./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c45a2095b49f6777b86778952566dd983301d428 .................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c45a2095b49f6777b86778952566dd983301d428 ....................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:13:53,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:13:53,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:13:53,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:13:53,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:13:53,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:13:53,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:13:53,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:13:53,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:13:53,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:13:53,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:13:53,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:13:53,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:13:53,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:13:53,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:13:53,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:13:53,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:13:53,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:13:53,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:13:53,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:13:53,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:13:53,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:13:53,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:13:53,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:13:53,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:13:53,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:13:53,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:13:53,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:13:53,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:13:53,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:13:53,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:13:53,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:13:53,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:13:53,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:13:53,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:13:53,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:13:53,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:13:53,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:13:53,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:13:53,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:13:53,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:13:53,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:13:53,498 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:13:53,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:13:53,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:13:53,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:13:53,500 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:13:53,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:13:53,501 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:13:53,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:13:53,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:13:53,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:13:53,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:13:53,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:13:53,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:13:53,502 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:13:53,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:13:53,503 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:13:53,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:13:53,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:13:53,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:13:53,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:13:53,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:13:53,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:13:53,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:13:53,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:13:53,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:13:53,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:13:53,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:13:53,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:13:53,510 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:13:53,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c45a2095b49f6777b86778952566dd983301d428 [2020-11-28 03:13:53,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:13:53,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:13:53,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:13:53,878 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:13:53,879 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:13:53,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-11-28 03:13:53,974 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/data/a666f0bbe/fe2a8f1de22a41319eead27b5d632a08/FLAGbf53dd53f [2020-11-28 03:13:54,506 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:13:54,507 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-11-28 03:13:54,523 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/data/a666f0bbe/fe2a8f1de22a41319eead27b5d632a08/FLAGbf53dd53f [2020-11-28 03:13:54,880 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/data/a666f0bbe/fe2a8f1de22a41319eead27b5d632a08 [2020-11-28 03:13:54,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:13:54,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:13:54,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:13:54,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:13:54,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:13:54,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:13:54" (1/1) ... [2020-11-28 03:13:54,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e15b6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54, skipping insertion in model container [2020-11-28 03:13:54,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:13:54" (1/1) ... [2020-11-28 03:13:54,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:13:54,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:13:55,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:13:55,080 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:13:55,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:13:55,128 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:13:55,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:55 WrapperNode [2020-11-28 03:13:55,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:13:55,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:13:55,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:13:55,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:13:55,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:55" (1/1) ... [2020-11-28 03:13:55,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:55" (1/1) ... [2020-11-28 03:13:55,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:13:55,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:13:55,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:13:55,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:13:55,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:55" (1/1) ... [2020-11-28 03:13:55,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:55" (1/1) ... [2020-11-28 03:13:55,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:55" (1/1) ... [2020-11-28 03:13:55,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:55" (1/1) ... [2020-11-28 03:13:55,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:55" (1/1) ... [2020-11-28 03:13:55,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:55" (1/1) ... [2020-11-28 03:13:55,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:55" (1/1) ... [2020-11-28 03:13:55,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:13:55,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:13:55,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:13:55,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:13:55,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/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 [2020-11-28 03:13:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:13:55,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:13:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:13:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:13:55,472 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:13:55,472 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 03:13:55,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:55 BoogieIcfgContainer [2020-11-28 03:13:55,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:13:55,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:13:55,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:13:55,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:13:55,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:13:54" (1/3) ... [2020-11-28 03:13:55,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@356655df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:13:55, skipping insertion in model container [2020-11-28 03:13:55,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:55" (2/3) ... [2020-11-28 03:13:55,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@356655df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:13:55, skipping insertion in model container [2020-11-28 03:13:55,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:55" (3/3) ... [2020-11-28 03:13:55,505 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2020-11-28 03:13:55,522 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:13:55,526 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:13:55,557 