./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all.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_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/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 ed4d18349810257ce078dfe4f08b9b953ed4516f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/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 ed4d18349810257ce078dfe4f08b9b953ed4516f ...................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort FloatRoundingMode not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:27,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:27,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:27,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:27,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:27,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:27,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:27,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:27,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:27,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:27,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:27,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:27,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:27,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:27,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:27,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:27,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:27,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:27,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:27,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:27,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:27,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:27,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:27,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:27,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:27,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:27,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:27,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:27,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:27,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:27,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:27,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:27,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:27,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:27,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:27,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:27,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:27,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:27,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:27,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:27,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:27,189 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:22:27,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:27,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:27,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:27,210 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:27,210 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:27,210 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:27,210 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:27,211 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:27,211 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:27,211 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:27,211 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:27,211 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:27,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:22:27,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:22:27,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:27,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:27,213 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:22:27,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:27,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:27,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:27,213 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:22:27,213 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:22:27,214 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:22:27,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:27,214 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:27,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:27,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:27,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:27,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:27,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:27,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:27,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:27,216 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:27,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:27,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:27,216 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_b29d573c-2e4f-452c-92d3-7c7f259c5583/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 -> ed4d18349810257ce078dfe4f08b9b953ed4516f [2019-10-22 11:22:27,246 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:27,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:27,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:27,263 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:27,263 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:27,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/../../sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-10-22 11:22:27,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/data/129513b73/e1395b9efd674580b1cef29c85f9886b/FLAGb66d0b8ec [2019-10-22 11:22:27,801 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:27,802 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-10-22 11:22:27,811 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/data/129513b73/e1395b9efd674580b1cef29c85f9886b/FLAGb66d0b8ec [2019-10-22 11:22:28,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/data/129513b73/e1395b9efd674580b1cef29c85f9886b [2019-10-22 11:22:28,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:28,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:28,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:28,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:28,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:28,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42348576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28, skipping insertion in model container [2019-10-22 11:22:28,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,308 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:28,346 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:28,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:28,709 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:28,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:28,786 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:28,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28 WrapperNode [2019-10-22 11:22:28,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:28,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:28,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:28,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:28,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:28,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:28,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:28,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:28,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... [2019-10-22 11:22:28,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:28,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:28,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:28,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:28,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/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 11:22:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:22:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:22:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:22:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:22:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:22:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:29,437 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:29,438 INFO L284 CfgBuilder]: Removed 26 assume(true) statements. [2019-10-22 11:22:29,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:29 BoogieIcfgContainer [2019-10-22 11:22:29,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:29,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:29,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:29,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:29,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:28" (1/3) ... [2019-10-22 11:22:29,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a9efdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:29, skipping insertion in model container [2019-10-22 11:22:29,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:28" (2/3) ... [2019-10-22 11:22:29,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a9efdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:29, skipping insertion in model container [2019-10-22 11:22:29,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:29" (3/3) ... [2019-10-22 11:22:29,445 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2c_update_all.i [2019-10-22 11:22:29,454 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:29,461 