./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/simple-2.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_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/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 17ff5ae56efea2deac29e7fa779d53a24810a7c7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/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 17ff5ae56efea2deac29e7fa779d53a24810a7c7 ................................................................................................................................................................................................................................................................................................................................................................. 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 [2019-11-16 00:05:41,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:05:41,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:05:41,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:05:41,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:05:41,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:05:41,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:05:41,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:05:41,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:05:41,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:05:41,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:05:41,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:05:41,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:05:41,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:05:41,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:05:41,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:05:41,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:05:41,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:05:41,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:05:41,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:05:41,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:05:41,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:05:41,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:05:41,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:05:41,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:05:41,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:05:41,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:05:41,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:05:41,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:05:41,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:05:41,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:05:41,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:05:41,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:05:41,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:05:41,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:05:41,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:05:41,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:05:41,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:05:41,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:05:41,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:05:41,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:05:41,691 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 00:05:41,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:05:41,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:05:41,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:05:41,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:05:41,707 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:05:41,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:05:41,708 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:05:41,708 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:05:41,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:05:41,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:05:41,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:05:41,709 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 00:05:41,709 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 00:05:41,710 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 00:05:41,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:05:41,710 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:05:41,710 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:05:41,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:05:41,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:05:41,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:05:41,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:05:41,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:05:41,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:05:41,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:05:41,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:05:41,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:05:41,713 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_88d07402-ce2a-4957-bc47-a135da894fb7/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 -> 17ff5ae56efea2deac29e7fa779d53a24810a7c7 [2019-11-16 00:05:41,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:05:41,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:05:41,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:05:41,765 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:05:41,766 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:05:41,766 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/../../sv-benchmarks/c/list-properties/simple-2.i [2019-11-16 00:05:41,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/data/9f2c9dc89/3c8f18f463984b93b8b0d950476e2801/FLAGacb81f7c6 [2019-11-16 00:05:42,479 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:05:42,480 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/sv-benchmarks/c/list-properties/simple-2.i [2019-11-16 00:05:42,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/data/9f2c9dc89/3c8f18f463984b93b8b0d950476e2801/FLAGacb81f7c6 [2019-11-16 00:05:42,669 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/data/9f2c9dc89/3c8f18f463984b93b8b0d950476e2801 [2019-11-16 00:05:42,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:05:42,674 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-16 00:05:42,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:05:42,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:05:42,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:05:42,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:05:42" (1/1) ... [2019-11-16 00:05:42,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3566325e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:42, skipping insertion in model container [2019-11-16 00:05:42,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:05:42" (1/1) ... [2019-11-16 00:05:42,692 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:05:42,750 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:05:43,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:05:43,305 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:05:43,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:05:43,451 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:05:43,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:43 WrapperNode [2019-11-16 00:05:43,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:05:43,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:05:43,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:05:43,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:05:43,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:43" (1/1) ... [2019-11-16 00:05:43,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:43" (1/1) ... [2019-11-16 00:05:43,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:43" (1/1) ... [2019-11-16 00:05:43,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:43" (1/1) ... [2019-11-16 00:05:43,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:43" (1/1) ... [2019-11-16 00:05:43,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:43" (1/1) ... [2019-11-16 00:05:43,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:43" (1/1) ... [2019-11-16 00:05:43,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:05:43,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:05:43,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:05:43,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:05:43,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/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 [2019-11-16 00:05:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-16 00:05:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:05:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-16 00:05:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-16 00:05:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-16 00:05:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-16 00:05:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-16 00:05:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-16 00:05:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-16 00:05:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-16 