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:13:55,599 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:13:55,599 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:13:55,599 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:13:55,600 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:13:55,600 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:13:55,600 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:13:55,600 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:13:55,601 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:13:55,620 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-11-28 03:13:55,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 03:13:55,625 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:13:55,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-28 03:13:55,626 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:13:55,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:55,649 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-11-28 03:13:55,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:55,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186025999] [2020-11-28 03:13:55,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:13:55,785 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:13:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:13:55,813 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:13:55,836 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:13:55,837 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:13:55,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:13:55,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:13:55 BoogieIcfgContainer [2020-11-28 03:13:55,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:13:55,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:13:55,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:13:55,862 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:13:55,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:55" (3/4) ... [2020-11-28 03:13:55,866 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:13:55,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:13:55,869 INFO L168 Benchmark]: Toolchain (without parser) took 983.07 ms. Allocated memory is still 102.8 MB. Free memory was 78.0 MB in the beginning and 56.9 MB in the end (delta: 21.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:55,870 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 61.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:13:55,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.67 ms. Allocated memory is still 102.8 MB. Free memory was 77.8 MB in the beginning and 81.5 MB in the end (delta: -3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:55,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.57 ms. Allocated memory is still 102.8 MB. Free memory was 81.5 MB in the beginning and 80.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:13:55,874 INFO L168 Benchmark]: Boogie Preprocessor took 19.54 ms. Allocated memory is still 102.8 MB. Free memory was 80.0 MB in the beginning and 79.2 MB in the end (delta: 751.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:13:55,875 INFO L168 Benchmark]: RCFGBuilder took 280.23 ms. Allocated memory is still 102.8 MB. Free memory was 79.0 MB in the beginning and 69.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:55,876 INFO L168 Benchmark]: TraceAbstraction took 384.36 ms. Allocated memory is still 102.8 MB. Free memory was 69.0 MB in the beginning and 57.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:55,877 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 102.8 MB. Free memory was 57.3 MB in the beginning and 56.9 MB in the end (delta: 446.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:13:55,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 61.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 244.67 ms. Allocated memory is still 102.8 MB. Free memory was 77.8 MB in the beginning and 81.5 MB in the end (delta: -3.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.57 ms. Allocated memory is still 102.8 MB. Free memory was 81.5 MB in the beginning and 80.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.54 ms. Allocated memory is still 102.8 MB. Free memory was 80.0 MB in the beginning and 79.2 MB in the end (delta: 751.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 280.23 ms. Allocated memory is still 102.8 MB. Free memory was 79.0 MB in the beginning and 69.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 384.36 ms. Allocated memory is still 102.8 MB. Free memory was 69.0 MB in the beginning and 57.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.36 ms. Allocated memory is still 102.8 MB. Free memory was 57.3 MB in the beginning and 56.9 MB in the end (delta: 446.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 8. Possible FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 == 0xfa [L3] __assert_fail("0", "integerpromotion-3.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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 0.2.0-a4ecdab [2020-11-28 03:13:58,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:13:58,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:13:58,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:13:58,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:13:58,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:13:58,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:13:58,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:13:58,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:13:58,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:13:58,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:13:58,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:13:58,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:13:58,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:13:58,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:13:58,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:13:58,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:13:58,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:13:58,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:13:58,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:13:58,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:13:58,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:13:58,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:13:58,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:13:58,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:13:58,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:13:58,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:13:58,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:13:58,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:13:58,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:13:58,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:13:58,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:13:58,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:13:58,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:13:58,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:13:58,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:13:58,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:13:58,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:13:58,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:13:58,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:13:58,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:13:58,862 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:13:58,917 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:13:58,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:13:58,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:13:58,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:13:58,923 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:13:58,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:13:58,924 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:13:58,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:13:58,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:13:58,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:13:58,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:13:58,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:13:58,927 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:13:58,927 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:13:58,927 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:13:58,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:13:58,928 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:13:58,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:13:58,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:13:58,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:13:58,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:13:58,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:13:58,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:13:58,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:13:58,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:13:58,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:13:58,942 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:13:58,942 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:13:58,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:13:58,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:13:58,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:13:58,943 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c45a2095b49f6777b86778952566dd983301d428 [2020-11-28 03:13:59,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:13:59,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:13:59,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:13:59,457 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:13:59,458 