./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 146af270e2f8566ff753c06eb0ba55e81faf9353 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 146af270e2f8566ff753c06eb0ba55e81faf9353 ........................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:13:21,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:13:21,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:13:21,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:13:21,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:13:21,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:13:21,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:13:21,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:13:21,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:13:21,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:13:21,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:13:21,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:13:21,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:13:21,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:13:21,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:13:21,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:13:21,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:13:21,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:13:21,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:13:21,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:13:21,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:13:21,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:13:21,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:13:21,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:13:21,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:13:21,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:13:21,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:13:21,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:13:21,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:13:21,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:13:21,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:13:21,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:13:21,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:13:21,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:13:21,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:13:21,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:13:21,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:13:21,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:13:21,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:13:21,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:13:21,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:13:21,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-15 21:13:21,365 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:13:21,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:13:21,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:13:21,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:13:21,369 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:13:21,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:13:21,370 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:13:21,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:13:21,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:13:21,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:13:21,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:13:21,371 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 21:13:21,371 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 21:13:21,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:13:21,377 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:13:21,377 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:13:21,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:13:21,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:13:21,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:13:21,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:13:21,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:13:21,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:13:21,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:13:21,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:13:21,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:13:21,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer 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-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 146af270e2f8566ff753c06eb0ba55e81faf9353 [2019-11-15 21:13:21,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:13:21,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:13:21,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:13:21,425 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:13:21,426 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:13:21,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/../../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2019-11-15 21:13:21,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/data/3ba74789c/63026386f17641e8a14e0cada6513c30/FLAGa3e947674 [2019-11-15 21:13:22,034 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:13:22,035 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2019-11-15 21:13:22,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/data/3ba74789c/63026386f17641e8a14e0cada6513c30/FLAGa3e947674 [2019-11-15 21:13:22,328 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/data/3ba74789c/63026386f17641e8a14e0cada6513c30 [2019-11-15 21:13:22,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:13:22,333 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 21:13:22,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:13:22,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:13:22,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:13:22,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:13:22" (1/1) ... [2019-11-15 21:13:22,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df718bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:22, skipping insertion in model container [2019-11-15 21:13:22,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:13:22" (1/1) ... [2019-11-15 21:13:22,352 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:13:22,422 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:13:22,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:13:22,936 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:13:23,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:13:23,078 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:13:23,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:23 WrapperNode [2019-11-15 21:13:23,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:13:23,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:13:23,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:13:23,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:13:23,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:23" (1/1) ... [2019-11-15 21:13:23,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:23" (1/1) ... [2019-11-15 21:13:23,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:23" (1/1) ... [2019-11-15 21:13:23,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:23" (1/1) ... [2019-11-15 21:13:23,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:23" (1/1) ... [2019-11-15 21:13:23,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:23" (1/1) ... [2019-11-15 21:13:23,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:23" (1/1) ... [2019-11-15 21:13:23,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:13:23,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:13:23,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:13:23,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:13:23,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/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 [2019-11-15 21:13:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 21:13:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:13:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:13:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 21:13:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 21:13:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-11-15 21:13:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2019-11-15 21:13:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2019-11-15 21:13:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2019-11-15 21:13:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2019-11-15 21:13:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2019-11-15 21:13:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2019-11-15 21:13:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2019-11-15 21:13:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2019-11-15 21:13:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2019-11-15 21:13:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2019-11-15 21:13:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2019-11-15 21:13:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2019-11-15 21:13:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2019-11-15 21:13:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2019-11-15 21:13:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2019-11-15 21:13:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 21:13:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 21:13:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 21:13:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 21:13:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 21:13:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 21:13:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 21:13:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 21:13:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 21:13:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 21:13:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 21:13:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 21:13:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 21:13:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 21:13:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 21:13:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 21:13:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 21:13:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 21:13:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 21:13:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 21:13:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 21:13:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 21:13:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 21:13:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 21:13:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 21:13:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 21:13:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 21:13:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 21:13:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 21:13:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 21:13:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 21:13:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 21:13:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 21:13:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 21:13:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 21:13:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 21:13:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 21:13:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 21:13:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 21:13:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 21:13:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 21:13:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 21:13:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 21:13:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 21:13:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 21:13:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 21:13:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 21:13:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 21:13:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 21:13:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 21:13:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 21:13:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 21:13:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 21:13:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 21:13:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 21:13:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 21:13:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 21:13:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 21:13:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-15 21:13:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 21:13:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 21:13:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 21:13:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 21:13:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 21:13:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 21:13:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 21:13:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 21:13:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 21:13:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 21:13:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 21:13:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 21:13:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 21:13:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 21:13:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 21:13:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 21:13:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 21:13:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 21:13:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 21:13:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 21:13:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 21:13:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 21:13:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 21:13:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 21:13:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 21:13:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 21:13:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 21:13:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 21:13:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 21:13:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 21:13:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 21:13:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 21:13:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 21:13:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 21:13:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 21:13:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 21:13:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 21:13:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 21:13:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 21:13:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 21:13:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 21:13:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 21:13:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 21:13:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 21:13:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 21:13:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 