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 39 error locations. [2019-10-22 11:22:29,471 INFO L249 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2019-10-22 11:22:29,490 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:29,491 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:22:29,491 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:29,494 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:29,494 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:29,494 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:29,494 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:29,494 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:29,512 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2019-10-22 11:22:29,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 11:22:29,518 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:29,518 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-10-22 11:22:29,520 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:22:29,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:29,525 INFO L82 PathProgramCache]: Analyzing trace with hash 925702, now seen corresponding path program 1 times [2019-10-22 11:22:29,534 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:29,534 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467273200] [2019-10-22 11:22:29,534 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:29,534 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:29,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:29,649 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 11:22:29,650 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467273200] [2019-10-22 11:22:29,650 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:29,651 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:29,651 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861918415] [2019-10-22 11:22:29,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:29,656 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:29,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:29,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:29,673 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 3 states. [2019-10-22 11:22:29,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:29,796 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2019-10-22 11:22:29,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:29,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-10-22 11:22:29,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:29,806 INFO L225 Difference]: With dead ends: 114 [2019-10-22 11:22:29,807 INFO L226 Difference]: Without dead ends: 107 [2019-10-22 11:22:29,808 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 11:22:29,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-22 11:22:29,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 87. [2019-10-22 11:22:29,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-22 11:22:29,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 94 transitions. [2019-10-22 11:22:29,841 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 94 transitions. Word has length 4 [2019-10-22 11:22:29,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:29,842 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 94 transitions. [2019-10-22 11:22:29,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:29,842 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2019-10-22 11:22:29,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 11:22:29,842 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:29,842 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-10-22 11:22:29,843 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:22:29,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:29,843 INFO L82 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2019-10-22 11:22:29,843 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:29,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710628232] [2019-10-22 11:22:29,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:29,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:29,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:29,890 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 11:22:29,890 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710628232] [2019-10-22 11:22:29,890 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:29,891 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:29,891 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36831745] [2019-10-22 11:22:29,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:29,892 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:29,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:29,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:29,893 INFO L87 Difference]: Start difference. First operand 87 states and 94 transitions. Second operand 3 states. [2019-10-22 11:22:30,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:30,015 INFO L93 Difference]: Finished difference Result 81 states and 88 transitions. [2019-10-22 11:22:30,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:30,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-10-22 11:22:30,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:30,018 INFO L225 Difference]: With dead ends: 81 [2019-10-22 11:22:30,018 INFO L226 Difference]: Without dead ends: 81 [2019-10-22 11:22:30,019 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 11:22:30,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-10-22 11:22:30,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-10-22 11:22:30,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-10-22 11:22:30,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2019-10-22 11:22:30,027 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 4 [2019-10-22 11:22:30,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:30,027 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2019-10-22 11:22:30,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:30,028 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2019-10-22 11:22:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:22:30,028 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:30,028 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:30,028 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:22:30,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:30,029 INFO L82 PathProgramCache]: Analyzing trace with hash 613332465, now seen corresponding path program 1 times [2019-10-22 11:22:30,029 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:30,029 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503308289] [2019-10-22 11:22:30,029 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,029 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:30,083 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 11:22:30,083 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503308289] [2019-10-22 11:22:30,084 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:30,084 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:30,084 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435324071] [2019-10-22 11:22:30,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:30,084 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:30,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:30,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:30,085 INFO L87 Difference]: Start difference. First operand 81 states and 88 transitions. Second operand 3 states. [2019-10-22 11:22:30,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:30,098 INFO L93 Difference]: Finished difference Result 96 states and 104 transitions. [2019-10-22 11:22:30,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:30,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-10-22 11:22:30,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:30,100 INFO L225 Difference]: With dead ends: 96 [2019-10-22 11:22:30,100 INFO L226 Difference]: Without dead ends: 96 [2019-10-22 11:22:30,101 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 11:22:30,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-22 11:22:30,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 82. [2019-10-22 11:22:30,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-22 11:22:30,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 89 transitions. [2019-10-22 11:22:30,106 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 89 transitions. Word has length 10 [2019-10-22 11:22:30,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:30,106 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 89 transitions. [2019-10-22 11:22:30,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:30,107 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2019-10-22 11:22:30,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:22:30,107 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:30,107 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:30,108 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:22:30,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:30,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1103137848, now seen corresponding path program 1 times [2019-10-22 11:22:30,108 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:30,108 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789417777] [2019-10-22 11:22:30,108 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,109 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:30,216 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 11:22:30,216 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789417777] [2019-10-22 