./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/list-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 283704c20cde057c38dc133107a27c4d033fb1ba ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 283704c20cde057c38dc133107a27c4d033fb1ba ................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:55:34,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:34,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:34,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:34,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:34,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:34,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:34,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:34,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:34,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:34,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:34,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:34,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:34,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:34,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:34,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:34,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:34,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:34,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:34,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:34,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:34,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:34,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:34,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:34,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:34,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:34,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:34,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:34,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:34,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:34,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:34,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:34,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:34,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:34,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:34,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:34,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:34,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:34,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:34,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:34,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:34,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 08:55:34,095 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:34,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:34,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:34,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:34,109 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:34,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:34,110 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:34,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:55:34,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:34,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:34,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:34,111 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:55:34,111 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:55:34,111 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:55:34,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:55:34,112 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:34,112 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:34,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:34,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:34,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:55:34,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:55:34,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:34,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:34,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:55:34,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:55:34,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:55:34,114 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_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 283704c20cde057c38dc133107a27c4d033fb1ba [2019-10-22 08:55:34,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:34,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:34,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:34,174 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:34,174 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:34,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/../../sv-benchmarks/c/list-properties/list-1.i [2019-10-22 08:55:34,230 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/data/fc4f5b964/a3023dc0b4c64e9eada0db02af84b8df/FLAGd8da09f74 [2019-10-22 08:55:34,716 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:34,721 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/sv-benchmarks/c/list-properties/list-1.i [2019-10-22 08:55:34,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/data/fc4f5b964/a3023dc0b4c64e9eada0db02af84b8df/FLAGd8da09f74 [2019-10-22 08:55:34,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/data/fc4f5b964/a3023dc0b4c64e9eada0db02af84b8df [2019-10-22 08:55:34,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:34,977 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:55:34,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:34,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:34,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:34,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13729cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34, skipping insertion in model container [2019-10-22 08:55:34,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,991 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:35,037 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:35,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:35,405 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:35,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:35,496 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:35,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:35 WrapperNode [2019-10-22 08:55:35,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:35,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:35,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:35,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:35,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:35" (1/1) ... [2019-10-22 08:55:35,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:35" (1/1) ... [2019-10-22 08:55:35,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:35" (1/1) ... [2019-10-22 08:55:35,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:35" (1/1) ... [2019-10-22 08:55:35,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:35" (1/1) ... [2019-10-22 08:55:35,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:35" (1/1) ... [2019-10-22 08:55:35,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:35" (1/1) ... [2019-10-22 08:55:35,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:35,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:35,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:35,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:35,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/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 08:55:35,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:55:35,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:35,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 08:55:35,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 08:55:35,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 08:55:35,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 08:55:35,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 08:55:35,615 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-22 08:55:35,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:55:35,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 08:55:35,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:55:35,616 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:55:35,616 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:55:35,616 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:55:35,616 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:55:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:55:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:55:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:55:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:55:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:55:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:55:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:55:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:55:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:55:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:55:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:55:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:55:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 08:55:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 08:55:35,618 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 08:55:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 08:55:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 