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:13:59,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-11-28 03:13:59,543 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/data/e40dcb109/956061ebfd714a5a98c05e118b3bfafd/FLAG6621b6e0d [2020-11-28 03:14:00,046 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:00,047 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-11-28 03:14:00,054 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/data/e40dcb109/956061ebfd714a5a98c05e118b3bfafd/FLAG6621b6e0d [2020-11-28 03:14:00,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/data/e40dcb109/956061ebfd714a5a98c05e118b3bfafd [2020-11-28 03:14:00,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:00,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:14:00,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:00,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:00,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:00,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:00" (1/1) ... [2020-11-28 03:14:00,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f5b2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:00, skipping insertion in model container [2020-11-28 03:14:00,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:00" (1/1) ... [2020-11-28 03:14:00,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:00,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:00,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:00,678 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:14:00,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:00,713 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:14:00,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:00 WrapperNode [2020-11-28 03:14:00,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:00,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:00,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:14:00,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:14:00,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:00" (1/1) ... [2020-11-28 03:14:00,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:00" (1/1) ... [2020-11-28 03:14:00,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:00,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:14:00,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:14:00,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:14:00,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:00" (1/1) ... [2020-11-28 03:14:00,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:00" (1/1) ... [2020-11-28 03:14:00,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:00" (1/1) ... [2020-11-28 03:14:00,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:00" (1/1) ... [2020-11-28 03:14:00,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:00" (1/1) ... [2020-11-28 03:14:00,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:00" (1/1) ... [2020-11-28 03:14:00,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:00" (1/1) ... [2020-11-28 03:14:00,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:14:00,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:14:00,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:14:00,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:14:00,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/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 [2020-11-28 03:14:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:14:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:14:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 03:14:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:14:01,340 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:14:01,341 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 03:14:01,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:01 BoogieIcfgContainer [2020-11-28 03:14:01,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:14:01,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:14:01,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:14:01,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:14:01,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:14:00" (1/3) ... [2020-11-28 03:14:01,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6884ab3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:01, skipping insertion in model container [2020-11-28 03:14:01,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:00" (2/3) ... [2020-11-28 03:14:01,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6884ab3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:01, skipping insertion in model container [2020-11-28 03:14:01,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:01" (3/3) ... [2020-11-28 03:14:01,352 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2020-11-28 03:14:01,372 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:14:01,376 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:14:01,401 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:14:01,428 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:14:01,428 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:14:01,428 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:14:01,429 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:14:01,429 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:14:01,429 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:14:01,429 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:14:01,429 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:14:01,443 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-11-28 03:14:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 03:14:01,448 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:01,449 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-28 03:14:01,450 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:01,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:01,455 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-11-28 03:14:01,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:14:01,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864028325] [2020-11-28 03:14:01,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 03:14:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:01,550 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:01,572 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:01,601 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-28 03:14:01,601 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:14:01,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:14:01,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:14:01 BoogieIcfgContainer [2020-11-28 03:14:01,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:14:01,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:14:01,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:14:01,853 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:14:01,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:01" (3/4) ... [2020-11-28 03:14:01,855 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:14:01,932 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_116fe668-0c72-4319-aefb-a9e891b17610/bin/uautomizer/witness.graphml [2020-11-28 03:14:01,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:14:01,934 INFO L168 Benchmark]: Toolchain (without parser) took 1502.33 ms. Allocated memory is still 75.5 MB. Free memory was 60.9 MB in the beginning and 34.9 MB in the end (delta: 26.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:01,935 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 75.5 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:01,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.20 ms. Allocated memory is still 75.5 MB. Free memory was 60.7 MB in the beginning and 51.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:01,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.89 ms. Allocated memory is still 75.5 MB. Free memory was 51.3 MB in the beginning and 49.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:01,938 INFO L168 Benchmark]: Boogie Preprocessor took 57.46 ms. Allocated memory is still 75.5 MB. Free memory was 49.9 MB in the beginning and 60.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:01,939 INFO L168 Benchmark]: RCFGBuilder took 530.89 ms. Allocated memory is still 75.5 MB. Free memory was 60.2 MB in the beginning and 50.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:01,940 INFO L168 Benchmark]: TraceAbstraction took 505.20 ms. Allocated memory is still 75.5 MB. Free memory was 49.7 MB in the beginning and 36.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:01,941 INFO L168 Benchmark]: Witness Printer took 79.77 ms. Allocated memory is still 75.5 MB. Free memory was 36.6 MB in the beginning and 34.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:01,953 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 75.5 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 278.20 ms. Allocated memory is still 75.5 MB. Free memory was 60.7 MB in the beginning and 51.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.89 ms. Allocated memory is still 75.5 MB. Free memory was 51.3 MB in the beginning and 49.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.46 ms. Allocated memory is still 75.5 MB. Free memory was 49.9 MB in the beginning and 60.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 530.89 ms. Allocated memory is still 75.5 MB. Free memory was 60.2 MB in the beginning and 50.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 505.20 ms. Allocated memory is still 75.5 MB. Free memory was 49.7 MB in the beginning and 36.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 79.77 ms. Allocated memory is still 75.5 MB. Free memory was 36.6 MB in the beginning and 34.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 == 0xfa [L3] __assert_fail("0", "integerpromotion-3.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...