./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/simple_built_from_end.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_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple_built_from_end.i -s /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/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 41b5142f2d6582efd6d9a128e4dfef83faaab097 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple_built_from_end.i -s /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/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 41b5142f2d6582efd6d9a128e4dfef83faaab097 ................................................................................................................................................................................................................................................................................................................................................................. 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 08:55:33,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:33,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:33,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:33,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:33,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:33,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:33,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:33,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:33,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:33,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:33,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:33,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:33,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:33,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:33,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:33,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:33,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:33,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:33,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:33,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:33,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:33,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:33,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:33,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:33,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:33,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:33,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:33,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:33,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:33,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:33,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:33,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:33,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:33,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:33,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:33,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:33,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:33,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:33,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:33,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:33,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 08:55:33,441 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:33,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:33,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:33,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:33,443 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:33,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:33,443 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:33,443 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:55:33,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:33,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:33,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:33,444 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:55:33,444 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:55:33,444 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:55:33,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:55:33,444 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:33,444 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:33,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:33,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:33,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:55:33,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:55:33,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:33,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:33,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:55:33,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:55:33,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:55:33,447 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_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/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 -> 41b5142f2d6582efd6d9a128e4dfef83faaab097 [2019-10-22 08:55:33,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:33,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:33,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:33,483 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:33,484 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:33,484 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/../../sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-10-22 08:55:33,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/data/76064025b/61ce3ce2edb34500867889d31c3e0a1d/FLAGd0f685064 [2019-10-22 08:55:33,950 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:33,950 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-10-22 08:55:33,964 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/data/76064025b/61ce3ce2edb34500867889d31c3e0a1d/FLAGd0f685064 [2019-10-22 08:55:34,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/data/76064025b/61ce3ce2edb34500867889d31c3e0a1d [2019-10-22 08:55:34,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:34,315 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:55:34,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:34,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:34,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:34,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62066543 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 08:55:34,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,332 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:34,368 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:34,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:34,688 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:34,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:34,756 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:34,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34 WrapperNode [2019-10-22 08:55:34,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:34,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:34,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:34,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:34,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... [2019-10-22 08:55:34,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:34,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:34,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:34,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:34,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/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 08:55:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:55:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 08:55:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 08:55:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 08:55:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 08:55:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 08:55:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-22 08:55:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:55:34,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 08:55:34,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:55:34,844 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:55:34,845 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:55:34,845 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:55:34,845 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:55:34,845 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:55:34,845 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:55:34,845 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:55:34,845 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:55:34,845 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:55:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:55:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:55:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:55:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:55:34,846 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:55:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:55:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:55:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 08:55:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 08:55:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 08:55:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 08:55:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 08:55:34,847 