21:13:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 21:13:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 21:13:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 21:13:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-11-15 21:13:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2019-11-15 21:13:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 21:13:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 21:13:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2019-11-15 21:13:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2019-11-15 21:13:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 21:13:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2019-11-15 21:13:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:13:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:13:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 21:13:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:13:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2019-11-15 21:13:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2019-11-15 21:13:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2019-11-15 21:13:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2019-11-15 21:13:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2019-11-15 21:13:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2019-11-15 21:13:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2019-11-15 21:13:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2019-11-15 21:13:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2019-11-15 21:13:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2019-11-15 21:13:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2019-11-15 21:13:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 21:13:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 21:13:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:13:24,498 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:13:24,503 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-15 21:13:24,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:13:24 BoogieIcfgContainer [2019-11-15 21:13:24,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:13:24,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:13:24,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:13:24,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:13:24,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:13:22" (1/3) ... [2019-11-15 21:13:24,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c357565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:13:24, skipping insertion in model container [2019-11-15 21:13:24,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:13:23" (2/3) ... [2019-11-15 21:13:24,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c357565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:13:24, skipping insertion in model container [2019-11-15 21:13:24,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:13:24" (3/3) ... [2019-11-15 21:13:24,515 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2019-11-15 21:13:24,526 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:13:24,535 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 97 error locations. [2019-11-15 21:13:24,544 INFO L249 AbstractCegarLoop]: Starting to check reachability of 97 error locations. [2019-11-15 21:13:24,565 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:13:24,565 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 21:13:24,565 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:13:24,565 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:13:24,565 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:13:24,565 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:13:24,566 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:13:24,566 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:13:24,593 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2019-11-15 21:13:24,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 21:13:24,603 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:24,604 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:24,606 INFO L410 AbstractCegarLoop]: === Iteration 1 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:24,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:24,613 INFO L82 PathProgramCache]: Analyzing trace with hash 810609135, now seen corresponding path program 1 times [2019-11-15 21:13:24,622 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:24,622 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933901572] [2019-11-15 21:13:24,623 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:24,623 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:24,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:24,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:24,911 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933901572] [2019-11-15 21:13:24,912 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:24,912 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:13:24,913 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330300096] [2019-11-15 21:13:24,918 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:13:24,918 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:24,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:13:24,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:13:24,936 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 4 states. [2019-11-15 21:13:26,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:26,101 INFO L93 Difference]: Finished difference Result 343 states and 378 transitions. [2019-11-15 21:13:26,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 21:13:26,103 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-11-15 21:13:26,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:26,120 INFO L225 Difference]: With dead ends: 343 [2019-11-15 21:13:26,120 INFO L226 Difference]: Without dead ends: 325 [2019-11-15 21:13:26,122 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:13:26,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-11-15 21:13:26,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 287. [2019-11-15 21:13:26,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2019-11-15 21:13:26,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 304 transitions. [2019-11-15 21:13:26,198 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 304 transitions. Word has length 17 [2019-11-15 21:13:26,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:26,198 INFO L462 AbstractCegarLoop]: Abstraction has 287 states and 304 transitions. [2019-11-15 21:13:26,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:13:26,199 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 304 transitions. [2019-11-15 21:13:26,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 21:13:26,200 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:26,200 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:26,200 INFO L410 AbstractCegarLoop]: === Iteration 2 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:26,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:26,201 INFO L82 PathProgramCache]: Analyzing trace with hash 810609136, now seen corresponding path program 1 times [2019-11-15 21:13:26,201 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:26,202 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599710049] [2019-11-15 21:13:26,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:26,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:26,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:26,404 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599710049] [2019-11-15 21:13:26,404 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:26,404 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:13:26,405 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81523672] [2019-11-15 21:13:26,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:13:26,407 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:26,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:13:26,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:13:26,408 INFO L87 Difference]: Start difference. First operand 287 states and 304 transitions. Second operand 4 states. [2019-11-15 21:13:27,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:27,157 INFO L93 Difference]: Finished difference Result 322 states and 344 transitions. [2019-11-15 21:13:27,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 21:13:27,159 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-11-15 21:13:27,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:27,161 INFO L225 Difference]: With dead ends: 322 [2019-11-15 21:13:27,161 INFO L226 Difference]: Without dead ends: 322 [2019-11-15 21:13:27,162 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:13:27,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-11-15 21:13:27,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 284. [2019-11-15 21:13:27,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2019-11-15 21:13:27,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 301 transitions. [2019-11-15 21:13:27,184 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 301 transitions. Word has length 17 [2019-11-15 21:13:27,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:27,185 INFO L462 AbstractCegarLoop]: Abstraction has 284 states and 301 transitions. [2019-11-15 21:13:27,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:13:27,185 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 301 transitions. [2019-11-15 21:13:27,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 21:13:27,186 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:27,187 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:27,187 INFO L410 AbstractCegarLoop]: === Iteration 3 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:27,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:27,188 INFO L82 PathProgramCache]: Analyzing trace with hash -804751045, now seen corresponding path program 1 times [2019-11-15 21:13:27,188 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:27,188 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513401183] [2019-11-15 21:13:27,189 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:27,189 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:27,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:27,266 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513401183] [2019-11-15 21:13:27,266 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:27,266 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:13:27,266 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417360288] [2019-11-15 21:13:27,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:13:27,267 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:27,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:13:27,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:13:27,268 INFO L87 Difference]: Start difference. First operand 284 states and 301 transitions. Second operand 4 states. [2019-11-15 21:13:27,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:27,888 INFO L93 Difference]: Finished difference Result 320 states and 342 transitions. [2019-11-15 21:13:27,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 21:13:27,889 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-11-15 21:13:27,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:27,891 INFO L225 Difference]: With dead ends: 320 [2019-11-15 21:13:27,891 INFO L226 Difference]: Without dead ends: 320 [2019-11-15 21:13:27,892 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:13:27,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-11-15 21:13:27,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 282. [2019-11-15 21:13:27,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-15 21:13:27,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 299 transitions. [2019-11-15 21:13:27,923 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 299 transitions. Word has length 17 [2019-11-15 21:13:27,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:27,924 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 299 transitions. [2019-11-15 21:13:27,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:13:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 299 transitions. [2019-11-15 21:13:27,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 21:13:27,925 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:27,925 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:27,925 INFO L410 AbstractCegarLoop]: === Iteration 4 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:27,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:27,926 INFO L82 PathProgramCache]: Analyzing trace with hash -804751044, now seen corresponding path program 1 times [2019-11-15 21:13:27,926 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:27,926 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630333254] [2019-11-15 21:13:27,927 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:27,927 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:27,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:28,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:28,150 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630333254] [2019-11-15 21:13:28,150 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:28,150 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 21:13:28,151 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109362644] [2019-11-15 21:13:28,151 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 21:13:28,153 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:28,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 21:13:28,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 21:13:28,154 INFO L87 Difference]: Start difference. First operand 282 states and 299 transitions. Second operand 6 states. [2019-11-15 21:13:29,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:29,412 INFO L93 Difference]: Finished difference Result 346 states and 376 transitions. [2019-11-15 21:13:29,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 21:13:29,413 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-11-15 21:13:29,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:29,416 INFO L225 Difference]: With dead ends: 346 [2019-11-15 21:13:29,416 INFO L226 Difference]: Without dead ends: 346 [2019-11-15 21:13:29,417 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:13:29,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-11-15 21:13:29,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 300. [2019-11-15 21:13:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2019-11-15 21:13:29,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 327 transitions. [2019-11-15 21:13:29,433 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 327 transitions. Word has length 17 [2019-11-15 21:13:29,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:29,434 INFO L462 AbstractCegarLoop]: Abstraction has 300 states and 327 transitions. [2019-11-15 21:13:29,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 21:13:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 327 transitions. [2019-11-15 21:13:29,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 21:13:29,435 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:29,435 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, 1, 1, 1] [2019-11-15 21:13:29,436 INFO L410 AbstractCegarLoop]: === Iteration 5 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:29,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:29,437 INFO L82 PathProgramCache]: Analyzing