./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/list-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 283704c20cde057c38dc133107a27c4d033fb1ba ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 283704c20cde057c38dc133107a27c4d033fb1ba ................................................................................................................................................................................................................................................................................................................................................................. 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 22:35:31,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:35:31,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:35:31,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:35:31,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:35:31,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:35:31,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:35:31,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:35:31,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:35:31,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:35:31,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:35:31,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:35:31,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:35:31,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:35:31,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:35:31,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:35:31,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:35:31,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:35:31,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:35:31,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:35:31,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:35:31,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:35:31,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:35:31,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:35:31,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:35:31,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:35:31,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:35:31,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:35:31,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:35:31,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:35:31,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:35:31,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:35:31,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:35:31,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:35:31,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:35:31,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:35:31,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:35:31,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:35:31,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:35:31,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:35:31,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:35:31,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 22:35:31,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:35:31,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:35:31,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:35:31,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:35:31,541 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:35:31,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:35:31,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:35:31,542 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:35:31,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:35:31,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:35:31,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:35:31,543 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 22:35:31,544 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 22:35:31,544 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 22:35:31,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:35:31,545 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:35:31,545 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:35:31,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:35:31,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:35:31,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:35:31,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:35:31,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:35:31,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:35:31,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:35:31,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:35:31,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:35:31,548 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_9780fb85-22f4-46ca-a4a3-f74b7c373a61/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> 283704c20cde057c38dc133107a27c4d033fb1ba [2019-11-15 22:35:31,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:35:31,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:35:31,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:35:31,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:35:31,601 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:35:31,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/../../sv-benchmarks/c/list-properties/list-1.i [2019-11-15 22:35:31,667 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/data/f5932388d/e2c5d96e69d84a419b5669abb4076440/FLAG4d5c93c65 [2019-11-15 22:35:32,254 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:35:32,255 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/sv-benchmarks/c/list-properties/list-1.i [2019-11-15 22:35:32,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/data/f5932388d/e2c5d96e69d84a419b5669abb4076440/FLAG4d5c93c65 [2019-11-15 22:35:32,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/data/f5932388d/e2c5d96e69d84a419b5669abb4076440 [2019-11-15 22:35:32,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:35:32,482 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 22:35:32,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:35:32,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:35:32,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:35:32,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:35:32" (1/1) ... [2019-11-15 22:35:32,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f1b5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:32, skipping insertion in model container [2019-11-15 22:35:32,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:35:32" (1/1) ... [2019-11-15 22:35:32,502 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:35:32,542 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:35:33,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:35:33,090 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:35:33,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:35:33,219 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:35:33,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:33 WrapperNode [2019-11-15 22:35:33,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:35:33,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:35:33,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:35:33,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:35:33,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:33" (1/1) ... [2019-11-15 22:35:33,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:33" (1/1) ... [2019-11-15 22:35:33,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:33" (1/1) ... [2019-11-15 22:35:33,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:33" (1/1) ... [2019-11-15 22:35:33,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:33" (1/1) ... [2019-11-15 22:35:33,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:33" (1/1) ... [2019-11-15 22:35:33,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:33" (1/1) ... [2019-11-15 22:35:33,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:35:33,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:35:33,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:35:33,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:35:33,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/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 22:35:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 22:35:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:35:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 22:35:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 22:35:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 22:35:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 22:35:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 22:35:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-15 22:35:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 22:35:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 22:35:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 22:35:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 22:35:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 22:35:33,360 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 22:35:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 22:35:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 22:35:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 22:35:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 22:35:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 22:35:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 22:35:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 22:35:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 22:35:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 