08:55:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:55:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:55:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:55:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:55:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:55:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:55:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:55:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:55:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:55:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:55:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:55:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:55:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:55:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:55:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:55:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:55:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:55:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:55:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:55:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:55:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:55:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:55:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:55:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:55:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:55:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:55:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:55:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:55:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:55:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:55:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:55:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:55:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:55:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:55:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:55:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:55:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:55:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:55:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:55:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:55:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:55:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:55:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:55:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:55:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:55:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:55:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:55:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:55:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:55:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:55:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:55:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:55:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:55:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:55:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:55:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:55:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:55:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:55:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:55:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:55:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:55:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:55:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:55:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:55:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:55:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:55:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:55:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:55:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:55:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:55:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:55:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:55:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:55:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:55:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:55:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:55:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:55:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:55:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:55:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:55:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:55:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:55:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:55:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:55:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:55:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:55:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-22 08:55:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:55:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:55:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:55:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:55:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:55:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:55:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:55:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:55:35,986 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-22 08:55:36,212 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:36,212 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 08:55:36,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:36 BoogieIcfgContainer [2019-10-22 08:55:36,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:36,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:55:36,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:55:36,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:55:36,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:55:34" (1/3) ... [2019-10-22 08:55:36,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1ae2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:36, skipping insertion in model container [2019-10-22 08:55:36,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:35" (2/3) ... [2019-10-22 08:55:36,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1ae2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:36, skipping insertion in model container [2019-10-22 08:55:36,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:36" (3/3) ... [2019-10-22 08:55:36,223 INFO L109 eAbstractionObserver]: Analyzing ICFG list-1.i [2019-10-22 08:55:36,233 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:55:36,240 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2019-10-22 08:55:36,250 INFO L249 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2019-10-22 08:55:36,269 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:55:36,269 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:55:36,269 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:55:36,269 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:36,270 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:36,270 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:55:36,270 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:36,270 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:55:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2019-10-22 08:55:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:55:36,298 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:36,299 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:36,302 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:36,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:36,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1350219809, now seen corresponding path program 1 times [2019-10-22 08:55:36,319 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:36,320 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743161680] [2019-10-22 08:55:36,321 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:36,321 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:36,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:36,495 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 08:55:36,496 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743161680] [2019-10-22 08:55:36,496 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:36,497 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:55:36,497 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250340749] [2019-10-22 08:55:36,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:55:36,502 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:36,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:55:36,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:36,520 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 3 states. [2019-10-22 08:55:36,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:36,698 INFO L93 Difference]: Finished difference Result 72 states and 78 transitions. [2019-10-22 08:55:36,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:55:36,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-10-22 08:55:36,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:36,716 INFO L225 Difference]: With dead ends: 72 [2019-10-22 08:55:36,718 INFO L226 Difference]: Without dead ends: 63 [2019-10-22 08:55:36,720 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 08:55:36,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-10-22 08:55:36,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-10-22 08:55:36,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-10-22 08:55:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 66 transitions. [2019-10-22 08:55:36,765 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 66 transitions. Word has length 11 [2019-10-22 08:55:36,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:36,766 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 66 transitions. [2019-10-22 08:55:36,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:55:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2019-10-22 08:55:36,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:55:36,767 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:36,767 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:36,767 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:36,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:36,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1350245435, now seen corresponding path program 1 times [2019-10-22 08:55:36,773 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:36,773 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267469066] [2019-10-22 08:55:36,773 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:36,773 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:36,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:36,871 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 08:55:36,872 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267469066] [2019-10-22 08:55:36,872 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:36,872 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:36,872 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027786109] [2019-10-22 08:55:36,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:36,889 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:36,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:36,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:36,890 INFO L87 Difference]: Start difference. First operand 63 states and 66 transitions. Second operand 5 states. [2019-10-22 08:55:37,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:37,100 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2019-10-22 08:55:37,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:55:37,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-10-22 