./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/splice-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_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/splice-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/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 bb2202e8adc36cf09139287c61f8b63b857ea10d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/splice-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/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 bb2202e8adc36cf09139287c61f8b63b857ea10d ................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:08:10,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:08:10,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:08:10,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:08:10,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:08:10,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:08:10,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:08:10,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:08:10,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:08:10,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:08:10,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:08:10,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:08:10,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:08:10,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:08:10,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:08:10,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:08:10,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:08:10,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:08:10,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:08:10,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:08:10,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:08:10,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:08:10,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:08:10,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:08:10,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:08:10,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:08:10,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:08:10,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:08:10,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:08:10,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:08:10,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:08:10,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:08:10,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:08:10,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:08:10,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:08:10,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:08:10,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:08:10,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:08:10,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:08:10,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:08:10,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:08:10,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-15 20:08:10,747 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:08:10,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:08:10,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:08:10,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:08:10,753 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:08:10,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:08:10,754 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:08:10,754 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:08:10,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:08:10,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:08:10,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:08:10,756 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 20:08:10,757 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 20:08:10,757 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 20:08:10,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:08:10,757 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:08:10,758 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:08:10,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:08:10,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:08:10,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:08:10,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:08:10,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:08:10,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:08:10,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:08:10,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:08:10,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:08:10,761 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_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/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 -> bb2202e8adc36cf09139287c61f8b63b857ea10d [2019-11-15 20:08:10,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:08:10,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:08:10,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:08:10,834 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:08:10,835 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:08:10,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/../../sv-benchmarks/c/list-properties/splice-2.i [2019-11-15 20:08:10,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/data/44139eb04/cf3640c6143240e7bc0ca73f4bf6e929/FLAG811731879 [2019-11-15 20:08:11,498 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:08:11,499 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/sv-benchmarks/c/list-properties/splice-2.i [2019-11-15 20:08:11,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/data/44139eb04/cf3640c6143240e7bc0ca73f4bf6e929/FLAG811731879 [2019-11-15 20:08:11,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/data/44139eb04/cf3640c6143240e7bc0ca73f4bf6e929 [2019-11-15 20:08:11,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:08:11,787 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 20:08:11,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:08:11,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:08:11,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:08:11,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:08:11" (1/1) ... [2019-11-15 20:08:11,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2bc018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:11, skipping insertion in model container [2019-11-15 20:08:11,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:08:11" (1/1) ... [2019-11-15 20:08:11,811 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:08:11,880 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:08:12,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:08:12,476 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:08:12,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:08:12,617 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:08:12,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:12 WrapperNode [2019-11-15 20:08:12,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:08:12,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:08:12,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:08:12,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:08:12,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:12" (1/1) ... [2019-11-15 20:08:12,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:12" (1/1) ... [2019-11-15 20:08:12,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:12" (1/1) ... [2019-11-15 20:08:12,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:12" (1/1) ... [2019-11-15 20:08:12,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:12" (1/1) ... [2019-11-15 20:08:12,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:12" (1/1) ... [2019-11-15 20:08:12,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:12" (1/1) ... [2019-11-15 20:08:12,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:08:12,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:08:12,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:08:12,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:08:12,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:08:12,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 20:08:12,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:08:12,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 20:08:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 20:08:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 20:08:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 20:08:12,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 20:08:12,773 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-15 20:08:12,773 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 20:08:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 20:08:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 20:08:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 20:08:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 20:08:12,775 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 20:08:12,775 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 20:08:12,775 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 20:08:12,775 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 20:08:12,775 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 20:08:12,776 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 20:08:12,776 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 20:08:12,776 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 20:08:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 20:08:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 20:08:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 20:08:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 20:08:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 20:08:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 20:08:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 20:08:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 20:08:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 20:08:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 20:08:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 