./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/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/splice-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/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/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/splice-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/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 [2019-10-22 08:59:00,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:00,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:00,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:00,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:00,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:00,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:00,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:00,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:00,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:00,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:00,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:00,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:00,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:00,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:00,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:00,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:00,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:00,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:00,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:00,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:00,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:00,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:00,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:00,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:00,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:00,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:00,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:00,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:00,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:00,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:00,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:00,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:00,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:00,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:00,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:00,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:00,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:00,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:00,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:00,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:00,158 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 08:59:00,170 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:00,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:00,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:00,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:00,181 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:00,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:00,181 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:00,181 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:59:00,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:00,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:00,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:00,182 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:59:00,182 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:59:00,182 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:59:00,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:00,182 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:00,183 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:00,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:00,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:00,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:00,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:00,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:00,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:00,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:00,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:00,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:59:00,185 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/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/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 [2019-10-22 08:59:00,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:00,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:00,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:00,234 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:00,235 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:00,235 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/../../sv-benchmarks/c/list-properties/splice-2.i [2019-10-22 08:59:00,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/data/31b151a01/7c825dfbf41e4ad59df0e1c1f8f0d074/FLAG7f32692fb [2019-10-22 08:59:00,748 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:00,750 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/sv-benchmarks/c/list-properties/splice-2.i [2019-10-22 08:59:00,759 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/data/31b151a01/7c825dfbf41e4ad59df0e1c1f8f0d074/FLAG7f32692fb [2019-10-22 08:59:01,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/data/31b151a01/7c825dfbf41e4ad59df0e1c1f8f0d074 [2019-10-22 08:59:01,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:01,260 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:59:01,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:01,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:01,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:01,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:01" (1/1) ... [2019-10-22 08:59:01,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42597ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:01, skipping insertion in model container [2019-10-22 08:59:01,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:01" (1/1) ... [2019-10-22 08:59:01,277 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:01,315 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:01,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:01,721 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:01,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:01,817 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:01,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:01 WrapperNode [2019-10-22 08:59:01,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:01,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:01,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:01,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:01,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:01" (1/1) ... [2019-10-22 08:59:01,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:01" (1/1) ... [2019-10-22 08:59:01,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:01" (1/1) ... [2019-10-22 08:59:01,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:01" (1/1) ... [2019-10-22 08:59:01,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:01" (1/1) ... [2019-10-22 08:59:01,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:01" (1/1) ... [2019-10-22 08:59:01,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:01" (1/1) ... [2019-10-22 08:59:01,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:01,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:01,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:01,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:01,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/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 [2019-10-22 08:59:01,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:59:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 08:59:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 08:59:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 08:59:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 08:59:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 08:59:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-22 08:59:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:59:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 08:59:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:59:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:59:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:59:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:59:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:59:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:59:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:59:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:59:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:59:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:59:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:59:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:59:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:59:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:59:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:59:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:59:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:59:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 08:59:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 08:59:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 08:59:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 08:59:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 08:59:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:59:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:59:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:59:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:59:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:59:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:59:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:59:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:59:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:59:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:59:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:59:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:59:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:59:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:59:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:59:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:59:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:59:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:59:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:59:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:59:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:59:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:59:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:59:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:59:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:59:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:59:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:59:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:59:01,939 