08:55:37,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:37,102 INFO L225 Difference]: With dead ends: 70 [2019-10-22 08:55:37,102 INFO L226 Difference]: Without dead ends: 70 [2019-10-22 08:55:37,103 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 08:55:37,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-22 08:55:37,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2019-10-22 08:55:37,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-22 08:55:37,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2019-10-22 08:55:37,110 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 11 [2019-10-22 08:55:37,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:37,111 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2019-10-22 08:55:37,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:37,111 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2019-10-22 08:55:37,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:55:37,111 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:37,112 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:37,112 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:37,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:37,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1350245434, now seen corresponding path program 1 times [2019-10-22 08:55:37,113 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:37,113 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459017588] [2019-10-22 08:55:37,113 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:37,113 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:37,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:37,196 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 08:55:37,197 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459017588] [2019-10-22 08:55:37,197 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:37,197 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:37,197 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285666767] [2019-10-22 08:55:37,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:37,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:37,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:37,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:37,199 INFO L87 Difference]: Start difference. First operand 65 states and 75 transitions. Second operand 5 states. [2019-10-22 08:55:37,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:37,449 INFO L93 Difference]: Finished difference Result 88 states and 95 transitions. [2019-10-22 08:55:37,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:55:37,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-10-22 08:55:37,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:37,451 INFO L225 Difference]: With dead ends: 88 [2019-10-22 08:55:37,452 INFO L226 Difference]: Without dead ends: 88 [2019-10-22 08:55:37,452 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 08:55:37,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-22 08:55:37,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 79. [2019-10-22 08:55:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-10-22 08:55:37,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2019-10-22 08:55:37,473 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 11 [2019-10-22 08:55:37,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:37,473 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2019-10-22 08:55:37,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:37,474 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2019-10-22 08:55:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:55:37,474 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:37,475 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:37,475 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:37,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:37,476 INFO L82 PathProgramCache]: Analyzing trace with hash -878043118, now seen corresponding path program 1 times [2019-10-22 08:55:37,476 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:37,476 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716393106] [2019-10-22 08:55:37,476 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:37,477 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:37,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:37,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:37,590 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716393106] [2019-10-22 08:55:37,590 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:37,590 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:55:37,591 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726246829] [2019-10-22 08:55:37,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:55:37,591 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:37,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:55:37,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:37,592 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand 7 states. [2019-10-22 08:55:37,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:37,883 INFO L93 Difference]: Finished difference Result 112 states and 119 transitions. [2019-10-22 08:55:37,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:55:37,883 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-10-22 08:55:37,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:37,885 INFO L225 Difference]: With dead ends: 112 [2019-10-22 08:55:37,885 INFO L226 Difference]: Without dead ends: 112 [2019-10-22 08:55:37,886 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:55:37,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-22 08:55:37,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 82. [2019-10-22 08:55:37,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-22 08:55:37,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 90 transitions. [2019-10-22 08:55:37,894 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 90 transitions. Word has length 19 [2019-10-22 08:55:37,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:37,894 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 90 transitions. [2019-10-22 08:55:37,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:55:37,895 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2019-10-22 08:55:37,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:55:37,895 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:37,896 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:37,896 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:37,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:37,897 INFO L82 PathProgramCache]: Analyzing trace with hash 385795896, now seen corresponding path program 1 times [2019-10-22 08:55:37,897 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:37,897 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785364048] [2019-10-22 08:55:37,898 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:37,898 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:37,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:38,034 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785364048] [2019-10-22 08:55:38,035 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:38,035 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:55:38,035 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24671024] [2019-10-22 08:55:38,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:55:38,036 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:38,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:55:38,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:38,037 INFO L87 Difference]: Start difference. First operand 82 states and 90 transitions. Second operand 7 states. [2019-10-22 08:55:38,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:38,401 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2019-10-22 08:55:38,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:55:38,402 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-10-22 08:55:38,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:38,403 INFO L225 Difference]: With dead ends: 105 [2019-10-22 08:55:38,403 INFO L226 Difference]: Without dead ends: 105 [2019-10-22 08:55:38,403 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:55:38,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-10-22 08:55:38,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 85. [2019-10-22 08:55:38,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-10-22 08:55:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2019-10-22 08:55:38,413 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 19 [2019-10-22 08:55:38,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:38,414 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2019-10-22 08:55:38,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:55:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2019-10-22 08:55:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:55:38,415 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:38,415 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:38,415 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:38,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:38,415 INFO L82 PathProgramCache]: Analyzing trace with hash 385795897, now seen corresponding path program 1 times [2019-10-22 08:55:38,416 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:38,416 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691190110] [2019-10-22 08:55:38,416 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:38,416 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:38,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:38,579 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691190110] [2019-10-22 08:55:38,579 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:38,580 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:55:38,580 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418446204] [2019-10-22 08:55:38,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:55:38,580 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:38,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:55:38,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:38,587 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 7 states. [2019-10-22 08:55:38,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:38,963 INFO L93 Difference]: Finished difference Result 106 states and 116 transitions. [2019-10-22 08:55:38,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:55:38,963 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-10-22 08:55:38,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:38,964 INFO L225 Difference]: With dead ends: 106 [2019-10-22 08:55:38,964 INFO