trace with hash 278499403, now seen corresponding path program 1 times [2019-11-15 21:13:29,437 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:29,437 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822591043] [2019-11-15 21:13:29,437 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:29,438 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:29,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:29,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:29,732 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822591043] [2019-11-15 21:13:29,732 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:29,732 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 21:13:29,733 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985419047] [2019-11-15 21:13:29,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 21:13:29,733 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:29,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 21:13:29,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:13:29,734 INFO L87 Difference]: Start difference. First operand 300 states and 327 transitions. Second operand 11 states. [2019-11-15 21:13:31,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:31,696 INFO L93 Difference]: Finished difference Result 364 states and 401 transitions. [2019-11-15 21:13:31,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-15 21:13:31,696 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 24 [2019-11-15 21:13:31,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:31,700 INFO L225 Difference]: With dead ends: 364 [2019-11-15 21:13:31,700 INFO L226 Difference]: Without dead ends: 364 [2019-11-15 21:13:31,701 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-11-15 21:13:31,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-11-15 21:13:31,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 308. [2019-11-15 21:13:31,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-15 21:13:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 339 transitions. [2019-11-15 21:13:31,718 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 339 transitions. Word has length 24 [2019-11-15 21:13:31,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:31,719 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 339 transitions. [2019-11-15 21:13:31,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 21:13:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 339 transitions. [2019-11-15 21:13:31,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-15 21:13:31,720 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:31,721 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, 1, 1, 1] [2019-11-15 21:13:31,721 INFO L410 AbstractCegarLoop]: === Iteration 6 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:31,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:31,722 INFO L82 PathProgramCache]: Analyzing trace with hash 278499404, now seen corresponding path program 1 times [2019-11-15 21:13:31,722 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:31,722 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848903015] [2019-11-15 21:13:31,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:31,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:31,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:31,983 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848903015] [2019-11-15 21:13:31,983 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:31,983 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 21:13:31,983 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801206246] [2019-11-15 21:13:31,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 21:13:31,984 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:31,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 21:13:31,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:13:31,985 INFO L87 Difference]: Start difference. First operand 308 states and 339 transitions. Second operand 11 states. [2019-11-15 21:13:34,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:34,176 INFO L93 Difference]: Finished difference Result 362 states and 399 transitions. [2019-11-15 21:13:34,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 21:13:34,176 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 24 [2019-11-15 21:13:34,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:34,180 INFO L225 Difference]: With dead ends: 362 [2019-11-15 21:13:34,180 INFO L226 Difference]: Without dead ends: 362 [2019-11-15 21:13:34,180 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2019-11-15 21:13:34,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2019-11-15 21:13:34,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 308. [2019-11-15 21:13:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-15 21:13:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 337 transitions. [2019-11-15 21:13:34,194 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 337 transitions. Word has length 24 [2019-11-15 21:13:34,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:34,195 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 337 transitions. [2019-11-15 21:13:34,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 21:13:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 337 transitions. [2019-11-15 21:13:34,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 21:13:34,196 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:34,197 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, 1, 1, 1, 1, 1] [2019-11-15 21:13:34,197 INFO L410 AbstractCegarLoop]: === Iteration 7 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:34,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:34,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1349961868, now seen corresponding path program 1 times [2019-11-15 21:13:34,198 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:34,198 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001225724] [2019-11-15 21:13:34,198 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:34,199 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:34,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:34,300 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001225724] [2019-11-15 21:13:34,301 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:34,301 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:13:34,301 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483835214] [2019-11-15 21:13:34,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:13:34,302 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:34,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:13:34,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:13:34,303 INFO L87 Difference]: Start difference. First operand 308 states and 337 transitions. Second operand 8 states. [2019-11-15 21:13:35,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:35,443 INFO L93 Difference]: Finished difference Result 351 states and 386 transitions. [2019-11-15 21:13:35,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 21:13:35,444 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2019-11-15 21:13:35,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:35,447 INFO L225 Difference]: With dead ends: 351 [2019-11-15 21:13:35,447 INFO L226 Difference]: Without dead ends: 351 [2019-11-15 21:13:35,447 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:13:35,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2019-11-15 21:13:35,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 307. [2019-11-15 21:13:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2019-11-15 21:13:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 336 transitions. [2019-11-15 21:13:35,461 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 336 transitions. Word has length 26 [2019-11-15 21:13:35,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:35,462 INFO L462 AbstractCegarLoop]: Abstraction has 307 states and 336 transitions. [2019-11-15 21:13:35,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:13:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 336 transitions. [2019-11-15 21:13:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-15 21:13:35,463 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:35,463 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, 1, 1, 1, 1, 1] [2019-11-15 21:13:35,464 INFO L410 AbstractCegarLoop]: === Iteration 8 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:35,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:35,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1349961869, now seen corresponding path program 1 times [2019-11-15 21:13:35,464 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:35,465 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501992019] [2019-11-15 21:13:35,465 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:35,465 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:35,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:35,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:35,605 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501992019] [2019-11-15 21:13:35,605 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:35,606 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:13:35,606 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056032730] [2019-11-15 21:13:35,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:13:35,606 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:35,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:13:35,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:13:35,607 INFO L87 Difference]: Start difference. First operand 307 states and 336 transitions. Second operand 8 states. [2019-11-15 21:13:36,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:36,876 INFO L93 Difference]: Finished difference Result 350 states and 385 transitions. [2019-11-15 21:13:36,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 21:13:36,876 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2019-11-15 21:13:36,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:36,878 INFO L225 Difference]: With dead ends: 350 [2019-11-15 21:13:36,878 INFO L226 Difference]: Without dead ends: 350 [2019-11-15 21:13:36,879 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:13:36,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-11-15 21:13:36,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 306. [2019-11-15 21:13:36,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2019-11-15 21:13:36,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 335 transitions. [2019-11-15 21:13:36,891 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 335 transitions. Word has length 26 [2019-11-15 21:13:36,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:36,891 INFO L462 AbstractCegarLoop]: Abstraction has 306 states and 335 transitions. [2019-11-15 21:13:36,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:13:36,892 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 335 transitions. [2019-11-15 21:13:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-15 21:13:36,893 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:36,893 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:36,894 INFO L410 AbstractCegarLoop]: === Iteration 9 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:36,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:36,894 INFO L82 PathProgramCache]: Analyzing trace with hash 233239885, now seen corresponding path program 1 times [2019-11-15 21:13:36,894 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:36,895 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261435372] [2019-11-15 21:13:36,895 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:36,895 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:36,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:37,601 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-11-15 21:13:37,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:13:37,608 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261435372] [2019-11-15 21:13:37,608 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:37,608 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-11-15 21:13:37,609 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749000252] [2019-11-15 21:13:37,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 21:13:37,609 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:37,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 21:13:37,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2019-11-15 21:13:37,610 INFO L87 Difference]: Start difference. First operand 306 states and 335 transitions. Second operand 15 states. [2019-11-15 21:13:37,943 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-11-15 21:13:38,497 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-15 21:13:38,872 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-15 21:13:39,260 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-15 21:13:42,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:42,684 INFO L93 Difference]: Finished difference Result 372 states and 414 transitions. [2019-11-15 21:13:42,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-15 21:13:42,684 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2019-11-15 21:13:42,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:42,687 INFO L225 Difference]: With dead ends: 372 [2019-11-15 21:13:42,688 INFO L226 Difference]: Without dead ends: 372 [2019-11-15 21:13:42,688 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2019-11-15 21:13:42,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2019-11-15 21:13:42,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 322. [2019-11-15 21:13:42,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-11-15 21:13:42,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 360 transitions. [2019-11-15 21:13:42,711 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 360 transitions. Word has length 28 [2019-11-15 21:13:42,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:42,714 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 360 transitions. [2019-11-15 21:13:42,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 21:13:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 360 transitions. [2019-11-15 21:13:42,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-15 21:13:42,723 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:42,724 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:42,724 INFO L410 AbstractCegarLoop]: === Iteration 10 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:42,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:42,725 INFO L82 PathProgramCache]: Analyzing trace with hash 307475769, now seen corresponding path program 1 times [2019-11-15 21:13:42,725 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:42,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41188589] [2019-11-15 21:13:42,726 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:42,726 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:42,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:13:42,847 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41188589] [2019-11-15 21:13:42,847 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:42,848 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 21:13:42,849 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675586959] [2019-11-15 21:13:42,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 21:13:42,853 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:42,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 