00:05:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-16 00:05:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-16 00:05:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-16 00:05:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-16 00:05:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-16 00:05:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-16 00:05:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-16 00:05:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-16 00:05:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-16 00:05:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-16 00:05:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-16 00:05:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-16 00:05:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-16 00:05:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-16 00:05:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-16 00:05:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-16 00:05:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-16 00:05:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-16 00:05:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-16 00:05:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-16 00:05:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-16 00:05:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-16 00:05:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-16 00:05:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-16 00:05:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-16 00:05:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-16 00:05:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-16 00:05:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-16 00:05:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-16 00:05:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-16 00:05:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-16 00:05:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-16 00:05:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-16 00:05:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-16 00:05:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-16 00:05:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-16 00:05:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-16 00:05:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-16 00:05:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-16 00:05:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-16 00:05:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-16 00:05:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-16 00:05:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-16 00:05:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-16 00:05:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-16 00:05:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-16 00:05:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-16 00:05:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-16 00:05:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-16 00:05:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-16 00:05:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-16 00:05:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-16 00:05:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-16 00:05:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-16 00:05:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-16 00:05:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-16 00:05:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-16 00:05:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-16 00:05:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-16 00:05:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-16 00:05:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-16 00:05:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-16 00:05:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-16 00:05:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-16 00:05:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-16 00:05:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-16 00:05:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-16 00:05:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-16 00:05:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-16 00:05:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-16 00:05:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-16 00:05:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-16 00:05:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-16 00:05:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-16 00:05:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-16 00:05:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-16 00:05:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-16 00:05:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-16 00:05:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-16 00:05:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-16 00:05:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-16 00:05:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-16 00:05:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-16 00:05:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-16 00:05:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-16 00:05:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-16 00:05:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-16 00:05:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-16 00:05:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-16 00:05:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-16 00:05:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-16 00:05:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-16 00:05:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-16 00:05:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-16 00:05:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-16 00:05:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-16 00:05:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-16 00:05:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-16 00:05:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-16 00:05:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-16 00:05:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-16 00:05:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-16 00:05:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-16 00:05:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-16 00:05:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-16 00:05:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-16 00:05:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-16 00:05:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-16 00:05:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-16 00:05:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-16 00:05:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:05:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:05:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-16 00:05:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-16 00:05:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:05:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-16 00:05:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:05:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:05:44,066 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-16 00:05:44,279 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:05:44,279 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-16 00:05:44,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:44 BoogieIcfgContainer [2019-11-16 00:05:44,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:05:44,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:05:44,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:05:44,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:05:44,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:05:42" (1/3) ... [2019-11-16 00:05:44,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391ab7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:05:44, skipping insertion in model container [2019-11-16 00:05:44,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:43" (2/3) ... [2019-11-16 00:05:44,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391ab7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:05:44, skipping insertion in model container [2019-11-16 00:05:44,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:44" (3/3) ... [2019-11-16 00:05:44,293 INFO L109 eAbstractionObserver]: Analyzing ICFG simple-2.i [2019-11-16 00:05:44,303 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:05:44,314 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2019-11-16 00:05:44,326 INFO L249 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2019-11-16 00:05:44,349 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:05:44,358 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-16 00:05:44,358 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:05:44,359 