22:35:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 22:35:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 22:35:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 22:35:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 22:35:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 22:35:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 22:35:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 22:35:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 22:35:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 22:35:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 22:35:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 22:35:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 22:35:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 22:35:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 22:35:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 22:35:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 22:35:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 22:35:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 22:35:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 22:35:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 22:35:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 22:35:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 22:35:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 22:35:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 22:35:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 22:35:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 22:35:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 22:35:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 22:35:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 22:35:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 22:35:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 22:35:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 22:35:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 22:35:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 22:35:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 22:35:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 22:35:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 22:35:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 22:35:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 22:35:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 22:35:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 22:35:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 22:35:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 22:35:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 22:35:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 22:35:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 22:35:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 22:35:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 22:35:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 22:35:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 22:35:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 22:35:33,377 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 22:35:33,377 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 22:35:33,379 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 22:35:33,379 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 22:35:33,380 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 22:35:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 22:35:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 22:35:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 22:35:33,381 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 22:35:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 22:35:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 22:35:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 22:35:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 22:35:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 22:35:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 22:35:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 22:35:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 22:35:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 22:35:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 22:35:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 22:35:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 22:35:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 22:35:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 22:35:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 22:35:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 22:35:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 22:35:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 22:35:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 22:35:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 22:35:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 22:35:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 22:35:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 22:35:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 22:35:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 22:35:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 22:35:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 22:35:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 22:35:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 22:35:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 22:35:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 22:35:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 22:35:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 22:35:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 22:35:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 22:35:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-15 22:35:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 22:35:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:35:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:35:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 22:35:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 22:35:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:35:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 22:35:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:35:33,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:35:33,808 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-15 22:35:34,094 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:35:34,094 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 22:35:34,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:35:34 BoogieIcfgContainer [2019-11-15 22:35:34,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:35:34,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:35:34,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:35:34,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:35:34,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:35:32" (1/3) ... [2019-11-15 22:35:34,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb85c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:35:34, skipping insertion in model container [2019-11-15 22:35:34,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:33" (2/3) ... [2019-11-15 22:35:34,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb85c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:35:34, skipping insertion in model container [2019-11-15 22:35:34,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:35:34" (3/3) ... [2019-11-15 22:35:34,105 INFO L109 eAbstractionObserver]: Analyzing ICFG list-1.i [2019-11-15 22:35:34,117 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:35:34,126 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2019-11-15 22:35:34,140 INFO L249 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2019-11-15 22:35:34,163 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:35:34,163 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 22:35:34,163 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:35:34,163 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:35:34,164 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:35:34,164 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:35:34,164 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:35:34,164 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:35:34,184 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2019-11-15 22:35:34,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 22:35:34,196 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:35:34,197 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:35:34,199 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION]=== [2019-11-15 22:35:34,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:35:34,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1350219809, now seen corresponding path program 1 times [2019-11-15 22:35:34,217 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:35:34,218 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150227482] [2019-11-15 22:35:34,218 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:34,219 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:34,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:35:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:34,438 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 22:35:34,440 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150227482] [2019-11-15 22:35:34,442 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:35:34,442 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:35:34,443 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625354225] [2019-11-15 