21:13:42,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 21:13:42,854 INFO L87 Difference]: Start difference. First operand 322 states and 360 transitions. Second operand 5 states. [2019-11-15 21:13:43,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:43,581 INFO L93 Difference]: Finished difference Result 364 states and 408 transitions. [2019-11-15 21:13:43,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 21:13:43,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-11-15 21:13:43,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:43,586 INFO L225 Difference]: With dead ends: 364 [2019-11-15 21:13:43,586 INFO L226 Difference]: Without dead ends: 364 [2019-11-15 21:13:43,587 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 21:13:43,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-11-15 21:13:43,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 320. [2019-11-15 21:13:43,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2019-11-15 21:13:43,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 358 transitions. [2019-11-15 21:13:43,599 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 358 transitions. Word has length 39 [2019-11-15 21:13:43,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:43,600 INFO L462 AbstractCegarLoop]: Abstraction has 320 states and 358 transitions. [2019-11-15 21:13:43,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 21:13:43,600 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 358 transitions. [2019-11-15 21:13:43,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 21:13:43,602 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:43,602 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:43,602 INFO L410 AbstractCegarLoop]: === Iteration 11 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:43,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:43,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1088173945, now seen corresponding path program 1 times [2019-11-15 21:13:43,603 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:43,603 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462987464] [2019-11-15 21:13:43,604 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:43,604 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:43,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:13:43,775 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462987464] [2019-11-15 21:13:43,775 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:43,775 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-15 21:13:43,776 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304951152] [2019-11-15 21:13:43,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 21:13:43,776 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:43,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 21:13:43,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:13:43,777 INFO L87 Difference]: Start difference. First operand 320 states and 358 transitions. Second operand 10 states. [2019-11-15 21:13:45,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:45,429 INFO L93 Difference]: Finished difference Result 362 states and 406 transitions. [2019-11-15 21:13:45,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-15 21:13:45,429 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 45 [2019-11-15 21:13:45,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:45,432 INFO L225 Difference]: With dead ends: 362 [2019-11-15 21:13:45,432 INFO L226 Difference]: Without dead ends: 362 [2019-11-15 21:13:45,433 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2019-11-15 21:13:45,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2019-11-15 21:13:45,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 318. [2019-11-15 21:13:45,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2019-11-15 21:13:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 356 transitions. [2019-11-15 21:13:45,445 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 356 transitions. Word has length 45 [2019-11-15 21:13:45,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:45,445 INFO L462 AbstractCegarLoop]: Abstraction has 318 states and 356 transitions. [2019-11-15 21:13:45,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 21:13:45,446 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 356 transitions. [2019-11-15 21:13:45,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 21:13:45,447 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:45,447 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:45,447 INFO L410 AbstractCegarLoop]: === Iteration 12 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:45,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:45,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1088173944, now seen corresponding path program 1 times [2019-11-15 21:13:45,448 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:45,449 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128370728] [2019-11-15 21:13:45,449 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:45,449 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:45,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:13:45,677 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128370728] [2019-11-15 21:13:45,678 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:45,678 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-15 21:13:45,678 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816268122] [2019-11-15 21:13:45,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-15 21:13:45,679 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:45,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-15 21:13:45,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-15 21:13:45,679 INFO L87 Difference]: Start difference. First operand 318 states and 356 transitions. Second operand 11 states. [2019-11-15 21:13:47,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:47,759 INFO L93 Difference]: Finished difference Result 378 states and 424 transitions. [2019-11-15 21:13:47,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-15 21:13:47,760 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 45 [2019-11-15 21:13:47,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:47,762 INFO L225 Difference]: With dead ends: 378 [2019-11-15 21:13:47,762 INFO L226 Difference]: Without dead ends: 378 [2019-11-15 21:13:47,763 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2019-11-15 21:13:47,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-11-15 21:13:47,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 330. [2019-11-15 21:13:47,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2019-11-15 21:13:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 374 transitions. [2019-11-15 21:13:47,774 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 374 transitions. Word has length 45 [2019-11-15 21:13:47,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:47,775 INFO L462 AbstractCegarLoop]: Abstraction has 330 states and 374 transitions. [2019-11-15 21:13:47,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-15 21:13:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 374 transitions. [2019-11-15 21:13:47,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-15 21:13:47,776 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:47,776 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:47,777 INFO L410 AbstractCegarLoop]: === Iteration 13 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:47,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:47,777 INFO L82 PathProgramCache]: Analyzing trace with hash -2058101656, now seen corresponding path program 1 times [2019-11-15 21:13:47,777 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:47,778 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503450289] [2019-11-15 21:13:47,778 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:47,778 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:47,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:13:47,915 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503450289] [2019-11-15 21:13:47,915 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:47,915 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:13:47,915 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782546374] [2019-11-15 21:13:47,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:13:47,916 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:47,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:13:47,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:13:47,917 INFO L87 Difference]: Start difference. First operand 330 states and 374 transitions. Second operand 8 states. [2019-11-15 21:13:49,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:49,135 INFO L93 Difference]: Finished difference Result 373 states and 422 transitions. [2019-11-15 21:13:49,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 21:13:49,136 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 47 [2019-11-15 21:13:49,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:49,138 INFO L225 Difference]: With dead ends: 373 [2019-11-15 21:13:49,138 INFO L226 Difference]: Without dead ends: 373 [2019-11-15 21:13:49,138 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:13:49,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2019-11-15 21:13:49,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 329. [2019-11-15 21:13:49,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2019-11-15 21:13:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 372 transitions. [2019-11-15 21:13:49,150 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 372 transitions. Word has length 47 [2019-11-15 21:13:49,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:49,150 INFO L462 AbstractCegarLoop]: Abstraction has 329 states and 372 transitions. [2019-11-15 21:13:49,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:13:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 372 transitions. [2019-11-15 21:13:49,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-15 21:13:49,151 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:49,152 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:49,152 INFO L410 AbstractCegarLoop]: === Iteration 14 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:49,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:49,153 INFO L82 PathProgramCache]: Analyzing trace with hash -2058101655, now seen corresponding path program 1 times [2019-11-15 21:13:49,153 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:49,153 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474927828] [2019-11-15 21:13:49,153 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:49,154 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:49,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:13:49,297 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474927828] [2019-11-15 21:13:49,298 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:49,298 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:13:49,298 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29365675] [2019-11-15 21:13:49,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:13:49,298 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:49,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:13:49,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:13:49,299 INFO L87 Difference]: Start difference. First operand 329 states and 372 transitions. Second operand 8 states. [2019-11-15 21:13:50,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:50,342 INFO L93 Difference]: Finished difference Result 372 states and 420 transitions. [2019-11-15 21:13:50,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 21:13:50,343 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 47 [2019-11-15 21:13:50,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:50,345 INFO L225 Difference]: With dead ends: 372 [2019-11-15 21:13:50,345 INFO L226 Difference]: Without dead ends: 372 [2019-11-15 21:13:50,346 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:13:50,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2019-11-15 21:13:50,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 328. [2019-11-15 21:13:50,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2019-11-15 21:13:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 370 transitions. [2019-11-15 21:13:50,359 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 370 transitions. Word has length 47 [2019-11-15 21:13:50,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:50,359 INFO L462 AbstractCegarLoop]: Abstraction has 328 states and 370 transitions. [2019-11-15 21:13:50,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:13:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 370 transitions. [2019-11-15 21:13:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-15 21:13:50,361 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:50,361 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:50,362 INFO L410 AbstractCegarLoop]: === Iteration 15 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:50,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:50,362 INFO L82 PathProgramCache]: Analyzing trace with hash 2144238793, now seen corresponding path program 1 times [2019-11-15 21:13:50,363 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:50,363 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824982235] [2019-11-15 21:13:50,363 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:50,363 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:50,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 21:13:50,941 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824982235] [2019-11-15 21:13:50,941 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:13:50,941 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-11-15 21:13:50,942 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142606961] [2019-11-15 21:13:50,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-15 21:13:50,942 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:50,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-15 21:13:50,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2019-11-15 21:13:50,943 INFO L87 Difference]: Start difference. First operand 328 states and 370 transitions. Second operand 15 states. [2019-11-15 21:13:53,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:13:53,774 INFO L93 Difference]: Finished difference Result 375 states and 420 transitions. [2019-11-15 21:13:53,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-15 21:13:53,774 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 49 [2019-11-15 21:13:53,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:13:53,802 INFO L225 Difference]: With dead ends: 375 [2019-11-15 21:13:53,803 INFO L226 Difference]: Without dead ends: 375 [2019-11-15 21:13:53,803 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2019-11-15 21:13:53,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2019-11-15 21:13:53,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 327. [2019-11-15 21:13:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2019-11-15 21:13:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 366 transitions. [2019-11-15 21:13:53,814 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 366 transitions. Word has length 49 [2019-11-15 21:13:53,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:13:53,815 INFO L462 AbstractCegarLoop]: Abstraction has 327 states and 366 transitions. [2019-11-15 21:13:53,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-15 