11:22:30,216 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:30,217 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:30,217 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538641741] [2019-10-22 11:22:30,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:30,217 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:30,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:30,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:30,218 INFO L87 Difference]: Start difference. First operand 82 states and 89 transitions. Second operand 5 states. [2019-10-22 11:22:30,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:30,372 INFO L93 Difference]: Finished difference Result 107 states and 114 transitions. [2019-10-22 11:22:30,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:30,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-10-22 11:22:30,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:30,373 INFO L225 Difference]: With dead ends: 107 [2019-10-22 11:22:30,373 INFO L226 Difference]: Without dead ends: 107 [2019-10-22 11:22:30,374 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 11:22:30,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-22 11:22:30,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 81. [2019-10-22 11:22:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-10-22 11:22:30,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2019-10-22 11:22:30,378 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 16 [2019-10-22 11:22:30,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:30,379 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2019-10-22 11:22:30,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:30,379 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2019-10-22 11:22:30,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:22:30,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:30,379 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:30,380 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:22:30,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:30,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1103137849, now seen corresponding path program 1 times [2019-10-22 11:22:30,380 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:30,380 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240636819] [2019-10-22 11:22:30,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:30,479 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 11:22:30,479 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240636819] [2019-10-22 11:22:30,479 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:30,480 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:30,480 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032131007] [2019-10-22 11:22:30,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:30,480 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:30,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:30,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:30,481 INFO L87 Difference]: Start difference. First operand 81 states and 88 transitions. Second operand 5 states. [2019-10-22 11:22:30,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:30,631 INFO L93 Difference]: Finished difference Result 86 states and 93 transitions. [2019-10-22 11:22:30,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:30,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-10-22 11:22:30,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:30,633 INFO L225 Difference]: With dead ends: 86 [2019-10-22 11:22:30,633 INFO L226 Difference]: Without dead ends: 86 [2019-10-22 11:22:30,633 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 11:22:30,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-10-22 11:22:30,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80. [2019-10-22 11:22:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-10-22 11:22:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2019-10-22 11:22:30,642 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 16 [2019-10-22 11:22:30,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:30,642 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2019-10-22 11:22:30,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2019-10-22 11:22:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:22:30,643 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:30,643 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:30,643 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:22:30,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:30,644 INFO L82 PathProgramCache]: Analyzing trace with hash -741449383, now seen corresponding path program 1 times [2019-10-22 11:22:30,644 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:30,644 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346458626] [2019-10-22 11:22:30,644 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,644 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:30,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:30,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:30,819 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346458626] [2019-10-22 11:22:30,819 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:30,819 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:22:30,819 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282805495] [2019-10-22 11:22:30,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:22:30,820 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:30,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:22:30,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:22:30,820 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand 7 states. [2019-10-22 11:22:31,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:31,019 INFO L93 Difference]: Finished difference Result 111 states and 119 transitions. [2019-10-22 11:22:31,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:31,020 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-10-22 11:22:31,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:31,020 INFO L225 Difference]: With dead ends: 111 [2019-10-22 11:22:31,021 INFO L226 Difference]: Without dead ends: 111 [2019-10-22 11:22:31,021 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:31,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-22 11:22:31,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 89. [2019-10-22 11:22:31,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-10-22 11:22:31,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 98 transitions. [2019-10-22 11:22:31,027 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 98 transitions. Word has length 18 [2019-10-22 11:22:31,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:31,027 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 98 transitions. [2019-10-22 11:22:31,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:22:31,028 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2019-10-22 11:22:31,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:22:31,028 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:31,028 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:31,029 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:22:31,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:31,029 INFO L82 PathProgramCache]: Analyzing trace with hash -741449382, now seen corresponding path program 1 times [2019-10-22 11:22:31,029 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:31,029 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912312999] [2019-10-22 11:22:31,029 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,030 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:31,147 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 11:22:31,147 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912312999] [2019-10-22 11:22:31,147 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:31,148 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:31,148 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638912067] [2019-10-22 11:22:31,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:31,148 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:31,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:31,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:31,149 INFO L87 Difference]: Start difference. First operand 89 states and 98 transitions. Second operand 5 states. [2019-10-22 11:22:31,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:31,284 INFO L93 Difference]: Finished difference Result 90 states and 98 transitions. [2019-10-22 11:22:31,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:31,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-10-22 11:22:31,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:31,285 INFO L225 Difference]: With dead ends: 90 [2019-10-22 11:22:31,285 INFO L226 Difference]: Without dead ends: 90 [2019-10-22 11:22:31,286 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 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 11:22:31,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-22 11:22:31,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 89. [2019-10-22 11:22:31,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-10-22 11:22:31,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2019-10-22 11:22:31,290 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 18 [2019-10-22 11:22:31,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:31,290 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2019-10-22 11:22:31,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:31,290 