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:05:44,359 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:05:44,359 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:05:44,359 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:05:44,359 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:05:44,381 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-16 00:05:44,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-16 00:05:44,391 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:05:44,393 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:05:44,394 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION]=== [2019-11-16 00:05:44,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:05:44,399 INFO L82 PathProgramCache]: Analyzing trace with hash -140762836, now seen corresponding path program 1 times [2019-11-16 00:05:44,407 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:05:44,407 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633129122] [2019-11-16 00:05:44,408 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:44,408 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:44,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:05:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:44,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:05:44,605 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633129122] [2019-11-16 00:05:44,606 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:05:44,606 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:05:44,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610716570] [2019-11-16 00:05:44,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:05:44,612 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:05:44,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:05:44,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:05:44,630 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 3 states. [2019-11-16 00:05:44,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:05:44,780 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2019-11-16 00:05:44,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:05:44,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-16 00:05:44,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:05:44,791 INFO L225 Difference]: With dead ends: 49 [2019-11-16 00:05:44,791 INFO L226 Difference]: Without dead ends: 41 [2019-11-16 00:05:44,793 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 [2019-11-16 00:05:44,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-16 00:05:44,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-16 00:05:44,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-16 00:05:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2019-11-16 00:05:44,846 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 10 [2019-11-16 00:05:44,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:05:44,847 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2019-11-16 00:05:44,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:05:44,847 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2019-11-16 00:05:44,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:05:44,848 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:05:44,848 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:05:44,849 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION]=== [2019-11-16 00:05:44,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:05:44,849 INFO L82 PathProgramCache]: Analyzing trace with hash -68705366, now seen corresponding path program 1 times [2019-11-16 00:05:44,850 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:05:44,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596568435] [2019-11-16 00:05:44,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:44,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:44,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:05:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:05:44,980 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596568435] [2019-11-16 00:05:44,980 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:05:44,980 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:05:44,981 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081223925] [2019-11-16 00:05:44,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:05:44,982 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:05:44,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:05:44,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:05:44,983 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 5 states. [2019-11-16 00:05:45,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:05:45,191 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2019-11-16 00:05:45,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:05:45,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-16 00:05:45,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:05:45,193 INFO L225 Difference]: With dead ends: 49 [2019-11-16 00:05:45,193 INFO L226 Difference]: Without dead ends: 49 [2019-11-16 00:05:45,194 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 [2019-11-16 00:05:45,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-16 00:05:45,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2019-11-16 00:05:45,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-16 00:05:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2019-11-16 00:05:45,205 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 11 [2019-11-16 00:05:45,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:05:45,206 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2019-11-16 00:05:45,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:05:45,206 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2019-11-16 00:05:45,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:05:45,208 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:05:45,208 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:05:45,208 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION]=== [2019-11-16 00:05:45,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:05:45,209 INFO L82 PathProgramCache]: Analyzing trace with hash -68705365, now seen corresponding path program 1 times [2019-11-16 00:05:45,209 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:05:45,209 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186406332] [2019-11-16 00:05:45,210 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:45,210 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:45,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:05:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:05:45,352 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186406332] [2019-11-16 00:05:45,352 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:05:45,352 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-16 00:05:45,352 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675477370] [2019-11-16 00:05:45,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:05:45,353 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:05:45,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:05:45,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:05:45,354 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand 5 states. [2019-11-16 00:05:45,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:05:45,527 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2019-11-16 00:05:45,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:05:45,528 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-16 00:05:45,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:05:45,529 INFO L225 Difference]: With dead ends: 56 [2019-11-16 00:05:45,529 INFO L226 Difference]: Without dead ends: 56 [2019-11-16 00:05:45,529 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 [2019-11-16 00:05:45,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-11-16 00:05:45,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2019-11-16 00:05:45,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-11-16 00:05:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2019-11-16 00:05:45,536 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 11 [2019-11-16 00:05:45,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:05:45,537 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2019-11-16 00:05:45,537 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:05:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2019-11-16 00:05:45,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-16 00:05:45,538 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:05:45,538 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:05:45,538 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION]=== [2019-11-16 00:05:45,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:05:45,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1510328648, now seen corresponding path program 1 times [2019-11-16 00:05:45,539 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:05:45,540 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507140731] [2019-11-16 