21:13:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 366 transitions. [2019-11-15 21:13:53,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-15 21:13:53,816 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:13:53,817 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:13:53,817 INFO L410 AbstractCegarLoop]: === Iteration 16 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:13:53,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:13:53,818 INFO L82 PathProgramCache]: Analyzing trace with hash -702638244, now seen corresponding path program 1 times [2019-11-15 21:13:53,819 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:13:53,819 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213085203] [2019-11-15 21:13:53,819 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:53,819 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:13:53,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:13:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:13:54,229 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213085203] [2019-11-15 21:13:54,229 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805026932] [2019-11-15 21:13:54,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/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 [2019-11-15 21:13:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:13:54,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 38 conjunts are in the unsatisfiable core [2019-11-15 21:13:54,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:13:54,812 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-15 21:13:54,813 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:13:54,821 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:13:54,821 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:13:54,821 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:3 [2019-11-15 21:13:54,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:13:54,965 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-15 21:13:54,966 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:13:54,982 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:13:54,983 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:13:54,983 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:19 [2019-11-15 21:13:55,069 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:13:55,070 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:13:55,070 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 27 [2019-11-15 21:13:55,070 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805124922] [2019-11-15 21:13:55,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-15 21:13:55,072 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:13:55,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-15 21:13:55,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=682, Unknown=0, NotChecked=0, Total=756 [2019-11-15 21:13:55,074 INFO L87 Difference]: Start difference. First operand 327 states and 366 transitions. Second operand 28 states. [2019-11-15 21:14:00,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:14:00,616 INFO L93 Difference]: Finished difference Result 369 states and 414 transitions. [2019-11-15 21:14:00,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-15 21:14:00,616 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 68 [2019-11-15 21:14:00,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:14:00,619 INFO L225 Difference]: With dead ends: 369 [2019-11-15 21:14:00,619 INFO L226 Difference]: Without dead ends: 369 [2019-11-15 21:14:00,620 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=211, Invalid=1429, Unknown=0, NotChecked=0, Total=1640 [2019-11-15 21:14:00,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-11-15 21:14:00,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 325. [2019-11-15 21:14:00,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-11-15 21:14:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 364 transitions. [2019-11-15 21:14:00,644 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 364 transitions. Word has length 68 [2019-11-15 21:14:00,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:14:00,644 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 364 transitions. [2019-11-15 21:14:00,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-15 21:14:00,644 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 364 transitions. [2019-11-15 21:14:00,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-15 21:14:00,646 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:14:00,646 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:14:00,860 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:00,861 INFO L410 AbstractCegarLoop]: === Iteration 17 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:14:00,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:14:00,861 INFO L82 PathProgramCache]: Analyzing trace with hash -329399907, now seen corresponding path program 1 times [2019-11-15 21:14:00,861 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:14:00,862 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201614429] [2019-11-15 21:14:00,862 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:00,862 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:14:00,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:14:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,725 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 21:14:01,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201614429] [2019-11-15 21:14:01,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042648424] [2019-11-15 21:14:01,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:14:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:14:01,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 63 conjunts are in the unsatisfiable core [2019-11-15 21:14:01,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:14:02,008 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:14:02,009 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:14:02,014 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:14:02,014 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:14:02,015 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2019-11-15 21:14:02,296 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2019-11-15 21:14:02,296 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:14:02,302 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:14:02,303 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_BEFORE_CALL_3| vanished before elimination [2019-11-15 21:14:02,304 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:14:02,304 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:7 [2019-11-15 21:14:04,555 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:14:04,555 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 44 [2019-11-15 21:14:04,556 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:14:04,583 INFO L567 ElimStorePlain]: treesize reduction 26, result has 56.7 percent of original size [2019-11-15 21:14:04,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:14:04,592 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-11-15 21:14:04,593 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:14:04,603 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:14:04,603 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-15 21:14:04,604 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:30 [2019-11-15 21:14:04,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:14:04,666 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2019-11-15 21:14:04,667 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:14:04,673 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:14:04,674 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:14:04,674 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:34, output treesize:11 [2019-11-15 21:14:04,700 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:14:04,700 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:14:04,701 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 34 [2019-11-15 21:14:04,701 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681097933] [2019-11-15 21:14:04,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-11-15 21:14:04,702 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:14:04,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-11-15 21:14:04,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1101, Unknown=1, NotChecked=0, Total=1190 [2019-11-15 21:14:04,703 INFO L87 Difference]: Start difference. First operand 325 states and 364 transitions. Second operand 35 states. [2019-11-15 21:14:14,075 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2019-11-15 21:14:14,504 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2019-11-15 21:14:28,937 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 46 [2019-11-15 21:14:29,158 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2019-11-15 21:14:29,388 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2019-11-15 21:15:08,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:15:08,112 INFO L93 Difference]: Finished difference Result 371 states and 415 transitions. [2019-11-15 21:15:08,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-11-15 21:15:08,112 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 72 [2019-11-15 21:15:08,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:15:08,114 INFO L225 Difference]: With dead ends: 371 [2019-11-15 21:15:08,114 INFO L226 Difference]: Without dead ends: 371 [2019-11-15 21:15:08,116 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=322, Invalid=2978, Unknown=6, NotChecked=0, Total=3306 [2019-11-15 21:15:08,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-11-15 21:15:08,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 326. [2019-11-15 21:15:08,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2019-11-15 21:15:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 364 transitions. [2019-11-15 21:15:08,127 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 364 transitions. Word has length 72 [2019-11-15 21:15:08,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:15:08,128 INFO L462 AbstractCegarLoop]: Abstraction has 326 states and 364 transitions. [2019-11-15 21:15:08,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-11-15 21:15:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 364 transitions. [2019-11-15 21:15:08,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-15 21:15:08,129 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:15:08,129 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:15:08,333 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:15:08,334 INFO L410 AbstractCegarLoop]: === Iteration 18 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:15:08,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:15:08,334 INFO L82 PathProgramCache]: Analyzing trace with hash -329399906, now seen corresponding path program 1 times [2019-11-15 21:15:08,334 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:15:08,334 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077703360] [2019-11-15 21:15:08,334 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:15:08,335 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:15:08,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:15:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:09,458 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-11-15 21:15:09,485 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 21:15:09,485 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077703360] [2019-11-15 21:15:09,486 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849340294] [2019-11-15 21:15:09,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:15:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:09,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 100 conjunts are in the unsatisfiable core [2019-11-15 21:15:09,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:15:09,793 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-15 21:15:09,794 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:09,798 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:09,798 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:15:09,798 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-15 21:15:09,901 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:15:09,902 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:09,910 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:09,913 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:15:09,914 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:09,922 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:09,922 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:15:09,922 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:26 [2019-11-15 21:15:10,461 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2019-11-15 21:15:10,462 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:10,479 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:10,492 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2019-11-15 21:15:10,493 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:10,504 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:10,506 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_BEFORE_CALL_7| vanished before elimination [2019-11-15 21:15:10,510 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-11-15 21:15:10,510 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:10,519 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:10,520 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:15:10,520 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:41, output treesize:13 [2019-11-15 21:15:12,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:15:12,769 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2019-11-15 21:15:12,770 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:12,802 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:12,815 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:12,815 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 15 treesize of output 19 [2019-11-15 21:15:12,816 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:12,836 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:12,843 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:15:12,844 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2019-11-15 21:15:12,845 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:12,863 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:12,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:15:12,870 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2019-11-15 21:15:12,871 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:12,890 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:12,891 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-15 21:15:12,891 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:67, output treesize:52 [2019-11-15 21:15:12,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:15:12,984 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2019-11-15 21:15:12,985 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:13,014 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:13,019 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:15:13,020 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-11-15 21:15:13,021 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:13,037 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:13,038 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:15:13,038 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:63, output