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:55:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:55:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:55:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:55:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:55:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:55:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:55:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:55:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:55:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:55:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:55:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:55:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:55:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:55:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:55:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:55:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:55:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:55:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:55:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:55:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:55:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:55:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:55:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:55:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:55:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:55:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:55:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:55:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:55:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:55:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:55:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:55:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:55:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:55:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:55:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:55:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:55:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:55:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:55:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:55:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:55:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:55:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:55:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:55:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:55:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:55:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:55:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:55:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:55:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:55:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:55:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:55:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:55:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:55:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:55:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:55:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:55:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:55:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:55:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:55:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:55:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:55:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:55:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:55:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:55:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:55:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:55:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:55:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:55:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:55:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:55:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:55:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:55:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:55:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:55:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:55:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:55:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:55:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:55:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:55:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:55:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:55:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:55:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:55:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:55:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:55:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-22 08:55:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:55:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:55:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:55:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:55:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:55:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:55:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:55:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:55:35,130 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-22 08:55:35,292 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:35,293 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-22 08:55:35,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:35 BoogieIcfgContainer [2019-10-22 08:55:35,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:35,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:55:35,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:55:35,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:55:35,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:55:34" (1/3) ... [2019-10-22 08:55:35,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1250f367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:35, skipping insertion in model container [2019-10-22 08:55:35,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:34" (2/3) ... [2019-10-22 08:55:35,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1250f367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:35, skipping insertion in model container [2019-10-22 08:55:35,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:35" (3/3) ... [2019-10-22 08:55:35,304 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_built_from_end.i [2019-10-22 08:55:35,314 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:55:35,321 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-10-22 08:55:35,333 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-10-22 08:55:35,353 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:55:35,353 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:55:35,353 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:55:35,356 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:35,356 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:35,356 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:55:35,356 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:35,356 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:55:35,369 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2019-10-22 08:55:35,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 08:55:35,382 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:35,383 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:35,385 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:35,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:35,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1646810453, now seen corresponding path program 1 times [2019-10-22 08:55:35,400 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:35,400 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330251499] [2019-10-22 08:55:35,401 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,401 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:35,546 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 08:55:35,547 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330251499] [2019-10-22 08:55:35,547 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:35,547 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:55:35,548 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746764004] [2019-10-22 08:55:35,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:55:35,552 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:35,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:55:35,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:35,562 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 3 states. [2019-10-22 08:55:35,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:35,641 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2019-10-22 08:55:35,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:55:35,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-10-22 08:55:35,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:35,652 INFO L225 Difference]: With dead ends: 47 [2019-10-22 08:55:35,652 INFO L226 Difference]: Without dead ends: 38 [2019-10-22 08:55:35,653 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 08:55:35,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-22 08:55:35,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2019-10-22 08:55:35,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-10-22 08:55:35,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2019-10-22 08:55:35,683 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 9 [2019-10-22 08:55:35,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:35,683 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2019-10-22 08:55:35,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:55:35,683 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2019-10-22 08:55:35,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:55:35,684 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:35,684 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:35,684 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:35,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:35,685 INFO L82 PathProgramCache]: Analyzing trace with hash 487831939, now seen corresponding path program 1 times [2019-10-22 08:55:35,685 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:35,685 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667079350] [2019-10-22 08:55:35,685 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,685 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:35,732 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 08:55:35,732 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667079350] [2019-10-22 08:55:35,732 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:35,733 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:35,733 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453073756] [2019-10-22 08:55:35,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:55:35,734 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:35,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:55:35,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:55:35,735 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand 4 states. [2019-10-22 