] [2019-10-22 11:21:37,759 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,759 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 11:21:37,803 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090158259] [2019-10-22 11:21:37,804 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:37,804 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:37,804 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348480114] [2019-10-22 11:21:37,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:37,804 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:37,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:37,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:37,805 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 3 states. [2019-10-22 11:21:37,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:37,818 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-10-22 11:21:37,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:37,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-10-22 11:21:37,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:37,819 INFO L225 Difference]: With dead ends: 19 [2019-10-22 11:21:37,819 INFO L226 Difference]: Without dead ends: 19 [2019-10-22 11:21:37,820 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:37,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-10-22 11:21:37,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-10-22 11:21:37,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-10-22 11:21:37,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-10-22 11:21:37,821 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 14 [2019-10-22 11:21:37,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:37,822 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-10-22 11:21:37,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:37,822 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-10-22 11:21:37,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 11:21:37,823 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:37,823 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:37,823 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION]=== [2019-10-22 11:21:37,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:37,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1219324678, now seen corresponding path program 1 times [2019-10-22 11:21:37,824 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:37,824 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436541462] [2019-10-22 11:21:37,824 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,824 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:37,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:21:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:21:37,936 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:21:37,937 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:21:37,950 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,951 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,952 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,952 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,953 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,953 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,953 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,953 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,954 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,954 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,954 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,955 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,955 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,955 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,956 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,956 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,956 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,957 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,957 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,957 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,958 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,958 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,959 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,959 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,959 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,960 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,960 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,961 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,961 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,961 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,963 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,963 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,964 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,964 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,964 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,965 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,965 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,965 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,965 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,966 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,966 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,967 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:37 BoogieIcfgContainer [2019-10-22 11:21:37,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:37,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:37,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:37,993 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:37,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:36" (3/4) ... [2019-10-22 11:21:37,995 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:21:37,996 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,997 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,997 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,997 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,997 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,998 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,998 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,998 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,998 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,998 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,999 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,999 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:37,999 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:37,999 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,000 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,000 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,000 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,000 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2019-10-22 11:21:38,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2019-10-22 11:21:38,057 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7542d9ea-6b2f-4df7-b29d-5a48ad62474c/bin/utaipan/witness.graphml [2019-10-22 11:21:38,060 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:38,062 INFO L168 Benchmark]: Toolchain (without parser) took 2392.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 939.2 MB in the beginning and 990.6 MB in the end (delta: -51.4 MB). Peak memory consumption was 91.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:38,063 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:38,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:38,064 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:38,064 INFO L168 Benchmark]: Boogie Preprocessor took 27.01 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:38,065 INFO L168 Benchmark]: RCFGBuilder took 485.93 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:38,065 INFO L168 Benchmark]: TraceAbstraction took 1238.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.9 MB in the end (delta: 102.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:38,066 INFO L168 Benchmark]: Witness Printer took 67.68 ms. Allocated memory is still 1.2 GB. Free memory was 995.9 MB in the beginning and 990.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:38,076 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 521.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.36 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 27.01 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 485.93 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1238.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.9 MB in the end (delta: 102.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. * Witness Printer took 67.68 ms. Allocated memory is still 1.2 GB. Free memory was 995.9 MB in the beginning and 990.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 580]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L556] int num; [L557] int ind, newsize, i = 1; VAL [i=1, ind=0, newsize=0, num=0] [L570] num = __VERIFIER_nondet_int() [L571] COND FALSE !(!(num > 0 && num < 100)) [L574] int *a = (int *)malloc(sizeof(int)); VAL [i=1, ind=0, newsize=0, num=1] [L575] COND FALSE !(a == ((void *)0)) [L578] newsize = 0 [L559] int *a = (int *)arg; VAL [i=1, ind=0, newsize=0, num=1] [L560] COND TRUE newsize < num [L561] newsize = newsize + 1 [L562] int *b = ((void *)0); [L563] b = realloc(a, sizeof(int) * newsize) [L564] b[newsize - 1] = i VAL [i=1, ind=0, newsize=1, num=1] [L565] a = b VAL [i=1, ind=0, newsize=1, num=1] [L560] COND FALSE !(newsize < num) VAL [i=1, ind=0, newsize=1, num=1] [L567] return 0; VAL [i=1, ind=0, newsize=1, num=1] [L580] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L580] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L580] free(a) VAL [i=1, ind=0, newsize=1, num=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 6 error locations. Result: UNSAFE, OverallTime: 1.1s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 152 SDtfs, 199 SDslu, 105 SDs, 0 SdLazy, 122 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 8 MinimizatonAttempts, 40 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 1555 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 1/1 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 proved your program to be incorrect! Received shutdown request...