20:08:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 20:08:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 20:08:12,780 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 20:08:12,780 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 20:08:12,780 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 20:08:12,781 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 20:08:12,781 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 20:08:12,781 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 20:08:12,781 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 20:08:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 20:08:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 20:08:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 20:08:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 20:08:12,783 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 20:08:12,783 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 20:08:12,783 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 20:08:12,783 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 20:08:12,784 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 20:08:12,784 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 20:08:12,784 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 20:08:12,784 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 20:08:12,784 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 20:08:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 20:08:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 20:08:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 20:08:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 20:08:12,786 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 20:08:12,786 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 20:08:12,786 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 20:08:12,787 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 20:08:12,787 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 20:08:12,787 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 20:08:12,787 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 20:08:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 20:08:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 20:08:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 20:08:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 20:08:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 20:08:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 20:08:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 20:08:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 20:08:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 20:08:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 20:08:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 20:08:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 20:08:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 20:08:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 20:08:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 20:08:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 20:08:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 20:08:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 20:08:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 20:08:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 20:08:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 20:08:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 20:08:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 20:08:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 20:08:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 20:08:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 20:08:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 20:08:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 20:08:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 20:08:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 20:08:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 20:08:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 20:08:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 20:08:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 20:08:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 20:08:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 20:08:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 20:08:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 20:08:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 20:08:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 20:08:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 20:08:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 20:08:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 20:08:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 20:08:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 20:08:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 20:08:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 20:08:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 20:08:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 20:08:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 20:08:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 20:08:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 20:08:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 20:08:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-15 20:08:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 20:08:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 20:08:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 20:08:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 20:08:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 20:08:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 20:08:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 20:08:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:08:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:08:13,155 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-15 20:08:13,621 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:08:13,621 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 20:08:13,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:08:13 BoogieIcfgContainer [2019-11-15 20:08:13,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:08:13,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:08:13,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:08:13,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:08:13,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:08:11" (1/3) ... [2019-11-15 20:08:13,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0e5495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:08:13, skipping insertion in model container [2019-11-15 20:08:13,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:12" (2/3) ... [2019-11-15 20:08:13,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0e5495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:08:13, skipping insertion in model container [2019-11-15 20:08:13,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:08:13" (3/3) ... [2019-11-15 20:08:13,635 INFO L109 eAbstractionObserver]: Analyzing ICFG splice-2.i [2019-11-15 20:08:13,647 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:08:13,657 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2019-11-15 20:08:13,673 INFO L249 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2019-11-15 20:08:13,697 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:08:13,697 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 20:08:13,697 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:08:13,698 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:08:13,698 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:08:13,698 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:08:13,698 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:08:13,699 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:08:13,719 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2019-11-15 20:08:13,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 20:08:13,730 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:08:13,731 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:08:13,734 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION]=== [2019-11-15 20:08:13,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:08:13,741 INFO L82 PathProgramCache]: Analyzing trace with hash -587397819, now seen corresponding path program 1 times [2019-11-15 20:08:13,751 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:08:13,751 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147138504] [2019-11-15 20:08:13,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:08:13,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:08:13,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:08:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:08:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:08:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:08:13,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147138504] [2019-11-15 20:08:13,963 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:08:13,964 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:08:13,964 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066747075] [2019-11-15 20:08:13,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 20:08:13,970 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:08:13,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 20:08:13,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 20:08:13,989 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 3 states. [2019-11-15 20:08:14,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:08:14,287 INFO L93 Difference]: Finished difference Result 83 states and 92 transitions. [2019-11-15 20:08:14,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 20:08:14,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-15 20:08:14,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:08:14,303 INFO L225 Difference]: With dead ends: 83 [2019-11-15 20:08:14,303 INFO L226 Difference]: Without dead ends: 75 [2019-11-15 20:08:14,305 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 20:08:14,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-11-15 