L226 Difference]: Without dead ends: 106 [2019-10-22 08:55:38,964 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:55:38,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-22 08:55:38,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 76. [2019-10-22 08:55:38,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-10-22 08:55:38,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2019-10-22 08:55:38,972 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 19 [2019-10-22 08:55:38,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:38,972 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2019-10-22 08:55:38,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:55:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2019-10-22 08:55:38,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 08:55:38,973 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:38,974 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:38,974 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:38,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:38,974 INFO L82 PathProgramCache]: Analyzing trace with hash -2033424545, now seen corresponding path program 1 times [2019-10-22 08:55:38,974 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:38,975 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913972335] [2019-10-22 08:55:38,975 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:38,975 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:38,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:39,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:39,038 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913972335] [2019-10-22 08:55:39,039 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:39,039 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:55:39,039 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437642546] [2019-10-22 08:55:39,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:55:39,040 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:39,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:55:39,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:39,040 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2019-10-22 08:55:39,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:39,250 INFO L93 Difference]: Finished difference Result 101 states and 108 transitions. [2019-10-22 08:55:39,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:55:39,250 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-10-22 08:55:39,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:39,251 INFO L225 Difference]: With dead ends: 101 [2019-10-22 08:55:39,251 INFO L226 Difference]: Without dead ends: 101 [2019-10-22 08:55:39,252 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:55:39,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-10-22 08:55:39,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 78. [2019-10-22 08:55:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-22 08:55:39,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2019-10-22 08:55:39,257 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 21 [2019-10-22 08:55:39,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:39,258 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2019-10-22 08:55:39,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:55:39,258 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2019-10-22 08:55:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 08:55:39,258 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:39,259 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:39,259 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:39,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:39,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1965728522, now seen corresponding path program 1 times [2019-10-22 08:55:39,260 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:39,260 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285206651] [2019-10-22 08:55:39,260 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,260 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:39,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:39,318 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285206651] [2019-10-22 08:55:39,319 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:39,319 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:55:39,319 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919016172] [2019-10-22 08:55:39,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:55:39,320 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:39,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:55:39,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:39,320 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand 7 states. [2019-10-22 08:55:39,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:39,564 INFO L93 Difference]: Finished difference Result 86 states and 93 transitions. [2019-10-22 08:55:39,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:55:39,565 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-10-22 08:55:39,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:39,565 INFO L225 Difference]: With dead ends: 86 [2019-10-22 08:55:39,566 INFO L226 Difference]: Without dead ends: 86 [2019-10-22 08:55:39,566 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:55:39,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-10-22 08:55:39,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 76. [2019-10-22 08:55:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-10-22 08:55:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2019-10-22 08:55:39,574 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 21 [2019-10-22 08:55:39,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:39,575 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2019-10-22 08:55:39,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:55:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2019-10-22 08:55:39,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 08:55:39,575 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:39,576 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:39,576 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:39,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:39,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1965728523, now seen corresponding path program 1 times [2019-10-22 08:55:39,576 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:39,582 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437353764] [2019-10-22 08:55:39,582 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,583 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:39,679 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437353764] [2019-10-22 08:55:39,679 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:39,679 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:55:39,679 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696293330] [2019-10-22 08:55:39,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:55:39,680 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:39,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:55:39,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:39,680 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2019-10-22 08:55:39,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:39,987 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2019-10-22 08:55:39,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:55:39,988 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-10-22 08:55:39,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:39,989 INFO L225 Difference]: With dead ends: 83 [2019-10-22 08:55:39,989 INFO L226 Difference]: Without dead ends: 83 [2019-10-22 08:55:39,989 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:55:39,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-10-22 08:55:39,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 64. [2019-10-22 08:55:39,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-10-22 08:55:39,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 72 transitions. [2019-10-22 08:55:39,993 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 72 transitions. Word has length 21 [2019-10-22 08:55:39,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:39,994 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 72 transitions. [2019-10-22 08:55:39,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:55:39,994 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2019-10-22 08:55:39,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:55:39,995 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:39,995 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:39,995 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:39,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:39,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1386723445, now seen corresponding path program 1 times [2019-10-22 08:55:39,996 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:39,996 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324375497] [2019-10-22 08:55:39,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:39,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:40,050 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:55:40,050 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:55:40,064 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-10-22 08:55:40,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:55:40 BoogieIcfgContainer [2019-10-22 08:55:40,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:55:40,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:40,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:40,085 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:40,086 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:36" (3/4) ... [2019-10-22 08:55:40,090 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:55:40,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:40,093 INFO L168 Benchmark]: Toolchain (without parser) took 5115.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.4 MB in the beginning and 906.0 MB in the end (delta: 38.5 MB). Peak memory consumption was 184.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:40,094 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:40,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:40,095 INFO L168 Benchmark]: Boogie Preprocessor took 56.58 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:40,096 INFO L168 Benchmark]: RCFGBuilder took 659.56 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: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:40,097 INFO L168 Benchmark]: TraceAbstraction took 3870.