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:59:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:59:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:59:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:59:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:59:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:59:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:59:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:59:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:59:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:59:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:59:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:59:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:59:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:59:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:59:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:59:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:59:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:59:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:59:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:59:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:59:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:59:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:59:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:59:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:59:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:59:01,942 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:59:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:59:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:59:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:59:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:59:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:59:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:59:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:59:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:59:01,943 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:59:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:59:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:59:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:59:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:59:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:59:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:59:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:59:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:59:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:59:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:59:01,944 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:59:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:59:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:59:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:59:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:59:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:59:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:59:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:59:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:59:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:59:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:59:01,945 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:59:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-22 08:59:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:59:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:59:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:59:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:59:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:59:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:59:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:59:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:01,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:59:02,202 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-22 08:59:02,439 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:02,439 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 08:59:02,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:02 BoogieIcfgContainer [2019-10-22 08:59:02,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:02,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:59:02,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:59:02,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:59:02,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:59:01" (1/3) ... [2019-10-22 08:59:02,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736f8ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:02, skipping insertion in model container [2019-10-22 08:59:02,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:01" (2/3) ... [2019-10-22 08:59:02,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736f8ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:02, skipping insertion in model container [2019-10-22 08:59:02,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:02" (3/3) ... [2019-10-22 08:59:02,447 INFO L109 eAbstractionObserver]: Analyzing ICFG splice-2.i [2019-10-22 08:59:02,456 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:59:02,463 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2019-10-22 08:59:02,474 INFO L249 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2019-10-22 08:59:02,501 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:59:02,503 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:59:02,503 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:59:02,503 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:02,503 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:02,503 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:59:02,503 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:02,504 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:59:02,523 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2019-10-22 08:59:02,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:59:02,532 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:02,533 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:02,535 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2019-10-22 08:59:02,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:02,541 INFO L82 PathProgramCache]: Analyzing trace with hash -587397819, now seen corresponding path program 1 times [2019-10-22 08:59:02,549 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:02,549 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329882389] [2019-10-22 08:59:02,550 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:02,550 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:02,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:02,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:02,722 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329882389] [2019-10-22 08:59:02,722 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:02,723 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:02,723 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734240335] [2019-10-22 08:59:02,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:02,727 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:02,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:02,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:02,747 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 3 states. [2019-10-22 08:59:02,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:02,970 INFO L93 Difference]: Finished difference Result 83 states and 92 transitions. [2019-10-22 08:59:02,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:02,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-10-22 08:59:02,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:02,982 INFO L225 Difference]: With dead ends: 83 [2019-10-22 08:59:02,982 INFO L226 Difference]: Without dead ends: 75 [2019-10-22 08:59:02,985 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 [2019-10-22 08:59:03,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-10-22 08:59:03,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-10-22 08:59:03,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-10-22 08:59:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 81 transitions. [2019-10-22 08:59:03,037 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 81 transitions. Word has length 10 [2019-10-22 08:59:03,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:03,038 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 81 transitions. [2019-10-22 08:59:03,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2019-10-22 08:59:03,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:59:03,038 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:03,038 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:03,039 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2019-10-22 08:59:03,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:03,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1029498852, now seen corresponding path program 1 times [2019-10-22 08:59:03,039 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:03,039 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860040595] [2019-10-22 08:59:03,040 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:03,040 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:03,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:03,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:03,116 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860040595] [2019-10-22 08:59:03,116 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:03,116 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:59:03,116 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64934395] [2019-10-22 08:59:03,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:03,118 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:03,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:03,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:03,118 INFO L87 Difference]: Start difference. First operand 75 states and 81 transitions. Second operand 5 states. [2019-10-22 08:59:03,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:03,296 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2019-10-22 08:59:03,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:59:03,296 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-10-22 08:59:03,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:03,297 INFO L225 Difference]: With dead ends: 82 [2019-10-22 08:59:03,297 INFO L226 Difference]: Without dead ends: 82 [2019-10-22 08:59:03,298 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 [2019-10-22 08:59:03,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-22 08:59:03,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 76. [2019-10-22 08:59:03,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-10-22 08:59:03,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2019-10-22 08:59:03,305 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 11 [2019-10-22 08:59:03,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:03,305 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2019-10-22 08:59:03,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:03,306 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2019-10-22 08:59:03,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:59:03,306 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:03,306 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:03,306 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2019-10-22 08:59:03,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:03,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1029498851, now seen corresponding path program 1 times [2019-10-22 08:59:03,307 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:03,307 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090919221] [2019-10-22 08:59:03,307 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:03,307 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:03,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:03,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:03,369 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090919221] [2019-10-22 08:59:03,369 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:03,370 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:59:03,370 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022584536] [2019-10-22 08:59:03,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:03,370 