20:08:14,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-11-15 20:08:14,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-15 20:08:14,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 81 transitions. [2019-11-15 20:08:14,369 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 81 transitions. Word has length 10 [2019-11-15 20:08:14,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:08:14,369 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 81 transitions. [2019-11-15 20:08:14,370 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 20:08:14,370 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2019-11-15 20:08:14,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 20:08:14,371 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:08:14,371 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:08:14,372 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION]=== [2019-11-15 20:08:14,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:08:14,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1029498852, now seen corresponding path program 1 times [2019-11-15 20:08:14,373 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:08:14,374 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727430867] [2019-11-15 20:08:14,374 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:08:14,374 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:08:14,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:08:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:08:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:08:14,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:08:14,532 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727430867] [2019-11-15 20:08:14,532 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:08:14,533 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 20:08:14,533 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772929269] [2019-11-15 20:08:14,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 20:08:14,535 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:08:14,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 20:08:14,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 20:08:14,536 INFO L87 Difference]: Start difference. First operand 75 states and 81 transitions. Second operand 5 states. [2019-11-15 20:08:14,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:08:14,892 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2019-11-15 20:08:14,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 20:08:14,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-15 20:08:14,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:08:14,895 INFO L225 Difference]: With dead ends: 82 [2019-11-15 20:08:14,895 INFO L226 Difference]: Without dead ends: 82 [2019-11-15 20:08:14,896 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 20:08:14,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-11-15 20:08:14,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 76. [2019-11-15 20:08:14,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-15 20:08:14,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2019-11-15 20:08:14,918 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 11 [2019-11-15 20:08:14,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:08:14,919 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2019-11-15 20:08:14,919 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 20:08:14,920 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2019-11-15 20:08:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 20:08:14,921 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:08:14,922 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:08:14,922 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION]=== [2019-11-15 20:08:14,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:08:14,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1029498851, now seen corresponding path program 1 times [2019-11-15 20:08:14,923 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:08:14,923 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073687587] [2019-11-15 20:08:14,924 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:08:14,924 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:08:14,924 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:08:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:08:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:08:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:08:15,082 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073687587] [2019-11-15 20:08:15,082 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:08:15,082 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 20:08:15,083 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890873358] [2019-11-15 20:08:15,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 20:08:15,083 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:08:15,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 20:08:15,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 20:08:15,089 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand 5 states. [2019-11-15 20:08:15,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:08:15,466 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2019-11-15 20:08:15,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 20:08:15,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-15 20:08:15,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:08:15,469 INFO L225 Difference]: With dead ends: 90 [2019-11-15 20:08:15,469 INFO L226 Difference]: Without dead ends: 90 [2019-11-15 20:08:15,470 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 20:08:15,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-15 20:08:15,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 83. [2019-11-15 20:08:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-15 20:08:15,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 92 transitions. [2019-11-15 20:08:15,495 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 92 transitions. Word has length 11 [2019-11-15 20:08:15,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:08:15,496 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 92 transitions. [2019-11-15 20:08:15,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 20:08:15,496 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2019-11-15 20:08:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-15 20:08:15,507 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:08:15,508 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:08:15,508 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION]=== [2019-11-15 20:08:15,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:08:15,509 INFO L82 PathProgramCache]: Analyzing trace with hash 561197792, now seen corresponding path program 1 times [2019-11-15 20:08:15,509 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:08:15,509 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298637436] [2019-11-15 20:08:15,510 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:08:15,510 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:08:15,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:08:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:08:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:08:15,582 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:08:15,585 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 20:08:15,602 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-15 20:08:15,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:08:15 BoogieIcfgContainer [2019-11-15 20:08:15,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:08:15,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:08:15,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:08:15,623 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:08:15,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:08:13" (3/4) ... [2019-11-15 20:08:15,628 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 20:08:15,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:08:15,632 INFO L168 Benchmark]: Toolchain (without parser) took 3843.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 948.7 MB in the beginning and 947.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 148.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:08:15,633 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-15 20:08:15,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-15 20:08:15,636 INFO L168 Benchmark]: Boogie Preprocessor took 75.68 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. [2019-11-15 20:08:15,638 INFO L168 Benchmark]: RCFGBuilder took 928.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:08:15,638 INFO L168 Benchmark]: TraceAbstraction took 1996.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.4 MB in the end (delta: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:08:15,639 INFO L168 Benchmark]: Witness Printer took 6.15 ms. Allocated memory is still 1.2 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:08:15,647 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 825.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.68 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 928.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1996.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.4 MB in the end (delta: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. * Witness Printer took 6.15 ms. Allocated memory is still 1.2 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 520]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 520. Possible FailurePath: [L521] int flag = 1; [L522] List a = (List) malloc(sizeof(struct node)); VAL [a={2:0}, flag=1, malloc(sizeof(struct node))={2:0}] [L523] COND FALSE !(a == 0) VAL [a={2:0}, flag=1, malloc(sizeof(struct node))={2:0}] [L524] List t; [L525] List l1; [L526] List l2; [L527] List b; [L528] List u; [L529] List p = a; VAL [a={2:0}, flag=1, malloc(sizeof(struct node))={2:0}, p={2:0}] [L530] COND FALSE !