22:35:34,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:35:34,449 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:35:34,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:35:34,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:35:34,469 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 3 states. [2019-11-15 22:35:34,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:35:34,704 INFO L93 Difference]: Finished difference Result 72 states and 78 transitions. [2019-11-15 22:35:34,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:35:34,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-15 22:35:34,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:35:34,722 INFO L225 Difference]: With dead ends: 72 [2019-11-15 22:35:34,722 INFO L226 Difference]: Without dead ends: 63 [2019-11-15 22:35:34,724 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:35:34,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-15 22:35:34,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-15 22:35:34,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-15 22:35:34,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 66 transitions. [2019-11-15 22:35:34,795 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 66 transitions. Word has length 11 [2019-11-15 22:35:34,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:35:34,796 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 66 transitions. [2019-11-15 22:35:34,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:35:34,796 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2019-11-15 22:35:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 22:35:34,797 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:35:34,798 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:35:34,798 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION]=== [2019-11-15 22:35:34,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:35:34,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1350245435, now seen corresponding path program 1 times [2019-11-15 22:35:34,799 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:35:34,799 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218721719] [2019-11-15 22:35:34,800 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:34,801 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:34,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:35:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:34,947 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 22:35:34,948 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218721719] [2019-11-15 22:35:34,948 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:35:34,948 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:35:34,949 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713341491] [2019-11-15 22:35:34,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:35:34,957 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:35:34,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:35:34,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:35:34,959 INFO L87 Difference]: Start difference. First operand 63 states and 66 transitions. Second operand 5 states. [2019-11-15 22:35:35,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:35:35,266 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2019-11-15 22:35:35,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:35:35,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-15 22:35:35,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:35:35,268 INFO L225 Difference]: With dead ends: 70 [2019-11-15 22:35:35,268 INFO L226 Difference]: Without dead ends: 70 [2019-11-15 22:35:35,269 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 22:35:35,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-15 22:35:35,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2019-11-15 22:35:35,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-15 22:35:35,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2019-11-15 22:35:35,291 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 11 [2019-11-15 22:35:35,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:35:35,292 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2019-11-15 22:35:35,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:35:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2019-11-15 22:35:35,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 22:35:35,293 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:35:35,293 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:35:35,294 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION]=== [2019-11-15 22:35:35,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:35:35,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1350245434, now seen corresponding path program 1 times [2019-11-15 22:35:35,295 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:35:35,296 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747493907] [2019-11-15 22:35:35,296 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:35,296 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:35,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:35:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:35,445 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 22:35:35,446 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747493907] [2019-11-15 22:35:35,447 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:35:35,447 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:35:35,447 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195796110] [2019-11-15 22:35:35,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:35:35,449 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:35:35,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:35:35,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:35:35,450 INFO L87 Difference]: Start difference. First operand 65 states and 75 transitions. Second operand 5 states. [2019-11-15 22:35:35,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:35:35,782 INFO L93 Difference]: Finished difference Result 88 states and 95 transitions. [2019-11-15 22:35:35,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:35:35,783 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-15 22:35:35,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:35:35,785 INFO L225 Difference]: With dead ends: 88 [2019-11-15 22:35:35,785 INFO L226 Difference]: Without dead ends: 88 [2019-11-15 22:35:35,786 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 22:35:35,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-11-15 22:35:35,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 79. [2019-11-15 22:35:35,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-15 22:35:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2019-11-15 22:35:35,797 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 11 [2019-11-15 22:35:35,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:35:35,797 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2019-11-15 22:35:35,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:35:35,798 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2019-11-15 22:35:35,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 22:35:35,799 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:35:35,800 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:35:35,800 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION]=== [2019-11-15 22:35:35,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:35:35,801 INFO L82 PathProgramCache]: Analyzing trace with hash -878043118, now seen corresponding path program 1 times [2019-11-15 22:35:35,802 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:35:35,802 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156611738] [2019-11-15 22:35:35,802 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:35,803 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:35,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:35:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:35,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:35:35,945 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156611738] [2019-11-15 22:35:35,950 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:35:35,950 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:35:35,951 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666959750] [2019-11-15 22:35:35,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:35:35,953 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:35:35,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:35:35,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:35:35,954 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand 7 states. [2019-11-15 22:35:36,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:35:36,365 INFO L93 Difference]: Finished difference Result 112 states and 119 transitions. [2019-11-15 22:35:36,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:35:36,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-11-15 22:35:36,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:35:36,368 INFO L225 Difference]: With dead ends: 112 [2019-11-15 22:35:36,369 INFO L226 Difference]: Without dead ends: 112 [2019-11-15 22:35:36,369 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:35:36,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-15 22:35:36,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 82. [2019-11-15 22:35:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-15 22:35:36,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 90 transitions. [2019-11-15 22:35:36,380 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 90 transitions. Word has length 19 [2019-11-15 