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:03,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:03,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:03,371 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand 5 states. [2019-10-22 08:59:03,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:03,576 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2019-10-22 08:59:03,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:59:03,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-10-22 08:59:03,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:03,578 INFO L225 Difference]: With dead ends: 90 [2019-10-22 08:59:03,578 INFO L226 Difference]: Without dead ends: 90 [2019-10-22 08:59:03,578 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 [2019-10-22 08:59:03,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-22 08:59:03,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 83. [2019-10-22 08:59:03,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-10-22 08:59:03,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 92 transitions. [2019-10-22 08:59:03,586 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 92 transitions. Word has length 11 [2019-10-22 08:59:03,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:03,586 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 92 transitions. [2019-10-22 08:59:03,586 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:03,586 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2019-10-22 08:59:03,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 08:59:03,587 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:03,587 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:03,587 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION]=== [2019-10-22 08:59:03,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:03,588 INFO L82 PathProgramCache]: Analyzing trace with hash 561197792, now seen corresponding path program 1 times [2019-10-22 08:59:03,588 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:03,588 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638912067] [2019-10-22 08:59:03,588 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:03,589 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:03,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:59:03,638 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:59:03,638 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:59:03,647 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-10-22 08:59:03,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:59:03 BoogieIcfgContainer [2019-10-22 08:59:03,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:59:03,664 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:03,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:03,664 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:03,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:02" (3/4) ... [2019-10-22 08:59:03,668 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:59:03,668 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:03,670 INFO L168 Benchmark]: Toolchain (without parser) took 2410.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 943.2 MB in the beginning and 968.5 MB in the end (delta: -25.3 MB). Peak memory consumption was 147.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:03,671 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:03,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:03,672 INFO L168 Benchmark]: Boogie Preprocessor took 51.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:03,673 INFO L168 Benchmark]: RCFGBuilder took 570.88 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: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:03,673 INFO L168 Benchmark]: TraceAbstraction took 1222.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 968.5 MB in the end (delta: 113.7 MB). Peak memory consumption was 113.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:03,674 INFO L168 Benchmark]: Witness Printer took 4.73 ms. Allocated memory is still 1.2 GB. Free memory is still 968.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:03,676 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 557.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.00 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 570.88 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: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1222.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 968.5 MB in the end (delta: 113.7 MB). Peak memory consumption was 113.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.73 ms. Allocated memory is still 1.2 GB. Free memory is still 968.5 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: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 165 SDtfs, 221 SDslu, 55 SDs, 0 SdLazy, 379 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 0.1s 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 [2019-10-22 08:59:05,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:05,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:05,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:05,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:05,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:05,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:05,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:05,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:05,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:05,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:05,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:05,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:05,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:05,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:05,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:05,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:05,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:05,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:05,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:05,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:05,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:05,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:05,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:05,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:05,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:05,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:05,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:05,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:05,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:05,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:05,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:05,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:05,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:05,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:05,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:05,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:05,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:05,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:05,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:05,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:05,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-10-22 08:59:05,675 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:05,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:05,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:05,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:05,677 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:05,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:05,677 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:05,678 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:59:05,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:05,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:05,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:05,678 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:59:05,678 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:59:05,678 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:59:05,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:05,679 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:59:05,679 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:59:05,679 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:05,679 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:05,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:05,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:05,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:05,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:05,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:05,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:05,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:05,681 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:59:05,681 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:59:05,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:59:05,681 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/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 [2019-10-22 08:59:05,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:05,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:05,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:05,725 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:05,726 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:05,726 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/../../sv-benchmarks/c/list-properties/splice-2.i [2019-10-22 08:59:05,769 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/data/cc7d2eac5/9aaf1128fa304079bd9c8b762dfaa4de/FLAG1be7a10c3 [2019-10-22 08:59:06,248 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:06,252 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/sv-benchmarks/c/list-properties/splice-2.i [2019-10-22 08:59:06,263 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/data/cc7d2eac5/9aaf1128fa304079bd9c8b762dfaa4de/FLAG1be7a10c3 [2019-10-22 08:59:06,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/bin/uautomizer/data/cc7d2eac5/9aaf1128fa304079bd9c8b762dfaa4de [2019-10-22 08:59:06,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:06,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:59:06,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:06,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:06,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:06,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:06" (1/1) ... [2019-10-22 08:59:06,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5a4d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:06, skipping insertion in model container [2019-10-22 08:59:06,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:06" (1/1) ... [2019-10-22 08:59:06,764 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:06,796 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:07,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:07,160 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:07,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:07,252 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:07,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:07 WrapperNode [2019-10-22 08:59:07,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:07,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:07,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:07,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:07,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:07" (1/1) ... [2019-10-22 08:59:07,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:07" (1/1) ... [2019-10-22 08:59:07,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:07" (1/1) ... [2019-10-22 08:59:07,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:07" (1/1) ... [2019-10-22 