08:55:35,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:35,801 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2019-10-22 08:55:35,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:55:35,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 08:55:35,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:35,802 INFO L225 Difference]: With dead ends: 38 [2019-10-22 08:55:35,802 INFO L226 Difference]: Without dead ends: 37 [2019-10-22 08:55:35,803 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:35,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-10-22 08:55:35,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 29. [2019-10-22 08:55:35,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-22 08:55:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-10-22 08:55:35,807 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 10 [2019-10-22 08:55:35,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:35,807 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-10-22 08:55:35,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:55:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-10-22 08:55:35,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:55:35,807 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:35,808 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:35,808 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:35,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:35,808 INFO L82 PathProgramCache]: Analyzing trace with hash 487833254, now seen corresponding path program 1 times [2019-10-22 08:55:35,808 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:35,808 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289281585] [2019-10-22 08:55:35,809 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,809 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:35,877 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 08:55:35,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289281585] [2019-10-22 08:55:35,881 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:35,881 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:55:35,882 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086825831] [2019-10-22 08:55:35,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:55:35,882 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:35,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:55:35,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:55:35,883 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 4 states. [2019-10-22 08:55:35,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:35,955 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-10-22 08:55:35,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:55:35,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 08:55:35,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:35,957 INFO L225 Difference]: With dead ends: 27 [2019-10-22 08:55:35,957 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 08:55:35,957 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:55:35,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 08:55:35,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 08:55:35,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 08:55:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2019-10-22 08:55:35,960 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 10 [2019-10-22 08:55:35,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:35,960 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2019-10-22 08:55:35,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:55:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2019-10-22 08:55:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 08:55:35,960 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:35,961 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:35,961 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:35,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:35,961 INFO L82 PathProgramCache]: Analyzing trace with hash 487833255, now seen corresponding path program 1 times [2019-10-22 08:55:35,961 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:35,961 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570360507] [2019-10-22 08:55:35,962 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,962 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:35,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:36,039 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 08:55:36,040 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570360507] [2019-10-22 08:55:36,040 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:36,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:55:36,040 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968164170] [2019-10-22 08:55:36,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:55:36,041 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:36,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:55:36,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:55:36,041 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 4 states. [2019-10-22 08:55:36,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:36,095 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-10-22 08:55:36,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:55:36,095 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 08:55:36,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:36,096 INFO L225 Difference]: With dead ends: 25 [2019-10-22 08:55:36,096 INFO L226 Difference]: Without dead ends: 25 [2019-10-22 08:55:36,096 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:55:36,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-10-22 08:55:36,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-10-22 08:55:36,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-22 08:55:36,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2019-10-22 08:55:36,099 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 10 [2019-10-22 08:55:36,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:36,100 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2019-10-22 08:55:36,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:55:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-10-22 08:55:36,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:55:36,100 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:36,101 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:36,101 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:36,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:36,101 INFO L82 PathProgramCache]: Analyzing trace with hash -146268883, now seen corresponding path program 1 times [2019-10-22 08:55:36,101 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:36,102 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618281859] [2019-10-22 08:55:36,104 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:36,104 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:36,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:36,173 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 08:55:36,173 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618281859] [2019-10-22 08:55:36,174 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:36,177 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:36,178 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318282065] [2019-10-22 08:55:36,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:36,178 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:36,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:36,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:36,179 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 5 states. [2019-10-22 08:55:36,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:36,266 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-10-22 08:55:36,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:55:36,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-10-22 08:55:36,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:36,267 INFO L225 Difference]: With dead ends: 33 [2019-10-22 08:55:36,267 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 08:55:36,267 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:55:36,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 08:55:36,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 26. [2019-10-22 08:55:36,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-10-22 08:55:36,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2019-10-22 08:55:36,271 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 16 [2019-10-22 08:55:36,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:36,271 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-10-22 08:55:36,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:36,271 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2019-10-22 08:55:36,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:55:36,272 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:36,272 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:36,272 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:36,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:36,272 INFO L82 PathProgramCache]: Analyzing trace with hash -146268882, now seen corresponding path program 1 times [2019-10-22 08:55:36,272 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:36,273 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309581562] [2019-10-22 08:55:36,273 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:36,273 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:36,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:36,336 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 08:55:36,336 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309581562] [2019-10-22 08:55:36,336 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:36,336 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:36,337 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559012925] [2019-10-22 08:55:36,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:36,337 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:36,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:36,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:36,338 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand 5 states. [2019-10-22 08:55:36,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:36,416 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-10-22 08:55:36,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:55:36,416 