22:35:36,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:35:36,381 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 90 transitions. [2019-11-15 22:35:36,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:35:36,382 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2019-11-15 22:35:36,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 22:35:36,383 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:35:36,383 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:35:36,384 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION]=== [2019-11-15 22:35:36,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:35:36,385 INFO L82 PathProgramCache]: Analyzing trace with hash 385795896, now seen corresponding path program 1 times [2019-11-15 22:35:36,385 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:35:36,385 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000514665] [2019-11-15 22:35:36,386 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:36,386 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:36,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:35:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:35:36,525 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000514665] [2019-11-15 22:35:36,526 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:35:36,526 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:35:36,526 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218467874] [2019-11-15 22:35:36,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:35:36,526 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:35:36,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:35:36,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:35:36,527 INFO L87 Difference]: Start difference. First operand 82 states and 90 transitions. Second operand 7 states. [2019-11-15 22:35:36,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:35:36,974 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2019-11-15 22:35:36,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:35:36,976 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-11-15 22:35:36,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:35:36,977 INFO L225 Difference]: With dead ends: 105 [2019-11-15 22:35:36,977 INFO L226 Difference]: Without dead ends: 105 [2019-11-15 22:35:36,978 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:35:36,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-15 22:35:36,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 85. [2019-11-15 22:35:36,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-15 22:35:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2019-11-15 22:35:36,989 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 19 [2019-11-15 22:35:36,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:35:36,989 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2019-11-15 22:35:36,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:35:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2019-11-15 22:35:36,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 22:35:36,991 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:35:36,991 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:35:36,992 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION]=== [2019-11-15 22:35:36,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:35:36,992 INFO L82 PathProgramCache]: Analyzing trace with hash 385795897, now seen corresponding path program 1 times [2019-11-15 22:35:36,992 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:35:36,993 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466372596] [2019-11-15 22:35:36,993 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:36,993 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:36,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:35:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:37,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:35:37,134 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466372596] [2019-11-15 22:35:37,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:35:37,135 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:35:37,135 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022920858] [2019-11-15 22:35:37,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:35:37,136 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:35:37,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:35:37,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:35:37,136 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 7 states. [2019-11-15 22:35:37,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:35:37,643 INFO L93 Difference]: Finished difference Result 106 states and 116 transitions. [2019-11-15 22:35:37,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:35:37,643 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-11-15 22:35:37,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:35:37,645 INFO L225 Difference]: With dead ends: 106 [2019-11-15 22:35:37,645 INFO L226 Difference]: Without dead ends: 106 [2019-11-15 22:35:37,645 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:35:37,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-15 22:35:37,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 76. [2019-11-15 22:35:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-15 22:35:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2019-11-15 22:35:37,656 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 19 [2019-11-15 22:35:37,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:35:37,657 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2019-11-15 22:35:37,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:35:37,657 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2019-11-15 22:35:37,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 22:35:37,665 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:35:37,666 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:35:37,666 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION]=== [2019-11-15 22:35:37,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:35:37,667 INFO L82 PathProgramCache]: Analyzing trace with hash -2033424545, now seen corresponding path program 1 times [2019-11-15 22:35:37,667 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:35:37,667 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496869135] [2019-11-15 22:35:37,671 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:37,672 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:37,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:35:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:35:37,795 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496869135] [2019-11-15 22:35:37,795 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:35:37,795 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:35:37,795 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476014169] [2019-11-15 22:35:37,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:35:37,796 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:35:37,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:35:37,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:35:37,797 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2019-11-15 22:35:38,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:35:38,055 INFO L93 Difference]: Finished difference Result 101 states and 108 transitions. [2019-11-15 22:35:38,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:35:38,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-11-15 22:35:38,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:35:38,056 INFO L225 Difference]: With dead ends: 101 [2019-11-15 22:35:38,056 INFO L226 Difference]: Without dead ends: 101 [2019-11-15 22:35:38,057 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-15 22:35:38,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-11-15 22:35:38,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 78. [2019-11-15 22:35:38,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-15 22:35:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2019-11-15 22:35:38,066 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 21 [2019-11-15 22:35:38,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:35:38,067 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2019-11-15 22:35:38,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:35:38,067 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2019-11-15 22:35:38,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 22:35:38,068 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:35:38,068 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:35:38,069 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION]=== [2019-11-15 22:35:38,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:35:38,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1965728522, now seen corresponding path program 1 times [2019-11-15 22:35:38,070 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:35:38,070 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027089359] [2019-11-15 22:35:38,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:38,070 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:38,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:35:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:38,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:35:38,160 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027089359] [2019-11-15 22:35:38,160 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:35:38,161 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:35:38,161 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701103998] [2019-11-15 