(__VERIFIER_nondet_int()) [L543] p->h = 3 VAL [a={2:0}, flag=1, malloc(sizeof(struct node))={2:0}, p={2:0}] [L544] EXPR a->h VAL [a={2:0}, a->h=3, flag=1, malloc(sizeof(struct node))={2:0}, p={2:0}] [L544] COND TRUE a->h == 3 [L544] return 0; VAL [\result=0, a={2:0}, flag=1, malloc(sizeof(struct node))={2:0}, p={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 99 locations, 29 error locations. Result: UNSAFE, OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 165 SDtfs, 221 SDslu, 55 SDs, 0 SdLazy, 379 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 1142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 20:08:18,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:08:18,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:08:18,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:08:18,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:08:18,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:08:18,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:08:18,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:08:18,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:08:18,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:08:18,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:08:18,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:08:18,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:08:18,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:08:18,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:08:18,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:08:18,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:08:18,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:08:18,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:08:18,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:08:18,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:08:18,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:08:18,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:08:18,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:08:18,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:08:18,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:08:18,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:08:18,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:08:18,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:08:18,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:08:18,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:08:18,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:08:18,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:08:18,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:08:18,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:08:18,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:08:18,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:08:18,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:08:18,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:08:18,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:08:18,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:08:18,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-15 20:08:18,563 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:08:18,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:08:18,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:08:18,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:08:18,565 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:08:18,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:08:18,566 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:08:18,566 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:08:18,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:08:18,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:08:18,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:08:18,567 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-15 20:08:18,568 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-15 20:08:18,568 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-15 20:08:18,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:08:18,569 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 20:08:18,569 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 20:08:18,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:08:18,570 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:08:18,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:08:18,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:08:18,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:08:18,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:08:18,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:08:18,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:08:18,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:08:18,572 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 20:08:18,573 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 20:08:18,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 20:08:18,573 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_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/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 -> bb2202e8adc36cf09139287c61f8b63b857ea10d [2019-11-15 20:08:18,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:08:18,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:08:18,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:08:18,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:08:18,631 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:08:18,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/../../sv-benchmarks/c/list-properties/splice-2.i [2019-11-15 20:08:18,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/data/fe73cbb1e/7121fb6f372449b493778fadfaa352e8/FLAG5c21bdb8b [2019-11-15 20:08:19,285 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:08:19,286 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/sv-benchmarks/c/list-properties/splice-2.i [2019-11-15 20:08:19,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/data/fe73cbb1e/7121fb6f372449b493778fadfaa352e8/FLAG5c21bdb8b [2019-11-15 20:08:19,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/data/fe73cbb1e/7121fb6f372449b493778fadfaa352e8 [2019-11-15 20:08:19,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:08:19,518 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-15 20:08:19,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:08:19,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:08:19,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:08:19,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:08:19" (1/1) ... [2019-11-15 20:08:19,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fad9d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:19, skipping insertion in model container [2019-11-15 20:08:19,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:08:19" (1/1) ... [2019-11-15 20:08:19,544 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:08:19,604 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:08:20,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:08:20,132 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:08:20,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:08:20,274 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:08:20,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:20 WrapperNode [2019-11-15 20:08:20,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:08:20,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:08:20,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:08:20,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:08:20,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:20" (1/1) ... [2019-11-15 20:08:20,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:20" (1/1) ... [2019-11-15 20:08:20,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:20" (1/1) ... [2019-11-15 20:08:20,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:20" (1/1) ... [2019-11-15 20:08:20,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:20" (1/1) ... [2019-11-15 20:08:20,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:20" (1/1) ... [2019-11-15 20:08:20,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:20" (1/1) ... [2019-11-15 20:08:20,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:08:20,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:08:20,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:08:20,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:08:20,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:08:20,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-15 20:08:20,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:08:20,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-15 20:08:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-15 20:08:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-15 20:08:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-15 20:08:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-15 20:08:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-15 20:08:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-15 20:08:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-15 20:08:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-15 20:08:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-15 20:08:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-15 20:08:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-15 20:08:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-15 20:08:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-15 20:08:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-15 20:08:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-15 20:08:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-15 20:08:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-15 20:08:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-15 20:08:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-15 20:08:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-15 20:08:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-15 20:08:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-15 20:08:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-15 20:08:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-15 20:08:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-15 20:08:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-15 20:08:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-15 20:08:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-15 