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-10-22 08:55:36,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:36,417 INFO L225 Difference]: With dead ends: 35 [2019-10-22 08:55:36,417 INFO L226 Difference]: Without dead ends: 35 [2019-10-22 08:55:36,417 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 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 08:55:36,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-22 08:55:36,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 28. [2019-10-22 08:55:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-22 08:55:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2019-10-22 08:55:36,420 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 16 [2019-10-22 08:55:36,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:36,421 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2019-10-22 08:55:36,421 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:36,421 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2019-10-22 08:55:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:55:36,421 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:36,421 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:36,422 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:36,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:36,423 INFO L82 PathProgramCache]: Analyzing trace with hash -146268927, now seen corresponding path program 1 times [2019-10-22 08:55:36,423 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:36,423 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43094885] [2019-10-22 08:55:36,423 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:36,423 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:36,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:36,437 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 08:55:36,489 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 08:55:36,489 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43094885] [2019-10-22 08:55:36,490 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:36,493 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:55:36,493 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146177290] [2019-10-22 08:55:36,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:36,494 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:36,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:36,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:36,495 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 5 states. [2019-10-22 08:55:36,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:36,582 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-10-22 08:55:36,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:55:36,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-10-22 08:55:36,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:36,583 INFO L225 Difference]: With dead ends: 33 [2019-10-22 08:55:36,584 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 08:55:36,584 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 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 08:55:36,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 08:55:36,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2019-10-22 08:55:36,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-22 08:55:36,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2019-10-22 08:55:36,587 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 16 [2019-10-22 08:55:36,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:36,588 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2019-10-22 08:55:36,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:36,588 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-10-22 08:55:36,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 08:55:36,588 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:36,588 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:36,589 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:36,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:36,589 INFO L82 PathProgramCache]: Analyzing trace with hash 547670611, now seen corresponding path program 1 times [2019-10-22 08:55:36,589 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:36,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174381732] [2019-10-22 08:55:36,590 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:36,590 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:36,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:36,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:36,676 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174381732] [2019-10-22 08:55:36,676 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943054536] [2019-10-22 08:55:36,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:55:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:36,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-22 08:55:36,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:55:36,884 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-10-22 08:55:36,885 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:55:36,894 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:55:36,901 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-10-22 08:55:36,902 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:55:36,910 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:55:36,911 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:55:36,911 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:25 [2019-10-22 08:55:37,012 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-22 08:55:37,014 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2019-10-22 08:55:37,014 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:55:37,036 INFO L567 ElimStorePlain]: treesize reduction 3, result has 91.2 percent of original size [2019-10-22 08:55:37,040 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-22 08:55:37,042 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:55:37,042 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2019-10-22 08:55:37,043 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:55:37,051 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:55:37,052 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:55:37,052 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:49, output treesize:7 [2019-10-22 08:55:37,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:37,057 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:55:37,057 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2019-10-22 08:55:37,057 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199061269] [2019-10-22 08:55:37,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-22 08:55:37,058 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:37,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-22 08:55:37,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:55:37,058 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 12 states. [2019-10-22 08:55:37,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:37,307 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2019-10-22 08:55:37,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 08:55:37,308 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 21 [2019-10-22 08:55:37,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:37,309 INFO L225 Difference]: With dead ends: 44 [2019-10-22 08:55:37,309 INFO L226 Difference]: Without dead ends: 44 [2019-10-22 08:55:37,309 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2019-10-22 08:55:37,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-10-22 08:55:37,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2019-10-22 08:55:37,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-10-22 08:55:37,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2019-10-22 08:55:37,313 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 21 [2019-10-22 08:55:37,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:37,313 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2019-10-22 08:55:37,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-22 08:55:37,314 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2019-10-22 08:55:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 08:55:37,314 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:37,314 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 08:55:37,515 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:55:37,515 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION]=== [2019-10-22 08:55:37,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:37,516 INFO L82 PathProgramCache]: Analyzing trace with hash 547670567, now seen corresponding path program 1 times [2019-10-22 08:55:37,516 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:37,516 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395214551] [2019-10-22 08:55:37,516 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:37,516 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:37,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:55:37,572 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:55:37,572 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:55:37,582 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-10-22 08:55:37,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:55:37 BoogieIcfgContainer [2019-10-22 08:55:37,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:55:37,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:37,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:37,596 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:37,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:35" (3/4) ... [2019-10-22 08:55:37,600 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:55:37,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:37,601 INFO L168 Benchmark]: Toolchain (without parser) took 3285.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 939.1 MB in the beginning and 798.6 MB in the end (delta: 140.5 MB). Peak memory consumption was 256.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:37,601 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:37,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:37,603 INFO L168 Benchmark]: Boogie Preprocessor took 43.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:37,604 INFO L168 Benchmark]: RCFGBuilder took 493.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:37,604 INFO L168 Benchmark]: TraceAbstraction took 2300.