00:05:45,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:45,540 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:45,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:05:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:05:45,632 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507140731] [2019-11-16 00:05:45,633 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:05:45,633 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:05:45,633 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433754677] [2019-11-16 00:05:45,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:05:45,634 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:05:45,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:05:45,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:05:45,634 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 5 states. [2019-11-16 00:05:45,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:05:45,790 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2019-11-16 00:05:45,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:05:45,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-16 00:05:45,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:05:45,794 INFO L225 Difference]: With dead ends: 53 [2019-11-16 00:05:45,794 INFO L226 Difference]: Without dead ends: 53 [2019-11-16 00:05:45,794 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:05:45,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-16 00:05:45,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2019-11-16 00:05:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-11-16 00:05:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 52 transitions. [2019-11-16 00:05:45,811 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 52 transitions. Word has length 16 [2019-11-16 00:05:45,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:05:45,811 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 52 transitions. [2019-11-16 00:05:45,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:05:45,812 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2019-11-16 00:05:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-16 00:05:45,813 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:05:45,814 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:05:45,814 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION]=== [2019-11-16 00:05:45,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:05:45,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1348442397, now seen corresponding path program 1 times [2019-11-16 00:05:45,815 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:05:45,815 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212496870] [2019-11-16 00:05:45,815 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:45,816 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:45,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:05:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:05:45,959 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212496870] [2019-11-16 00:05:45,959 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:05:45,959 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:05:45,960 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640862596] [2019-11-16 00:05:45,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:05:45,972 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:05:45,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:05:45,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:05:45,973 INFO L87 Difference]: Start difference. First operand 50 states and 52 transitions. Second operand 7 states. [2019-11-16 00:05:46,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:05:46,243 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2019-11-16 00:05:46,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-16 00:05:46,245 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-11-16 00:05:46,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:05:46,246 INFO L225 Difference]: With dead ends: 64 [2019-11-16 00:05:46,246 INFO L226 Difference]: Without dead ends: 64 [2019-11-16 00:05:46,246 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 [2019-11-16 00:05:46,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-11-16 00:05:46,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 48. [2019-11-16 00:05:46,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-16 00:05:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2019-11-16 00:05:46,251 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 19 [2019-11-16 00:05:46,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:05:46,252 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2019-11-16 00:05:46,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:05:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2019-11-16 00:05:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-16 00:05:46,255 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:05:46,255 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:05:46,255 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION]=== [2019-11-16 00:05:46,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:05:46,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1348442398, now seen corresponding path program 1 times [2019-11-16 00:05:46,256 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:05:46,256 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888550026] [2019-11-16 00:05:46,257 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:46,257 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:46,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:05:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:46,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:05:46,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888550026] [2019-11-16 00:05:46,389 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:05:46,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:05:46,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565954814] [2019-11-16 00:05:46,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:05:46,390 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:05:46,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:05:46,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:05:46,391 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 7 states. [2019-11-16 00:05:46,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:05:46,709 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-11-16 00:05:46,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:05:46,711 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-11-16 00:05:46,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:05:46,712 INFO L225 Difference]: With dead ends: 60 [2019-11-16 00:05:46,712 INFO L226 Difference]: Without dead ends: 60 [2019-11-16 00:05:46,712 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 [2019-11-16 00:05:46,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-16 00:05:46,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 34. [2019-11-16 00:05:46,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-16 00:05:46,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2019-11-16 00:05:46,719 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 19 [2019-11-16 00:05:46,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:05:46,719 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2019-11-16 00:05:46,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:05:46,720 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2019-11-16 00:05:46,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-16 00:05:46,722 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:05:46,722 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:05:46,722 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION]=== [2019-11-16 00:05:46,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:05:46,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1722806598, now seen corresponding path program 1 times [2019-11-16 00:05:46,723 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:05:46,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233326713] [2019-11-16 00:05:46,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:46,724 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:46,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:05:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:05:46,903 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233326713] [2019-11-16 00:05:46,903 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477665633] [2019-11-16 00:05:46,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:05:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:05:47,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-16 00:05:47,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:05:47,150 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-16 00:05:47,151 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:05:47,158 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:05:47,162 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-16 00:05:47,162 