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.0 MB in the end (delta: 155.4 MB). Peak memory consumption was 155.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:40,097 INFO L168 Benchmark]: Witness Printer took 5.82 ms. Allocated memory is still 1.2 GB. Free memory is still 906.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:40,103 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 519.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.58 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 659.56 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: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3870.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.0 MB in the end (delta: 155.4 MB). Peak memory consumption was 155.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.82 ms. Allocated memory is still 1.2 GB. Free memory is still 906.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 520]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 520. Possible FailurePath: [L521] List a = (List) malloc(sizeof(struct node)); VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}] [L522] COND FALSE !(a == 0) VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}] [L523] List t; [L524] List p = a; VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}] [L525] COND FALSE !(__VERIFIER_nondet_int()) [L532] COND FALSE !(__VERIFIER_nondet_int()) [L539] p->h = 3 VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}] [L540] p = a VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}] [L541] EXPR p->h VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3] [L541] COND FALSE !(p->h == 1) [L543] EXPR p->h VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3] [L543] COND FALSE !(p->h == 2) [L545] EXPR p->h VAL [a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3] [L545] COND FALSE !(p->h != 3) [L547] return 0; VAL [\result=0, a={-1:0}, malloc(sizeof(struct node))={-1:0}, p={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 88 locations, 25 error locations. Result: UNSAFE, OverallTime: 3.8s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 399 SDtfs, 589 SDslu, 748 SDs, 0 SdLazy, 1643 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 146 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 10156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 08:55:42,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:42,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:42,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:42,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:42,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:42,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:42,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:42,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:42,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:42,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:42,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:42,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:42,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:42,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:42,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:42,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:42,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:42,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:42,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:42,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:42,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:42,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:42,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:42,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:42,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:42,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:42,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:42,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:42,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:42,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:42,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:42,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:42,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:42,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:42,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:42,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:42,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:42,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:42,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:42,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:42,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-10-22 08:55:42,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:42,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:42,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:42,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:42,511 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:42,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:42,511 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:42,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:55:42,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:42,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:42,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:42,512 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:55:42,512 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:55:42,513 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:55:42,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:55:42,513 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:55:42,513 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:55:42,514 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:42,514 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:42,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:42,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:42,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:55:42,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:55:42,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:42,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:42,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:55:42,515 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:55:42,516 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:55:42,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:55:42,516 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_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 283704c20cde057c38dc133107a27c4d033fb1ba [2019-10-22 08:55:42,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:42,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:42,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:42,578 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:42,579 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:42,579 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/../../sv-benchmarks/c/list-properties/list-1.i [2019-10-22 08:55:42,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/data/1787d4928/784facd0772c448092437508438eb70c/FLAG10f61d3fe [2019-10-22 08:55:43,083 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:43,083 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/sv-benchmarks/c/list-properties/list-1.i [2019-10-22 08:55:43,094 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/data/1787d4928/784facd0772c448092437508438eb70c/FLAG10f61d3fe [2019-10-22 08:55:43,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/bin/uautomizer/data/1787d4928/784facd0772c448092437508438eb70c [2019-10-22 08:55:43,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:43,427 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:55:43,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:43,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:43,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:43,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:43" (1/1) ... [2019-10-22 08:55:43,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363bcde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:43, skipping insertion in model container [2019-10-22 08:55:43,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:43" (1/1) ... [2019-10-22 08:55:43,446 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:43,488 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:43,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:43,843 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:44,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:44,094 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:44,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:44 WrapperNode [2019-10-22 08:55:44,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:44,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:44,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:44,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:44,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:44" (1/1) ... [2019-10-22 08:55:44,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:44" (1/1) ... [2019-10-22 08:55:44,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:44" (1/1) ... [2019-10-22 08:55:44,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:44" (1/1) ... [2019-10-22 08:55:44,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:44" (1/1) ... [2019-10-22 08:55:44,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:44" (1/1) ... [2019-10-22 08:55:44,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:44" (1/1) ... [2019-10-22 08:55:44,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:44,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:44,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:44,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:44,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/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 08:55:44,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:55:44,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:44,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 08:55:44,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 08:55:44,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 08:55:44,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 08:55:44,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 08:55:44,237 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-22 08:55:44,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:55:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 