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 798.6 MB in the end (delta: 242.8 MB). Peak memory consumption was 242.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:37,604 INFO L168 Benchmark]: Witness Printer took 4.80 ms. Allocated memory is still 1.1 GB. Free memory is still 798.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:37,607 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 437.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 493.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2300.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 798.6 MB in the end (delta: 242.8 MB). Peak memory consumption was 242.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.80 ms. Allocated memory is still 1.1 GB. Free memory is still 798.6 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 t; [L522] List p = 0; VAL [p={0:0}] [L523] COND TRUE __VERIFIER_nondet_int() [L524] t = (List) malloc(sizeof(struct node)) VAL [malloc(sizeof(struct node))={2:0}, p={0:0}, t={2:0}] [L525] COND FALSE !(t == 0) VAL [malloc(sizeof(struct node))={2:0}, p={0:0}, t={2:0}] [L526] t->h = 1 VAL [malloc(sizeof(struct node))={2:0}, p={0:0}, t={2:0}] [L527] t->n = p VAL [malloc(sizeof(struct node))={2:0}, p={0:0}, t={2:0}] [L528] p = t VAL [malloc(sizeof(struct node))={2:0}, p={2:0}, t={2:0}] [L523] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND TRUE p!=0 VAL [malloc(sizeof(struct node))={2:0}, p={2:0}, t={2:0}] [L531] EXPR p->h VAL [malloc(sizeof(struct node))={2:0}, p={2:0}, p->h=1, t={2:0}] [L531] COND FALSE !(p->h != 1) [L534] EXPR p->n VAL [malloc(sizeof(struct node))={2:0}, p={2:0}, p->n={0:0}, t={2:0}] [L534] p = p->n [L530] COND FALSE !(p!=0) VAL [malloc(sizeof(struct node))={2:0}, p={0:0}, t={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 50 locations, 9 error locations. Result: UNSAFE, OverallTime: 2.2s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 136 SDtfs, 182 SDslu, 146 SDs, 0 SdLazy, 462 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 35 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 120 ConstructedInterpolants, 6 QuantifiedInterpolants, 13135 SizeOfPredicates, 11 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 8/14 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 08:55:39,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:39,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:39,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-22 08:55:39,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:39,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:39,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:39,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:39,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:39,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:39,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:39,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:39,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:39,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:39,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:39,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:39,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-22 08:55:39,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:39,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:39,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:39,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:39,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:39,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:39,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:39,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:39,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:39,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:39,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:39,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-10-22 08:55:39,677 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:39,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:39,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:39,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:39,679 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:39,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:39,679 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:39,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:55:39,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:39,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:39,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:39,680 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:55:39,680 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:55:39,680 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:55:39,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:55:39,680 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:55:39,680 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:55:39,680 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:39,681 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:39,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:39,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:39,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:55:39,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:55:39,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:39,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:39,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:55:39,683 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:55:39,683 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:55:39,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:55:39,683 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_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/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 -> 41b5142f2d6582efd6d9a128e4dfef83faaab097 [2019-10-22 08:55:39,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:39,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:39,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:39,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:39,727 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:39,727 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/../../sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-10-22 08:55:39,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/data/fbdb21136/cbcd61b0f00948f682263391806f0a8d/FLAG029586cdc [2019-10-22 08:55:40,182 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:40,182 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/sv-benchmarks/c/list-properties/simple_built_from_end.i [2019-10-22 08:55:40,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/data/fbdb21136/cbcd61b0f00948f682263391806f0a8d/FLAG029586cdc [2019-10-22 08:55:40,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/bin/uautomizer/data/fbdb21136/cbcd61b0f00948f682263391806f0a8d [2019-10-22 08:55:40,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:40,528 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:55:40,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:40,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:40,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:40,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:40" (1/1) ... [2019-10-22 08:55:40,535 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 08:55:40, skipping insertion in model container [2019-10-22 08:55:40,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:40" (1/1) ... [2019-10-22 08:55:40,541 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:40,580 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:40,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:40,899 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:40,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:40,991 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:40,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:40 WrapperNode [2019-10-22 08:55:40,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:40,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:40,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:40,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:41,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:40" (1/1) ... [2019-10-22 08:55:41,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:40" (1/1) ... [2019-10-22 08:55:41,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:40" (1/1) ... [2019-10-22 08:55:41,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:40" (1/1) ... [2019-10-22 08:55:41,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:40" (1/1) ... [2019-10-22 08:55:41,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:40" (1/1) ... [2019-10-22 08:55:41,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:40" (1/1) ... [2019-10-22 08:55:41,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:41,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:41,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:41,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:41,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/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 08:55:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:55:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-22 08:55:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-22 08:55:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-10-22 08:55:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-10-22 08:55:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-10-22 08:55:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-22 08:55:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:55:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 08:55:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:55:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-22 08:55:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-22 08:55:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-22 08:55:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-22 08:55:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-22 08:55:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-22 08:55:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-22 08:55:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-22 08:55:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-22 08:55:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-22 08:55:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-22 08:55:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-22 