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2019-10-22 11:22:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:22:31,291 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:31,291 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:31,291 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:22:31,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:31,292 INFO L82 PathProgramCache]: Analyzing trace with hash 431868768, now seen corresponding path program 1 times [2019-10-22 11:22:31,292 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:31,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888109226] [2019-10-22 11:22:31,292 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,293 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:31,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:31,354 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888109226] [2019-10-22 11:22:31,354 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:31,354 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:22:31,354 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983428797] [2019-10-22 11:22:31,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:31,355 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:31,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:31,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:31,356 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand 6 states. [2019-10-22 11:22:31,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:31,476 INFO L93 Difference]: Finished difference Result 90 states and 97 transitions. [2019-10-22 11:22:31,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:31,476 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-10-22 11:22:31,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:31,477 INFO L225 Difference]: With dead ends: 90 [2019-10-22 11:22:31,477 INFO L226 Difference]: Without dead ends: 90 [2019-10-22 11:22:31,478 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:22:31,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-22 11:22:31,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 89. [2019-10-22 11:22:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-10-22 11:22:31,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 96 transitions. [2019-10-22 11:22:31,494 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 96 transitions. Word has length 20 [2019-10-22 11:22:31,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:31,494 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 96 transitions. [2019-10-22 11:22:31,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:31,495 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2019-10-22 11:22:31,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 11:22:31,495 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:31,495 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:31,496 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:22:31,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:31,496 INFO L82 PathProgramCache]: Analyzing trace with hash 498265101, now seen corresponding path program 1 times [2019-10-22 11:22:31,496 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:31,496 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726035236] [2019-10-22 11:22:31,496 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,496 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:31,548 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726035236] [2019-10-22 11:22:31,548 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982567824] [2019-10-22 11:22:31,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:31,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:22:31,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:31,648 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:31,700 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:31,700 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 16 [2019-10-22 11:22:31,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:22:31,703 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:31,704 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:31,705 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:22:31,705 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:3 [2019-10-22 11:22:31,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:31,708 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1455503534] [2019-10-22 11:22:31,719 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 22 [2019-10-22 11:22:31,769 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:22:31,769 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:22:32,064 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:32,064 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info IMPLEMENTATION at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.getBoogieVar(NonrelationalStatementProcessor.java:348) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleHavocStatement(NonrelationalStatementProcessor.java:325) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.restoreOriginalStateVariables(PoormanCachedPostOperation.java:322) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:120) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.(CegarAbsIntRunner.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.getOrConstructRunner(IpTcStrategyModuleAbstractInterpretation.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:22:32,069 INFO L168 Benchmark]: Toolchain (without parser) took 3778.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 940.5 MB in the beginning and 838.9 MB in the end (delta: 101.6 MB). Peak memory consumption was 259.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:32,069 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:32,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:32,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.22 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 11:22:32,070 INFO L168 Benchmark]: Boogie Preprocessor took 35.08 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 11:22:32,070 INFO L168 Benchmark]: RCFGBuilder took 566.36 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: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:32,071 INFO L168 Benchmark]: TraceAbstraction took 2628.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 838.9 MB in the end (delta: 249.2 MB). Peak memory consumption was 249.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:32,072 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 494.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.22 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 35.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 566.36 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: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2628.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 838.9 MB in the end (delta: 249.2 MB). Peak memory consumption was 249.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:34,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:34,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:34,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:34,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:34,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:34,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:34,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:34,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:34,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:34,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:34,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:34,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:34,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:34,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:34,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:34,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:34,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:34,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:34,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:34,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:34,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:34,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:34,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:34,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:34,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:34,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:34,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:34,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:34,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:34,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:34,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:34,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:34,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:34,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:34,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:34,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:34,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:34,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:34,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:34,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:34,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-10-22 11:22:34,542 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:34,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:34,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:34,544 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:34,544 