08:55:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:55:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:55:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:55:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:55:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:55:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:55:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:55:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:55:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:55:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:55:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:55:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:55:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:55:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:55:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:55:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:55:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:55:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 08:55:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 08:55:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 08:55:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 08:55:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 08:55:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:55:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:55:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:55:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:55:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:55:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:55:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:55:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:55:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:55:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:55:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:55:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:55:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:55:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:55:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:55:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:55:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:55:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:55:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:55:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:55:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:55:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:55:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:55:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:55:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:55:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:55:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:55:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:55:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:55:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:55:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:55:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:55:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:55:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:55:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:55:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:55:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:55:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:55:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:55:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:55:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:55:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:55:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:55:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:55:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:55:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:55:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:55:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:55:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:55:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:55:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:55:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:55:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:55:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:55:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:55:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:55:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:55:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:55:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:55:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:55:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:55:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:55:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:55:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:55:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:55:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:55:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:55:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:55:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:55:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:55:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:55:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:55:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:55:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:55:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:55:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:55:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:55:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:55:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:55:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:55:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:55:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:55:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:55:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:55:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:55:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:55:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-22 08:55:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:55:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:55:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:55:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:55:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:55:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:55:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:55:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:44,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:55:44,605 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-22 08:55:44,993 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:44,993 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 08:55:44,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:44 BoogieIcfgContainer [2019-10-22 08:55:44,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:44,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:55:44,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:55:45,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:55:45,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:55:43" (1/3) ... [2019-10-22 08:55:45,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9709db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:45, skipping insertion in model container [2019-10-22 08:55:45,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:44" (2/3) ... [2019-10-22 08:55:45,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9709db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:45, skipping insertion in model container [2019-10-22 08:55:45,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:44" (3/3) ... [2019-10-22 08:55:45,004 INFO L109 eAbstractionObserver]: Analyzing ICFG list-1.i [2019-10-22 08:55:45,015 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:55:45,024 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2019-10-22 08:55:45,037 INFO L249 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2019-10-22 08:55:45,056 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:55:45,056 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:55:45,056 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:55:45,057 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:45,057 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:45,057 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:55:45,057 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:45,057 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:55:45,071 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2019-10-22 08:55:45,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:55:45,080 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:45,081 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:45,083 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr24ENSURES_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION]=== [2019-10-22 08:55:45,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:45,089 INFO L82 PathProgramCache]: Analyzing trace with hash 41225819, now seen corresponding path program 1 times [2019-10-22 08:55:45,099 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:55:45,099 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1881949186] [2019-10-22 08:55:45,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f8a93e5-2ef0-4dcc-b632-2e9b85caf927/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 08:55:45,331 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 08:55:45,332 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 08:55:45,337 INFO L168 Benchmark]: Toolchain (without parser) took 1908.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -146.2 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:45,338 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:45,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -217.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:45,339 INFO L168 Benchmark]: Boogie Preprocessor took 70.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:45,340 INFO L168 Benchmark]: RCFGBuilder took 829.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:45,341 INFO L168 Benchmark]: TraceAbstraction took 339.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:45,344 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 665.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -217.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 829.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 339.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort C_DOUBLE not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort C_DOUBLE not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...