08:55:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-22 08:55:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-22 08:55:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-22 08:55:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-22 08:55:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-22 08:55:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-22 08:55:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-10-22 08:55:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-10-22 08:55:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-10-22 08:55:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-22 08:55:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-22 08:55:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-22 08:55:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-22 08:55:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-22 08:55:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-22 08:55:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-22 08:55:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-22 08:55:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-22 08:55:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-22 08:55:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-22 08:55:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-22 08:55:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-22 08:55:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-22 08:55:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-22 08:55:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-22 08:55:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-22 08:55:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-22 08:55:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-22 08:55:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-22 08:55:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-22 08:55:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-22 08:55:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-22 08:55:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-22 08:55:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-22 08:55:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-22 08:55:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-22 08:55:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-22 08:55:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-22 08:55:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-22 08:55:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-22 08:55:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-22 08:55:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-22 08:55:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-22 08:55:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-22 08:55:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-22 08:55:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-22 08:55:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-22 08:55:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-22 08:55:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-22 08:55:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-22 08:55:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-22 08:55:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-22 08:55:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-22 08:55:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-22 08:55:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-22 08:55:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-22 08:55:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-22 08:55:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-22 08:55:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-22 08:55:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-22 08:55:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-22 08:55:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-22 08:55:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-22 08:55:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-22 08:55:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-22 08:55:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-22 08:55:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-22 08:55:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-22 08:55:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-22 08:55:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-22 08:55:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-22 08:55:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-22 08:55:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-22 08:55:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-22 08:55:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-22 08:55:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-22 08:55:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-22 08:55:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-22 08:55:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-22 08:55:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-22 08:55:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-22 08:55:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-22 08:55:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-22 08:55:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-22 08:55:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-22 08:55:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-22 08:55:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-22 08:55:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-22 08:55:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-22 08:55:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-22 08:55:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-22 08:55:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-22 08:55:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-22 08:55:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-22 08:55:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-22 08:55:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-22 08:55:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:55:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:55:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:55:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:55:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:55:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:55:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:55:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:55:41,426 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-22 08:55:41,552 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:41,552 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-22 08:55:41,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:41 BoogieIcfgContainer [2019-10-22 08:55:41,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:41,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:55:41,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:55:41,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:55:41,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:55:40" (1/3) ... [2019-10-22 08:55:41,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8e5740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:41, skipping insertion in model container [2019-10-22 08:55:41,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:40" (2/3) ... [2019-10-22 08:55:41,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8e5740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:41, skipping insertion in model container [2019-10-22 08:55:41,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:41" (3/3) ... [2019-10-22 08:55:41,559 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_built_from_end.i [2019-10-22 08:55:41,564 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:55:41,570 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-10-22 08:55:41,578 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-10-22 08:55:41,592 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:55:41,593 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:55:41,593 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:55:41,593 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:41,593 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:41,593 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:55:41,593 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:41,593 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:55:41,604 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-10-22 08:55:41,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 08:55:41,612 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:41,613 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:41,615 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr4REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr8ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-10-22 08:55:41,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:41,620 INFO L82 PathProgramCache]: Analyzing trace with hash 131073592, now seen corresponding path program 1 times [2019-10-22 08:55:41,629 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:55:41,629 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1863141983] [2019-10-22 08:55:41,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02711b3a-ef3f-46d6-9db1-bbf2c3f09e09/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 08:55:41,856 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 08:55:41,857 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 08:55:41,861 INFO L168 Benchmark]: Toolchain (without parser) took 1332.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -69.7 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:41,861 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 08:55:41,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:41,863 INFO L168 Benchmark]: Boogie Preprocessor took 60.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:41,864 INFO L168 Benchmark]: RCFGBuilder took 500.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:41,864 INFO L168 Benchmark]: TraceAbstraction took 304.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:41,867 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 463.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 500.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 304.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 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...