20:08:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-15 20:08:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-15 20:08:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-15 20:08:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-15 20:08:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-15 20:08:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-15 20:08:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-15 20:08:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-15 20:08:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-15 20:08:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-15 20:08:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-15 20:08:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-15 20:08:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-15 20:08:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-15 20:08:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-15 20:08:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-15 20:08:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-15 20:08:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-15 20:08:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-15 20:08:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-15 20:08:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-15 20:08:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-15 20:08:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-15 20:08:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-15 20:08:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-15 20:08:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-15 20:08:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-15 20:08:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-15 20:08:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-15 20:08:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-15 20:08:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-15 20:08:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-15 20:08:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-15 20:08:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-15 20:08:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-15 20:08:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-15 20:08:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-15 20:08:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-15 20:08:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-15 20:08:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-15 20:08:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-15 20:08:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-15 20:08:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-15 20:08:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-15 20:08:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-15 20:08:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-15 20:08:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-15 20:08:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-15 20:08:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-15 20:08:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-15 20:08:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-15 20:08:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-15 20:08:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-15 20:08:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-15 20:08:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-15 20:08:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-15 20:08:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-15 20:08:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-15 20:08:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-15 20:08:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-15 20:08:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-15 20:08:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-15 20:08:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-15 20:08:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-15 20:08:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-15 20:08:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-15 20:08:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-15 20:08:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-15 20:08:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-15 20:08:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-15 20:08:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-15 20:08:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-15 20:08:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-15 20:08:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-15 20:08:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-15 20:08:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-15 20:08:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-15 20:08:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-15 20:08:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-15 20:08:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-15 20:08:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-15 20:08:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-15 20:08:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-15 20:08:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-15 20:08:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-15 20:08:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-15 20:08:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-15 20:08:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-15 20:08:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-15 20:08:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 20:08:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 20:08:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 20:08:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 20:08:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 20:08:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-15 20:08:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:08:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:08:20,922 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-15 20:08:21,431 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:08:21,431 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 20:08:21,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:08:21 BoogieIcfgContainer [2019-11-15 20:08:21,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:08:21,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:08:21,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:08:21,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:08:21,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:08:19" (1/3) ... [2019-11-15 20:08:21,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@497dcb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:08:21, skipping insertion in model container [2019-11-15 20:08:21,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:08:20" (2/3) ... [2019-11-15 20:08:21,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@497dcb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:08:21, skipping insertion in model container [2019-11-15 20:08:21,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:08:21" (3/3) ... [2019-11-15 20:08:21,448 INFO L109 eAbstractionObserver]: Analyzing ICFG splice-2.i [2019-11-15 20:08:21,461 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:08:21,486 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2019-11-15 20:08:21,503 INFO L249 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2019-11-15 20:08:21,530 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:08:21,530 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-15 20:08:21,530 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:08:21,531 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:08:21,531 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:08:21,531 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:08:21,531 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:08:21,532 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:08:21,559 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2019-11-15 20:08:21,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 20:08:21,572 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:08:21,573 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:08:21,576 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION]=== [2019-11-15 20:08:21,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:08:21,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1307018201, now seen corresponding path program 1 times [2019-11-15 20:08:21,596 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:08:21,596 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [435787549] [2019-11-15 20:08:21,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71ffbb3a-8240-4619-ae6a-b97ed0f38a12/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 20:08:21,833 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 20:08:21,833 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort C_DOUBLE not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 20:08:21,841 INFO L168 Benchmark]: Toolchain (without parser) took 2320.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -103.9 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:08:21,842 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:08:21,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2019-11-15 20:08:21,844 INFO L168 Benchmark]: Boogie Preprocessor took 81.42 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. [2019-11-15 20:08:21,845 INFO L168 Benchmark]: RCFGBuilder took 1075.57 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:08:21,845 INFO L168 Benchmark]: TraceAbstraction took 401.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-15 20:08:21,849 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 756.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.42 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 1075.57 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 401.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 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...