08:59:07,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:07" (1/1) ... [2019-10-22 08:59:07,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:07" (1/1) ... [2019-10-22 08:59:07,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:07" (1/1) ... [2019-10-22 08:59:07,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:07,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:07,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:07,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:07,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/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 [2019-10-22 08:59:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:59:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 08:59:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 08:59:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 08:59:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 08:59:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 08:59:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-22 08:59:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:59:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 08:59:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:59:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:59:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:59:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:59:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:59:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:59:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:59:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:59:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:59:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:59:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:59:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:59:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:59:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:59:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:59:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:59:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:59:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 08:59:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 08:59:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 08:59:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 08:59:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 08:59:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:59:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:59:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:59:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:59:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:59:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:59:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:59:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:59:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:59:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:59:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:59:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:59:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:59:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:59:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:59:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:59:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:59:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:59:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:59:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:59:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:59:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:59:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:59:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:59:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:59:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:59:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:59:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:59:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:59:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:59:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:59:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:59:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:59:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:59:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:59:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:59:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:59:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:59:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:59:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:59:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:59:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:59:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:59:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:59:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:59:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:59:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:59:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:59:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:59:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:59:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:59:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:59:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:59:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:59:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:59:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:59:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:59:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:59:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:59:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:59:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:59:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:59:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:59:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:59:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:59:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:59:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:59:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:59:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:59:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:59:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:59:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:59:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:59:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:59:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:59:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:59:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:59:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:59:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:59:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:59:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:59:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:59:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:59:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:59:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:59:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:59:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-22 08:59:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:59:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:59:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:59:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:59:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:59:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:59:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:59:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:59:07,663 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-22 08:59:07,934 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:07,934 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 08:59:07,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:07 BoogieIcfgContainer [2019-10-22 08:59:07,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:07,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:59:07,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:59:07,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:59:07,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:59:06" (1/3) ... [2019-10-22 08:59:07,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c79446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:07, skipping insertion in model container [2019-10-22 08:59:07,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:07" (2/3) ... [2019-10-22 08:59:07,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c79446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:07, skipping insertion in model container [2019-10-22 08:59:07,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:07" (3/3) ... [2019-10-22 08:59:07,943 INFO L109 eAbstractionObserver]: Analyzing ICFG splice-2.i [2019-10-22 08:59:07,951 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:59:07,958 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2019-10-22 08:59:07,967 INFO L249 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2019-10-22 08:59:07,984 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:59:07,984 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:59:07,984 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:59:07,985 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:07,985 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:07,985 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:59:07,985 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:07,985 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:59:07,998 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2019-10-22 08:59:08,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:59:08,006 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:08,007 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:08,009 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION]=== [2019-10-22 08:59:08,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:08,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1307018201, now seen corresponding path program 1 times [2019-10-22 08:59:08,022 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:59:08,023 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [398095169] [2019-10-22 08:59:08,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96c91e05-9c4d-49a6-a959-402444cb1206/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 [2019-10-22 08:59:08,250 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 08:59:08,250 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) [2019-10-22 08:59:08,254 INFO L168 Benchmark]: Toolchain (without parser) took 1503.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -99.1 MB). Peak memory consumption was 42.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:08,255 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:08,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:08,257 INFO L168 Benchmark]: Boogie Preprocessor took 58.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:08,257 INFO L168 Benchmark]: RCFGBuilder took 623.21 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: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:08,258 INFO L168 Benchmark]: TraceAbstraction took 316.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:08,260 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 502.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 623.21 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: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 316.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 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...