treesize:18 [2019-11-15 21:15:13,167 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:15:13,167 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:15:13,167 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24] total 37 [2019-11-15 21:15:13,167 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086638885] [2019-11-15 21:15:13,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-11-15 21:15:13,168 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:15:13,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-11-15 21:15:13,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1306, Unknown=1, NotChecked=0, Total=1406 [2019-11-15 21:15:13,169 INFO L87 Difference]: Start difference. First operand 326 states and 364 transitions. Second operand 38 states. [2019-11-15 21:15:23,772 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2019-11-15 21:15:30,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:15:30,590 INFO L93 Difference]: Finished difference Result 370 states and 414 transitions. [2019-11-15 21:15:30,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-11-15 21:15:30,590 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 72 [2019-11-15 21:15:30,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:15:30,592 INFO L225 Difference]: With dead ends: 370 [2019-11-15 21:15:30,592 INFO L226 Difference]: Without dead ends: 370 [2019-11-15 21:15:30,594 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=327, Invalid=3453, Unknown=2, NotChecked=0, Total=3782 [2019-11-15 21:15:30,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2019-11-15 21:15:30,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 325. [2019-11-15 21:15:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-11-15 21:15:30,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 363 transitions. [2019-11-15 21:15:30,604 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 363 transitions. Word has length 72 [2019-11-15 21:15:30,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:15:30,605 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 363 transitions. [2019-11-15 21:15:30,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-11-15 21:15:30,605 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 363 transitions. [2019-11-15 21:15:30,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-15 21:15:30,606 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:15:30,607 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:15:30,812 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:15:30,812 INFO L410 AbstractCegarLoop]: === Iteration 19 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:15:30,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:15:30,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1346199844, now seen corresponding path program 1 times [2019-11-15 21:15:30,813 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:15:30,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203357924] [2019-11-15 21:15:30,813 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:15:30,813 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:15:30,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:15:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:30,966 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-15 21:15:30,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203357924] [2019-11-15 21:15:30,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450750735] [2019-11-15 21:15:30,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:15:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:31,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 21:15:31,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:15:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-15 21:15:31,221 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:15:31,221 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 7 [2019-11-15 21:15:31,221 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470036382] [2019-11-15 21:15:31,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 21:15:31,223 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:15:31,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 21:15:31,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:15:31,224 INFO L87 Difference]: Start difference. First operand 325 states and 363 transitions. Second operand 5 states. [2019-11-15 21:15:31,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:15:31,281 INFO L93 Difference]: Finished difference Result 315 states and 340 transitions. [2019-11-15 21:15:31,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 21:15:31,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-11-15 21:15:31,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:15:31,284 INFO L225 Difference]: With dead ends: 315 [2019-11-15 21:15:31,284 INFO L226 Difference]: Without dead ends: 315 [2019-11-15 21:15:31,285 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:15:31,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2019-11-15 21:15:31,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2019-11-15 21:15:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-11-15 21:15:31,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 340 transitions. [2019-11-15 21:15:31,296 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 340 transitions. Word has length 73 [2019-11-15 21:15:31,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:15:31,296 INFO L462 AbstractCegarLoop]: Abstraction has 315 states and 340 transitions. [2019-11-15 21:15:31,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 21:15:31,296 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 340 transitions. [2019-11-15 21:15:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-15 21:15:31,299 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:15:31,299 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:15:31,501 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:15:31,502 INFO L410 AbstractCegarLoop]: === Iteration 20 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:15:31,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:15:31,502 INFO L82 PathProgramCache]: Analyzing trace with hash 391592901, now seen corresponding path program 1 times [2019-11-15 21:15:31,502 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:15:31,502 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210672634] [2019-11-15 21:15:31,502 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:15:31,503 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:15:31,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:15:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-15 21:15:32,831 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210672634] [2019-11-15 21:15:32,831 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017387281] [2019-11-15 21:15:32,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:15:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:15:33,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 65 conjunts are in the unsatisfiable core [2019-11-15 21:15:33,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:15:33,227 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:15:33,278 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-15 21:15:33,278 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:33,284 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:33,284 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:15:33,284 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2019-11-15 21:15:33,451 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2019-11-15 21:15:33,451 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:33,457 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:33,458 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:15:33,458 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2019-11-15 21:15:35,407 WARN L860 $PredicateComparison]: unable to prove that (exists ((alloc_or_die_slave_~ptr~0.offset Int) (alloc_or_die_slave_~ptr~0.base Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| alloc_or_die_slave_~ptr~0.base (store (select |c_old(#memory_$Pointer$.base)| alloc_or_die_slave_~ptr~0.base) alloc_or_die_slave_~ptr~0.offset 0))) (< |c_#StackHeapBarrier| alloc_or_die_slave_~ptr~0.base))) is different from true [2019-11-15 21:15:48,893 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 20 [2019-11-15 21:15:49,249 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-15 21:15:49,250 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:15:49,256 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:15:49,256 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:15:49,257 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:30, output treesize:1 [2019-11-15 21:15:49,273 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 3 not checked. [2019-11-15 21:15:49,274 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 21:15:49,274 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 43 [2019-11-15 21:15:49,274 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337984551] [2019-11-15 21:15:49,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-11-15 21:15:49,275 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:15:49,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-11-15 21:15:49,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1609, Unknown=8, NotChecked=80, Total=1806 [2019-11-15 21:15:49,276 INFO L87 Difference]: Start difference. First operand 315 states and 340 transitions. Second operand 43 states. [2019-11-15 21:15:54,201 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 32 [2019-11-15 21:15:58,079 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-11-15 21:16:02,228 WARN L191 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-11-15 21:16:06,380 WARN L191 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-11-15 21:16:32,185 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 36 [2019-11-15 21:16:35,414 WARN L191 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2019-11-15 21:16:39,574 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-11-15 21:16:43,762 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-11-15 21:16:58,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:16:58,575 INFO L93 Difference]: Finished difference Result 362 states and 392 transitions. [2019-11-15 21:16:58,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-11-15 21:16:58,576 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 86 [2019-11-15 21:16:58,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:16:58,578 INFO L225 Difference]: With dead ends: 362 [2019-11-15 21:16:58,578 INFO L226 Difference]: Without dead ends: 359 [2019-11-15 21:16:58,579 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 85 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 969 ImplicationChecksByTransitivity, 65.7s TimeCoverageRelationStatistics Valid=353, Invalid=4324, Unknown=19, NotChecked=134, Total=4830 [2019-11-15 21:16:58,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2019-11-15 21:16:58,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 315. [2019-11-15 21:16:58,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-11-15 21:16:58,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 339 transitions. [2019-11-15 21:16:58,589 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 339 transitions. Word has length 86 [2019-11-15 21:16:58,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:16:58,590 INFO L462 AbstractCegarLoop]: Abstraction has 315 states and 339 transitions. [2019-11-15 21:16:58,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-11-15 21:16:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 339 transitions. [2019-11-15 21:16:58,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-15 21:16:58,591 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:16:58,592 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:16:58,795 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:16:58,796 INFO L410 AbstractCegarLoop]: === Iteration 21 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION]=== [2019-11-15 21:16:58,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:16:58,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1985549788, now seen corresponding path program 1 times [2019-11-15 21:16:58,796 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:16:58,796 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595960695] [2019-11-15 21:16:58,797 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:16:58,797 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:16:58,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:16:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:16:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:16:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:16:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:16:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:16:59,915 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 19 [2019-11-15 21:17:00,615 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 43 [2019-11-15 21:17:03,764 WARN L191 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 588 DAG size of output: 36 [2019-11-15 21:17:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:17:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:17:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:17:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:17:05,464 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2019-11-15 21:17:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:17:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:17:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 21:17:06,448 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595960695] [2019-11-15 21:17:06,449 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583266800] [2019-11-15 21:17:06,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:17:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:17:06,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 42 conjunts are in the unsatisfiable core [2019-11-15 21:17:06,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:17:06,681 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-15 21:17:06,681 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:17:06,687 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:17:06,688 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:17:06,688 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:3 [2019-11-15 21:17:06,929 INFO L392 ElimStorePlain]: Different costs {0=[|v_#valid_BEFORE_CALL_17|], 3=[|v_old(#valid)_BEFORE_CALL_5|]} [2019-11-15 21:17:06,935 INFO L496 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-15 21:17:06,984 INFO L567 ElimStorePlain]: treesize reduction 36, result has 64.0 percent of original size [2019-11-15 21:17:07,053 INFO L341 Elim1Store]: treesize reduction 13, result has 82.4 percent of original size [2019-11-15 21:17:07,053 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 314 treesize of output 206 [2019-11-15 21:17:07,054 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-15 21:17:07,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,056 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,057 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,062 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,063 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,063 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,065 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,068 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,069 