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-16 00:05:47,175 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:05:47,175 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:05:47,176 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2019-11-16 00:05:47,228 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-16 00:05:47,229 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:05:47,239 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:05:47,241 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-16 00:05:47,242 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-16 00:05:47,248 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:05:47,249 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:05:47,249 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:7 [2019-11-16 00:05:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:05:47,252 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:05:47,252 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 12 [2019-11-16 00:05:47,253 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721468934] [2019-11-16 00:05:47,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-16 00:05:47,253 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:05:47,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-16 00:05:47,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-11-16 00:05:47,254 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 12 states. [2019-11-16 00:05:47,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:05:47,567 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2019-11-16 00:05:47,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:05:47,568 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 20 [2019-11-16 00:05:47,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:05:47,568 INFO L225 Difference]: With dead ends: 55 [2019-11-16 00:05:47,569 INFO L226 Difference]: Without dead ends: 55 [2019-11-16 00:05:47,569 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2019-11-16 00:05:47,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-16 00:05:47,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 45. [2019-11-16 00:05:47,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-16 00:05:47,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2019-11-16 00:05:47,574 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 20 [2019-11-16 00:05:47,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:05:47,574 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2019-11-16 00:05:47,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-16 00:05:47,574 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2019-11-16 00:05:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-16 00:05:47,575 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:05:47,575 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] [2019-11-16 00:05:47,776 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:05:47,776 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr8REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION]=== [2019-11-16 00:05:47,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:05:47,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1867395680, now seen corresponding path program 1 times [2019-11-16 00:05:47,776 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:05:47,777 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246079114] [2019-11-16 00:05:47,777 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:47,777 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:05:47,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:05:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:05:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:05:47,856 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:05:47,856 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:05:47,876 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-16 00:05:47,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:05:47 BoogieIcfgContainer [2019-11-16 00:05:47,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:05:47,891 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:05:47,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:05:47,891 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:05:47,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:44" (3/4) ... [2019-11-16 00:05:47,901 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:05:47,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:05:47,904 INFO L168 Benchmark]: Toolchain (without parser) took 5230.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -211.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:05:47,906 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:05:47,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:05:47,909 INFO L168 Benchmark]: Boogie Preprocessor took 88.50 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:05:47,912 INFO L168 Benchmark]: RCFGBuilder took 738.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.2 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:05:47,913 INFO L168 Benchmark]: TraceAbstraction took 3608.95 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -107.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:05:47,913 INFO L168 Benchmark]: Witness Printer took 11.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:05:47,917 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 776.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.50 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 738.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.2 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3608.95 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -107.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 11.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. 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={2:0}, malloc(sizeof(struct node))={2:0}] [L522] COND FALSE !(a == 0) VAL [a={2:0}, malloc(sizeof(struct node))={2:0}] [L523] List t; [L524] List p = a; VAL [a={2:0}, malloc(sizeof(struct node))={2:0}, p={2:0}] [L525] COND FALSE !(__VERIFIER_nondet_int()) [L532] p->h = 1 VAL [a={2:0}, malloc(sizeof(struct node))={2:0}, p={2:0}] [L533] p->n = 0 VAL [a={2:0}, malloc(sizeof(struct node))={2:0}, p={2:0}] [L534] p = a VAL [a={2:0}, malloc(sizeof(struct node))={2:0}, p={2:0}] [L535] COND TRUE p!=0 VAL [a={2:0}, malloc(sizeof(struct node))={2:0}, p={2:0}] [L536] EXPR p->h VAL [a={2:0}, malloc(sizeof(struct node))={2:0}, p={2:0}, p->h=1] [L536] COND FALSE !(p->h != 1) [L539] EXPR p->n VAL [a={2:0}, malloc(sizeof(struct node))={2:0}, p={2:0}, p->n={0:0}] [L539] p = p->n [L535] COND FALSE !(p!=0) VAL [a={2:0}, malloc(sizeof(struct node))={2:0}, p={0:0}] [L541] return 0; VAL [\result=0, a={2:0}, malloc(sizeof(struct node))={2:0}, p={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 65 locations, 15 error locations. Result: UNSAFE, OverallTime: 3.5s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 186 SDtfs, 388 SDslu, 263 SDs, 0 SdLazy, 727 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 67 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 11225 SizeOfPredicates, 11 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 6/8 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 [2019-11-16 00:05:50,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:05:50,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:05:50,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:05:50,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:05:50,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:05:50,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:05:50,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:05:50,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:05:50,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:05:50,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:05:50,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:05:50,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:05:50,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:05:50,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:05:50,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:05:50,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:05:50,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:05:50,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:05:50,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:05:50,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:05:50,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:05:50,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:05:50,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:05:50,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:05:50,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:05:50,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:05:50,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:05:50,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:05:50,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:05:50,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:05:50,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:05:50,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:05:50,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:05:50,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:05:50,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:05:50,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:05:50,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:05:50,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:05:50,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:05:50,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:05:50,378 