22:35:38,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:35:38,162 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:35:38,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:35:38,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:35:38,163 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand 7 states. [2019-11-15 22:35:38,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:35:38,477 INFO L93 Difference]: Finished difference Result 86 states and 93 transitions. [2019-11-15 22:35:38,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:35:38,478 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-11-15 22:35:38,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:35:38,479 INFO L225 Difference]: With dead ends: 86 [2019-11-15 22:35:38,479 INFO L226 Difference]: Without dead ends: 86 [2019-11-15 22:35:38,479 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:35:38,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-11-15 22:35:38,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 76. [2019-11-15 22:35:38,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-15 22:35:38,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2019-11-15 22:35:38,486 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 21 [2019-11-15 22:35:38,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:35:38,486 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2019-11-15 22:35:38,486 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:35:38,487 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2019-11-15 22:35:38,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-15 22:35:38,488 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:35:38,488 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:35:38,488 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION]=== [2019-11-15 22:35:38,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:35:38,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1965728523, now seen corresponding path program 1 times [2019-11-15 22:35:38,489 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:35:38,489 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702618864] [2019-11-15 22:35:38,490 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:38,490 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:38,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:35:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:35:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:35:38,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702618864] [2019-11-15 22:35:38,593 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:35:38,593 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:35:38,593 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102705335] [2019-11-15 22:35:38,594 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:35:38,594 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:35:38,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:35:38,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:35:38,594 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2019-11-15 22:35:39,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:35:39,000 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2019-11-15 22:35:39,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:35:39,000 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-11-15 22:35:39,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:35:39,001 INFO L225 Difference]: With dead ends: 83 [2019-11-15 22:35:39,002 INFO L226 Difference]: Without dead ends: 83 [2019-11-15 22:35:39,002 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:35:39,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-15 22:35:39,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 64. [2019-11-15 22:35:39,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-15 22:35:39,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 72 transitions. [2019-11-15 22:35:39,008 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 72 transitions. Word has length 21 [2019-11-15 22:35:39,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:35:39,008 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 72 transitions. [2019-11-15 22:35:39,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:35:39,009 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2019-11-15 22:35:39,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 22:35:39,010 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:35:39,010 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] [2019-11-15 22:35:39,010 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION]=== [2019-11-15 22:35:39,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:35:39,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1386723445, now seen corresponding path program 1 times [2019-11-15 22:35:39,011 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:35:39,011 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166814783] [2019-11-15 22:35:39,011 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:39,012 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:35:39,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:35:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:35:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:35:39,065 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:35:39,066 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:35:39,080 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-15 22:35:39,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:35:39 BoogieIcfgContainer [2019-11-15 22:35:39,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:35:39,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:35:39,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:35:39,095 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:35:39,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:35:34" (3/4) ... [2019-11-15 22:35:39,099 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:35:39,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:35:39,102 INFO L168 Benchmark]: Toolchain (without parser) took 6619.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 946.0 MB in the beginning and 930.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 176.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:35:39,103 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:35:39,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:35:39,105 INFO L168 Benchmark]: Boogie Preprocessor took 68.26 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 22:35:39,105 INFO L168 Benchmark]: RCFGBuilder took 805.27 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:35:39,106 INFO L168 Benchmark]: TraceAbstraction took 4997.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 930.0 MB in the end (delta: 147.6 MB). Peak memory consumption was 147.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:35:39,107 INFO L168 Benchmark]: Witness Printer took 5.25 ms. Allocated memory is still 1.2 GB. Free memory is still 930.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:35:39,110 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 738.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -191.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.26 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 805.27 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4997.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 930.0 MB in the end (delta: 147.6 MB). Peak memory consumption was 147.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.25 ms. Allocated memory is still 1.2 GB. Free memory is still 930.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 520]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 520. Possible FailurePath: [L521] List a = (List) malloc(sizeof(struct node)); VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}] [L522] COND FALSE !(a == 0) VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}] [L523] List t; [L524] List p = a; VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}] [L525] COND FALSE !(__VERIFIER_nondet_int()) [L532] COND FALSE !(__VERIFIER_nondet_int()) [L539] p->h = 3 VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}] [L540] p = a VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}] [L541] EXPR p->h VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3] [L541] COND FALSE !(p->h == 1) [L543] EXPR p->h VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3] [L543] COND FALSE !(p->h == 2) [L545] EXPR p->h VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3] [L545] COND FALSE !