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,073 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,074 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,079 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,082 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,086 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,087 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,088 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,090 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,090 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,091 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,092 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,094 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,095 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,098 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,100 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,102 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,103 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,105 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,106 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,106 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,107 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,108 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,109 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,110 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,110 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,111 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,113 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,114 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,115 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,116 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,116 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,118 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,119 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,119 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,120 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,123 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,124 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,125 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,126 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,126 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,129 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,130 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,130 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,131 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,133 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,135 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,137 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,137 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,140 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,141 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,142 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,143 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,144 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,145 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,146 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,149 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,151 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,154 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 21:17:07,159 INFO L392 ElimStorePlain]: Different costs {1=[v_arrayElimArr_2], 3=[v_arrayElimArr_1]} [2019-11-15 21:17:07,167 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:17:07,368 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 21:17:07,369 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_2 input size 48 context size 48 output size 48 at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:349) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:361) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) 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.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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 21:17:07,372 INFO L168 Benchmark]: Toolchain (without parser) took 225039.77 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 416.8 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -103.3 MB). Peak memory consumption was 313.5 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:07,372 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:17:07,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:07,374 INFO L168 Benchmark]: Boogie Preprocessor took 102.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:07,374 INFO L168 Benchmark]: RCFGBuilder took 1322.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:07,375 INFO L168 Benchmark]: TraceAbstraction took 222864.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -17.7 MB). Peak memory consumption was 238.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:07,376 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 745.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1322.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 222864.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -17.7 MB). Peak memory consumption was 238.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_2 input size 48 context size 48 output size 48 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_2 input size 48 context size 48 output size 48: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:349) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 21:17:09,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:17:09,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:17:09,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:17:09,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:17:09,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:17:09,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:17:09,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:17:09,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:17:09,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:17:09,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:17:09,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:17:09,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:17:09,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:17:09,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:17:09,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:17:09,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:17:09,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:17:09,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:17:09,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:17:09,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:17:09,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:17:09,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:17:09,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:17:09,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:17:09,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:17:09,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:17:09,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:17:09,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:17:09,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:17:09,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:17:09,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:17:09,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:17:09,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:17:09,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:17:09,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:17:09,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:17:09,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:17:09,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:17:09,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:17:09,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:17:09,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-15 21:17:09,953 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:17:09,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:17:09,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:17:09,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:17:09,955 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:17:09,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:17:09,956 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:17:09,956 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:17:09,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:17:09,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:17:09,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:17:09,957 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 21:17:09,957 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 21:17:09,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:17:09,958 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 21:17:09,958 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 21:17:09,958 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:17:09,958 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:17:09,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:17:09,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:17:09,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:17:09,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:17:09,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:17:09,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:17:09,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:17:09,961 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 21:17:09,961 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 21:17:09,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 21:17:09,961 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer 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-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 146af270e2f8566ff753c06eb0ba55e81faf9353 [2019-11-15 21:17:09,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:17:10,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:17:10,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:17:10,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:17:10,013 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:17:10,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/../../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2019-11-15 21:17:10,078 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/data/8f7385b84/8b6cfa68baf3474f96d43702792f703b/FLAG0e3ae154e [2019-11-15 21:17:10,610 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:17:10,611 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2019-11-15 21:17:10,631 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/data/8f7385b84/8b6cfa68baf3474f96d43702792f703b/FLAG0e3ae154e [2019-11-15 21:17:10,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/data/8f7385b84/8b6cfa68baf3474f96d43702792f703b [2019-11-15 21:17:10,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:17:10,853 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 21:17:10,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:17:10,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:17:10,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:17:10,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:17:10" (1/1) ... [2019-11-15 21:17:10,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725ae7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:10, skipping insertion in model container [2019-11-15 21:17:10,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:17:10" (1/1) ... [2019-11-15 21:17:10,870 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:17:10,936 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:17:11,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:17:11,374 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:17:11,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:17:11,531 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:17:11,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:11 WrapperNode [2019-11-15 21:17:11,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:17:11,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:17:11,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:17:11,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:17:11,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:11" (1/1) ... [2019-11-15 21:17:11,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:11" (1/1) ... [2019-11-15 21:17:11,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:11" (1/1) ... [2019-11-15 21:17:11,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:11" (1/1) ... [2019-11-15 21:17:11,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:11" (1/1) ... [2019-11-15 21:17:11,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:11" (1/1) ... [2019-11-15 21:17:11,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:11" (1/1) ... [2019-11-15 21:17:11,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:17:11,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:17:11,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:17:11,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:17:11,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/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 [2019-11-15 21:17:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 21:17:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:17:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:17:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 21:17:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 21:17:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-11-15 21:17:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2019-11-15 21:17:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2019-11-15 21:17:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2019-11-15 21:17:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2019-11-15 21:17:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2019-11-15 21:17:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2019-11-15 21:17:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2019-11-15 21:17:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2019-11-15 21:17:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2019-11-15 21:17:11,763 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2019-11-15 21:17:11,766 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2019-11-15 21:17:11,766 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2019-11-15 21:17:11,766 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2019-11-15 21:17:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2019-11-15 21:17:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2019-11-15 21:17:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 21:17:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 21:17:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 21:17:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 21:17:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 21:17:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 21:17:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 21:17:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 21:17:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 21:17:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 21:17:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 21:17:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 21:17:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 