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-16 00:05:50,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:05:50,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:05:50,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:05:50,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:05:50,397 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:05:50,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:05:50,398 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:05:50,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:05:50,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:05:50,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:05:50,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:05:50,399 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 00:05:50,400 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 00:05:50,400 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 00:05:50,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:05:50,400 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 00:05:50,401 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 00:05:50,401 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:05:50,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:05:50,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:05:50,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:05:50,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:05:50,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:05:50,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:05:50,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:05:50,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:05:50,404 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 00:05:50,404 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 00:05:50,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 00:05:50,404 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_88d07402-ce2a-4957-bc47-a135da894fb7/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 -> 17ff5ae56efea2deac29e7fa779d53a24810a7c7 [2019-11-16 00:05:50,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:05:50,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:05:50,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:05:50,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:05:50,458 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:05:50,459 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/../../sv-benchmarks/c/list-properties/simple-2.i [2019-11-16 00:05:50,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/data/b75413d07/7194d32d07b640b895ec302f9d09dbaf/FLAGae8485930 [2019-11-16 00:05:51,065 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:05:51,066 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/sv-benchmarks/c/list-properties/simple-2.i [2019-11-16 00:05:51,085 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/data/b75413d07/7194d32d07b640b895ec302f9d09dbaf/FLAGae8485930 [2019-11-16 00:05:51,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/bin/uautomizer/data/b75413d07/7194d32d07b640b895ec302f9d09dbaf [2019-11-16 00:05:51,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:05:51,401 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-16 00:05:51,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:05:51,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:05:51,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:05:51,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:05:51" (1/1) ... [2019-11-16 00:05:51,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bfdad99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:51, skipping insertion in model container [2019-11-16 00:05:51,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:05:51" (1/1) ... [2019-11-16 00:05:51,420 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:05:51,460 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:05:52,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:05:52,038 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:05:52,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:05:52,171 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:05:52,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:52 WrapperNode [2019-11-16 00:05:52,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:05:52,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:05:52,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:05:52,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:05:52,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:52" (1/1) ... [2019-11-16 00:05:52,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:52" (1/1) ... [2019-11-16 00:05:52,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:52" (1/1) ... [2019-11-16 00:05:52,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:52" (1/1) ... [2019-11-16 00:05:52,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:52" (1/1) ... [2019-11-16 00:05:52,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:52" (1/1) ... [2019-11-16 00:05:52,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:52" (1/1) ... [2019-11-16 00:05:52,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:05:52,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:05:52,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:05:52,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:05:52,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/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 [2019-11-16 00:05:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-16 00:05:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:05:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-16 00:05:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-16 00:05:52,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-16 00:05:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-16 00:05:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-16 00:05:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-16 00:05:52,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-16 00:05:52,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-16 00:05:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-16 00:05:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-16 00:05:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-16 00:05:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-16 00:05:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-16 00:05:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-16 00:05:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-16 00:05:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-16 00:05:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-16 00:05:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-16 00:05:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-16 00:05:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-16 00:05:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-16 00:05:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-16 00:05:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-16 00:05:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-16 00:05:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-16 00:05:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-16 00:05:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-16 00:05:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-16 00:05:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-16 00:05:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-16 00:05:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-16 00:05:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-16 00:05:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-16 00:05:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-16 00:05:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-16 00:05:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-16 00:05:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-16 00:05:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-16 00:05:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-16 00:05:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-16 00:05:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-16 00:05:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-16 00:05:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-16 00:05:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-16 00:05:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-16 00:05:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-16 00:05:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-16 