(p->h != 3) [L547] return 0; VAL [\result=0, a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 88 locations, 25 error locations. Result: UNSAFE, OverallTime: 4.9s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 399 SDtfs, 589 SDslu, 748 SDs, 0 SdLazy, 1643 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 146 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 10156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 22:35:41,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:35:41,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:35:41,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:35:41,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:35:41,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:35:41,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:35:41,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:35:41,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:35:41,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:35:41,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:35:41,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:35:41,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:35:41,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:35:41,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:35:41,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:35:41,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:35:41,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:35:41,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:35:42,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:35:42,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:35:42,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:35:42,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:35:42,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:35:42,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:35:42,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:35:42,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:35:42,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:35:42,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:35:42,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:35:42,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:35:42,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:35:42,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:35:42,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:35:42,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:35:42,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:35:42,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:35:42,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:35:42,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:35:42,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:35:42,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:35:42,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-15 22:35:42,049 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:35:42,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:35:42,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:35:42,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:35:42,051 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:35:42,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:35:42,052 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:35:42,052 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:35:42,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:35:42,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:35:42,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:35:42,053 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 22:35:42,054 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 22:35:42,054 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 22:35:42,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:35:42,055 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:35:42,055 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:35:42,055 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:35:42,055 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:35:42,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:35:42,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:35:42,056 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:35:42,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:35:42,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:35:42,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:35:42,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:35:42,058 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:35:42,058 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:35:42,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:35:42,059 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_9780fb85-22f4-46ca-a4a3-f74b7c373a61/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> 283704c20cde057c38dc133107a27c4d033fb1ba [2019-11-15 22:35:42,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:35:42,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:35:42,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:35:42,123 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:35:42,125 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:35:42,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/../../sv-benchmarks/c/list-properties/list-1.i [2019-11-15 22:35:42,209 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/data/666d7e46d/b1075eb9341647109fdf47f192a50e0b/FLAG455f555f3 [2019-11-15 22:35:42,839 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:35:42,840 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/sv-benchmarks/c/list-properties/list-1.i [2019-11-15 22:35:42,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/data/666d7e46d/b1075eb9341647109fdf47f192a50e0b/FLAG455f555f3 [2019-11-15 22:35:43,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/bin/uautomizer/data/666d7e46d/b1075eb9341647109fdf47f192a50e0b [2019-11-15 22:35:43,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:35:43,085 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 22:35:43,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:35:43,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:35:43,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:35:43,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:35:43" (1/1) ... [2019-11-15 22:35:43,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c48f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:43, skipping insertion in model container [2019-11-15 22:35:43,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:35:43" (1/1) ... [2019-11-15 22:35:43,107 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:35:43,150 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:35:43,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:35:43,647 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:35:43,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:35:43,801 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:35:43,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:43 WrapperNode [2019-11-15 22:35:43,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:35:43,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:35:43,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:35:43,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:35:43,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:43" (1/1) ... [2019-11-15 22:35:43,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:43" (1/1) ... [2019-11-15 22:35:43,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:43" (1/1) ... [2019-11-15 22:35:43,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:43" (1/1) ... [2019-11-15 22:35:43,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:43" (1/1) ... [2019-11-15 22:35:43,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:43" (1/1) ... [2019-11-15 22:35:43,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:43" (1/1) ... [2019-11-15 22:35:43,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:35:43,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:35:43,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:35:43,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:35:43,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/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 22:35:43,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 22:35:43,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:35:43,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 22:35:43,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 22:35:43,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 22:35:43,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 22:35:43,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 22:35:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-15 22:35:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 22:35:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 22:35:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 22:35:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 22:35:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 22:35:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 22:35:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 22:35:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 22:35:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 22:35:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 22:35:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 22:35:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 22:35:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 22:35:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 22:35:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 22:35:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 22:35:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 22:35:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 22:35:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 22:35:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 22:35:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 22:35:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 22:35:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 22:35:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 22:35:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 22:35:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 22:35:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 22:35:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 22:35:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 22:35:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 22:35:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 22:35:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 22:35:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 