21:17:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 21:17:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 21:17:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 21:17:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 21:17:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 21:17:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 21:17:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 21:17:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 21:17:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 21:17:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 21:17:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 21:17:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 21:17:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 21:17:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 21:17:11,776 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 21:17:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 21:17:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 21:17:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 21:17:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 21:17:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 21:17:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 21:17:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 21:17:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 21:17:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 21:17:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 21:17:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 21:17:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 21:17:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 21:17:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 21:17:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 21:17:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 21:17:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 21:17:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 21:17:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 21:17:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 21:17:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 21:17:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 21:17:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 21:17:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 21:17:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 21:17:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 21:17:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 21:17:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 21:17:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 21:17:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 21:17:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-15 21:17:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 21:17:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 21:17:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 21:17:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 21:17:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 21:17:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 21:17:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 21:17:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 21:17:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 21:17:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 21:17:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 21:17:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 21:17:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 21:17:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 21:17:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 21:17:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 21:17:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 21:17:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 21:17:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 21:17:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 21:17:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 21:17:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 21:17:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 21:17:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 21:17:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 21:17:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 21:17:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 21:17:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 21:17:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 21:17:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 21:17:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 21:17:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 21:17:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 21:17:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 21:17:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 21:17:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 21:17:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 21:17:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 21:17:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 21:17:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 21:17:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 21:17:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 21:17:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 21:17:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 21:17:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 21:17:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 21:17:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 21:17:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 21:17:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 21:17:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-11-15 21:17:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2019-11-15 21:17:11,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 21:17:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 21:17:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2019-11-15 21:17:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2019-11-15 21:17:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 21:17:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2019-11-15 21:17:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:17:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-15 21:17:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 21:17:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:17:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2019-11-15 21:17:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2019-11-15 21:17:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2019-11-15 21:17:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2019-11-15 21:17:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2019-11-15 21:17:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2019-11-15 21:17:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2019-11-15 21:17:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2019-11-15 21:17:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2019-11-15 21:17:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2019-11-15 21:17:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2019-11-15 21:17:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 21:17:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 21:17:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:17:13,486 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:17:13,486 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-15 21:17:13,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:17:13 BoogieIcfgContainer [2019-11-15 21:17:13,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:17:13,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:17:13,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:17:13,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:17:13,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:17:10" (1/3) ... [2019-11-15 21:17:13,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbf2f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:17:13, skipping insertion in model container [2019-11-15 21:17:13,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:11" (2/3) ... [2019-11-15 21:17:13,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbf2f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:17:13, skipping insertion in model container [2019-11-15 21:17:13,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:17:13" (3/3) ... [2019-11-15 21:17:13,498 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2019-11-15 21:17:13,509 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:17:13,518 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 97 error locations. [2019-11-15 21:17:13,530 INFO L249 AbstractCegarLoop]: Starting to check reachability of 97 error locations. [2019-11-15 21:17:13,552 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:17:13,553 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 21:17:13,553 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:17:13,553 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:17:13,553 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:17:13,554 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:17:13,554 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:17:13,554 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:17:13,584 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states. [2019-11-15 21:17:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 21:17:13,595 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:17:13,596 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:17:13,599 INFO L410 AbstractCegarLoop]: === Iteration 1 === [dll_destroy_nested_listsErr0REQUIRES_VIOLATION, dll_destroy_nested_listsErr1REQUIRES_VIOLATION, dll_destroy_nested_listsErr2REQUIRES_VIOLATION, dll_destroy_nested_listsErr3REQUIRES_VIOLATION, dll_insert_masterErr5REQUIRES_VIOLATION, dll_insert_masterErr0REQUIRES_VIOLATION, dll_insert_masterErr6REQUIRES_VIOLATION, dll_insert_masterErr1REQUIRES_VIOLATION, dll_insert_masterErr7REQUIRES_VIOLATION, dll_insert_masterErr2REQUIRES_VIOLATION, dll_insert_masterErr8REQUIRES_VIOLATION, dll_insert_masterErr3REQUIRES_VIOLATION, dll_insert_masterErr9REQUIRES_VIOLATION, dll_insert_masterErr4REQUIRES_VIOLATION, dll_destroy_masterErr3ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_masterErr0REQUIRES_VIOLATION, dll_destroy_masterErr1REQUIRES_VIOLATION, dll_destroy_masterErr2ASSERT_VIOLATIONMEMORY_FREE, dll_create_genericErr0REQUIRES_VIOLATION, dll_create_genericErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, dll_destroy_slaveErr0REQUIRES_VIOLATION, dll_destroy_slaveErr1REQUIRES_VIOLATION, dll_destroy_slaveErr4ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroy_slaveErr3ASSERT_VIOLATIONMEMORY_FREE, dll_reinit_nested_listsErr3REQUIRES_VIOLATION, dll_reinit_nested_listsErr0REQUIRES_VIOLATION, dll_reinit_nested_listsErr1REQUIRES_VIOLATION, dll_reinit_nested_listsErr2REQUIRES_VIOLATION, inspect_initErr3REQUIRES_VIOLATION, inspect_initErr0REQUIRES_VIOLATION, inspect_initErr2REQUIRES_VIOLATION, inspect_initErr1REQUIRES_VIOLATION, inspect_baseErr8REQUIRES_VIOLATION, inspect_baseErr9REQUIRES_VIOLATION, inspect_baseErr10REQUIRES_VIOLATION, inspect_baseErr0REQUIRES_VIOLATION, inspect_baseErr11REQUIRES_VIOLATION, inspect_baseErr1REQUIRES_VIOLATION, inspect_baseErr12REQUIRES_VIOLATION, inspect_baseErr2REQUIRES_VIOLATION, inspect_baseErr13REQUIRES_VIOLATION, inspect_baseErr3REQUIRES_VIOLATION, inspect_baseErr14REQUIRES_VIOLATION, inspect_baseErr4REQUIRES_VIOLATION, inspect_baseErr15REQUIRES_VIOLATION, inspect_baseErr5REQUIRES_VIOLATION, inspect_baseErr16REQUIRES_VIOLATION, inspect_baseErr6REQUIRES_VIOLATION, inspect_baseErr17REQUIRES_VIOLATION, inspect_baseErr7REQUIRES_VIOLATION, alloc_or_die_slaveErr2REQUIRES_VIOLATION, alloc_or_die_slaveErr1REQUIRES_VIOLATION, alloc_or_die_slaveErr0REQUIRES_VIOLATION, alloc_or_die_slaveErr3REQUIRES_VIOLATION, inspect_fullErr8REQUIRES_VIOLATION, inspect_fullErr19REQUIRES_VIOLATION, inspect_fullErr9REQUIRES_VIOLATION, inspect_fullErr10REQUIRES_VIOLATION, inspect_fullErr20REQUIRES_VIOLATION, inspect_fullErr0REQUIRES_VIOLATION, inspect_fullErr21REQUIRES_VIOLATION, inspect_fullErr11REQUIRES_VIOLATION, inspect_fullErr12REQUIRES_VIOLATION, inspect_fullErr1REQUIRES_VIOLATION, inspect_fullErr2REQUIRES_VIOLATION, inspect_fullErr13REQUIRES_VIOLATION, inspect_fullErr14REQUIRES_VIOLATION, inspect_fullErr3REQUIRES_VIOLATION, inspect_fullErr4REQUIRES_VIOLATION, inspect_fullErr15REQUIRES_VIOLATION, inspect_fullErr16REQUIRES_VIOLATION, inspect_fullErr5REQUIRES_VIOLATION, inspect_fullErr6REQUIRES_VIOLATION, inspect_fullErr18REQUIRES_VIOLATION, inspect_fullErr17REQUIRES_VIOLATION, inspect_fullErr7REQUIRES_VIOLATION, alloc_or_die_masterErr5REQUIRES_VIOLATION, alloc_or_die_masterErr0REQUIRES_VIOLATION, alloc_or_die_masterErr1REQUIRES_VIOLATION, alloc_or_die_masterErr2REQUIRES_VIOLATION, alloc_or_die_masterErr3REQUIRES_VIOLATION, alloc_or_die_masterErr4REQUIRES_VIOLATION, dll_insert_slaveErr5REQUIRES_VIOLATION, dll_insert_slaveErr0REQUIRES_VIOLATION, dll_insert_slaveErr6REQUIRES_VIOLATION, dll_insert_slaveErr1REQUIRES_VIOLATION, dll_insert_slaveErr7REQUIRES_VIOLATION, dll_insert_slaveErr2REQUIRES_VIOLATION, dll_insert_slaveErr3REQUIRES_VIOLATION, dll_insert_slaveErr4REQUIRES_VIOLATION, inspect_danglingErr1REQUIRES_VIOLATION, inspect_danglingErr2REQUIRES_VIOLATION, inspect_danglingErr0REQUIRES_VIOLATION, inspect_danglingErr3REQUIRES_VIOLATION]=== [2019-11-15 21:17:13,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:17:13,605 INFO L82 PathProgramCache]: Analyzing trace with hash -592043058, now seen corresponding path program 1 times [2019-11-15 21:17:13,618 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:17:13,618 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [580228874] [2019-11-15 21:17:13,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9555153d-ccd9-44a9-ab9d-8de598e7f8dc/bin/uautomizer/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 [2019-11-15 21:17:13,856 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:17:13,856 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 21:17:13,862 INFO L168 Benchmark]: Toolchain (without parser) took 3007.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.6 MB in the beginning and 980.0 MB in the end (delta: -34.4 MB). Peak memory consumption was 95.1 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:13,863 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:17:13,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:13,864 INFO L168 Benchmark]: Boogie Preprocessor took 142.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:13,865 INFO L168 Benchmark]: RCFGBuilder took 1812.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.2 MB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:13,866 INFO L168 Benchmark]: TraceAbstraction took 369.75 ms. Allocated memory is still 1.2 GB. Free memory was 992.2 MB in the beginning and 980.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:13,870 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 678.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 142.99 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1812.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.2 MB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 369.75 ms. Allocated memory is still 1.2 GB. Free memory was 992.2 MB in the beginning and 980.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort C_DOUBLE 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...