00:05:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-16 00:05:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-16 00:05:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-16 00:05:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-16 00:05:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-16 00:05:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-16 00:05:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-16 00:05:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-16 00:05:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-16 00:05:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-16 00:05:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-16 00:05:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-16 00:05:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-16 00:05:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-16 00:05:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-16 00:05:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-16 00:05:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-16 00:05:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-16 00:05:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-16 00:05:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-16 00:05:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-16 00:05:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-16 00:05:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-16 00:05:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-16 00:05:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-16 00:05:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-16 00:05:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-16 00:05:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-16 00:05:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-16 00:05:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-16 00:05:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-16 00:05:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-16 00:05:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-16 00:05:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-16 00:05:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-16 00:05:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-16 00:05:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-16 00:05:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-16 00:05:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-16 00:05:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-16 00:05:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-16 00:05:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-16 00:05:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-16 00:05:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-16 00:05:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-16 00:05:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-16 00:05:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-16 00:05:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-16 00:05:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-16 00:05:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-16 00:05:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-16 00:05:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-16 00:05:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-16 00:05:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-16 00:05:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-16 00:05:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-16 00:05:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-16 00:05:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-16 00:05:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-16 00:05:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-16 00:05:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-16 00:05:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-16 00:05:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-16 00:05:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-16 00:05:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-16 00:05:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-16 00:05:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-16 00:05:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-16 00:05:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-16 00:05:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-16 00:05:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-16 00:05:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:05:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-16 00:05:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-16 00:05:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-16 00:05:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-16 00:05:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-16 00:05:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:05:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:05:52,789 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-16 00:05:53,088 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:05:53,088 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-16 00:05:53,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:53 BoogieIcfgContainer [2019-11-16 00:05:53,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:05:53,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:05:53,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:05:53,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:05:53,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:05:51" (1/3) ... [2019-11-16 00:05:53,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae0df3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:05:53, skipping insertion in model container [2019-11-16 00:05:53,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:05:52" (2/3) ... [2019-11-16 00:05:53,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae0df3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:05:53, skipping insertion in model container [2019-11-16 00:05:53,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:05:53" (3/3) ... [2019-11-16 00:05:53,099 INFO L109 eAbstractionObserver]: Analyzing ICFG simple-2.i [2019-11-16 00:05:53,110 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:05:53,119 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2019-11-16 00:05:53,131 INFO L249 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2019-11-16 00:05:53,152 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:05:53,152 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-16 00:05:53,152 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:05:53,152 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:05:53,153 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:05:53,153 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:05:53,153 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:05:53,153 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:05:53,166 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-11-16 00:05:53,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-16 00:05:53,176 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:05:53,177 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:05:53,180 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-11-16 00:05:53,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:05:53,186 INFO L82 PathProgramCache]: Analyzing trace with hash -860382195, now seen corresponding path program 1 times [2019-11-16 00:05:53,198 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:05:53,199 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [39076435] [2019-11-16 00:05:53,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88d07402-ce2a-4957-bc47-a135da894fb7/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 [2019-11-16 00:05:53,427 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-16 00:05:53,428 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) [2019-11-16 00:05:53,434 INFO L168 Benchmark]: Toolchain (without parser) took 2032.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:05:53,435 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:05:53,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -209.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:05:53,436 INFO L168 Benchmark]: Boogie Preprocessor took 75.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:05:53,437 INFO L168 Benchmark]: RCFGBuilder took 842.33 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: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:05:53,438 INFO L168 Benchmark]: TraceAbstraction took 339.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:05:53,457 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 769.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -209.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 842.33 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: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 339.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 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...