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:34,544 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:34,544 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:34,544 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:34,545 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:34,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:22:34,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:22:34,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:34,546 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:34,546 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:22:34,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:34,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:34,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:34,547 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:22:34,547 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:22:34,548 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:22:34,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:34,548 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:22:34,548 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:22:34,548 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:34,548 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:22:34,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:34,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:34,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:34,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:34,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:34,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:34,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:34,550 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:22:34,550 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:22:34,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:34,550 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/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 -> ed4d18349810257ce078dfe4f08b9b953ed4516f [2019-10-22 11:22:34,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:34,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:34,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:34,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:34,614 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:34,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/../../sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-10-22 11:22:34,666 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/data/0ff79f1e6/f94cc0acdb434b60b26bf284bab87f43/FLAG661217d35 [2019-10-22 11:22:35,099 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:35,099 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/sv-benchmarks/c/list-simple/dll2c_update_all.i [2019-10-22 11:22:35,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/data/0ff79f1e6/f94cc0acdb434b60b26bf284bab87f43/FLAG661217d35 [2019-10-22 11:22:35,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/data/0ff79f1e6/f94cc0acdb434b60b26bf284bab87f43 [2019-10-22 11:22:35,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:35,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:35,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:35,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:35,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:35,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:35" (1/1) ... [2019-10-22 11:22:35,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6e2620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:35, skipping insertion in model container [2019-10-22 11:22:35,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:35" (1/1) ... [2019-10-22 11:22:35,473 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:35,510 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:35,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:35,945 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:35,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:36,047 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:36,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36 WrapperNode [2019-10-22 11:22:36,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:36,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:36,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:36,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:36,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:36,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:36,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:36,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:36,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:36,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:36,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:36,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:36,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/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 11:22:36,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:22:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:22:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:22:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:22:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:22:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:36,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:36,864 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:36,865 INFO L284 CfgBuilder]: Removed 26 assume(true) statements. [2019-10-22 11:22:36,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:36 BoogieIcfgContainer [2019-10-22 11:22:36,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:36,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:36,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:36,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:36,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:35" (1/3) ... [2019-10-22 11:22:36,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114d00f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:36, skipping insertion in model container [2019-10-22 11:22:36,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (2/3) ... [2019-10-22 11:22:36,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114d00f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:36, skipping insertion in model container [2019-10-22 11:22:36,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:36" (3/3) ... [2019-10-22 11:22:36,874 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2c_update_all.i [2019-10-22 11:22:36,884 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:36,892 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 39 error locations. [2019-10-22 11:22:36,903 INFO L249 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2019-10-22 11:22:36,925 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:36,925 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:22:36,926 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:36,926 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:36,926 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:36,926 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:36,927 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:36,927 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2019-10-22 11:22:36,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 11:22:36,955 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:36,956 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-10-22 11:22:36,958 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr35ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr38ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr37ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION]=== [2019-10-22 11:22:36,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:36,967 INFO L82 PathProgramCache]: Analyzing trace with hash 925702, now seen corresponding path program 1 times [2019-10-22 11:22:36,977 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:36,978 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1347829762] [2019-10-22 11:22:36,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b29d573c-2e4f-452c-92d3-7c7f259c5583/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:37,235 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:37,235 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort FloatRoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:22:37,240 INFO L168 Benchmark]: Toolchain (without parser) took 1786.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -127.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:37,240 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:37,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:37,241 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:37,244 INFO L168 Benchmark]: Boogie Preprocessor took 36.71 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 11:22:37,244 INFO L168 Benchmark]: RCFGBuilder took 730.24 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: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:37,245 INFO L168 Benchmark]: TraceAbstraction took 370.98 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:37,250 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 592.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 730.24 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: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 370.98 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort FloatRoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort FloatRoundingMode not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...