22:35:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 22:35:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 22:35:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 22:35:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 22:35:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 22:35:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 22:35:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 22:35:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 22:35:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 22:35:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 22:35:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 22:35:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 22:35:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 22:35:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 22:35:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 22:35:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 22:35:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 22:35:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 22:35:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 22:35:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 22:35:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 22:35:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 22:35:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 22:35:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 22:35:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 22:35:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 22:35:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 22:35:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 22:35:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 22:35:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 22:35:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 22:35:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 22:35:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 22:35:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 22:35:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 22:35:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 22:35:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 22:35:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 22:35:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 22:35:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 22:35:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 22:35:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 22:35:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 22:35:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 22:35:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 22:35:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 22:35:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 22:35:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 22:35:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 22:35:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 22:35:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 22:35:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 22:35:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 22:35:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 22:35:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 22:35:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 22:35:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 22:35:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 22:35:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 22:35:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 22:35:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 22:35:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 22:35:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 22:35:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 22:35:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 22:35:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 22:35:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 22:35:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 22:35:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 22:35:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 22:35:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 22:35:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 22:35:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 22:35:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 22:35:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 22:35:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 22:35:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 22:35:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-15 22:35:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 22:35:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:35:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 22:35:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 22:35:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 22:35:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 22:35:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 22:35:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:35:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:35:44,472 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-15 22:35:44,949 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:35:44,950 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 22:35:44,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:35:44 BoogieIcfgContainer [2019-11-15 22:35:44,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:35:44,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:35:44,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:35:44,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:35:44,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:35:43" (1/3) ... [2019-11-15 22:35:44,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a55ca91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:35:44, skipping insertion in model container [2019-11-15 22:35:44,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:43" (2/3) ... [2019-11-15 22:35:44,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a55ca91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:35:44, skipping insertion in model container [2019-11-15 22:35:44,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:35:44" (3/3) ... [2019-11-15 22:35:44,965 INFO L109 eAbstractionObserver]: Analyzing ICFG list-1.i [2019-11-15 22:35:44,978 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:35:45,006 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2019-11-15 22:35:45,020 INFO L249 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2019-11-15 22:35:45,047 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:35:45,047 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 22:35:45,048 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:35:45,048 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:35:45,048 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:35:45,049 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:35:45,049 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:35:45,049 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:35:45,073 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2019-11-15 22:35:45,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 22:35:45,090 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:35:45,092 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:35:45,095 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION]=== [2019-11-15 22:35:45,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:35:45,103 INFO L82 PathProgramCache]: Analyzing trace with hash 41225819, now seen corresponding path program 1 times [2019-11-15 22:35:45,117 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:35:45,117 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [324997379] [2019-11-15 22:35:45,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9780fb85-22f4-46ca-a4a3-f74b7c373a61/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 22:35:45,363 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:35:45,364 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 22:35:45,371 INFO L168 Benchmark]: Toolchain (without parser) took 2285.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -118.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:35:45,373 INFO L168 Benchmark]: CDTParser took 1.08 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 22:35:45,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -201.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:35:45,377 INFO L168 Benchmark]: Boogie Preprocessor took 105.66 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:35:45,379 INFO L168 Benchmark]: RCFGBuilder took 1043.04 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: 50.2 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:35:45,380 INFO L168 Benchmark]: TraceAbstraction took 415.49 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: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:35:45,396 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 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 716.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -201.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 105.66 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1043.04 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: 50.2 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 415.49 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: 12.0 MB). Peak memory consumption was 12.0 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...