./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ff63897979b5dc3504f5d670d2783900c29ce57 ...................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ff63897979b5dc3504f5d670d2783900c29ce57 ............................................................................................................................................................................................................................ 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 0.1.24-678e011 [2019-11-20 03:54:52,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:54:52,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:54:52,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:54:52,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:54:52,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:54:52,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:54:52,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:54:52,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:54:52,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:54:52,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:54:52,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:54:52,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:54:52,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:54:52,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:54:52,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:54:52,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:54:52,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:54:52,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:54:52,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:54:52,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:54:52,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:54:52,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:54:52,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:54:52,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:54:52,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:54:52,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:54:52,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:54:52,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:54:52,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:54:52,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:54:52,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:54:52,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:54:52,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:54:52,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:54:52,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:54:52,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:54:52,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:54:52,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:54:52,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:54:52,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:54:52,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 03:54:52,889 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:54:52,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:54:52,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:54:52,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:54:52,898 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:54:52,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:54:52,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:54:52,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:54:52,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:54:52,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:54:52,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:54:52,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:54:52,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:54:52,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:54:52,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:54:52,900 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:54:52,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:54:52,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:54:52,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:54:52,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:54:52,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:54:52,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:54:52,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:54:52,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:54:52,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:54:52,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:54:52,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:54:52,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:54:52,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/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(__VERIFIER_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 -> 0ff63897979b5dc3504f5d670d2783900c29ce57 [2019-11-20 03:54:53,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:54:53,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:54:53,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:54:53,051 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:54:53,051 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:54:53,052 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-20 03:54:53,104 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/data/a751a9b26/ee4e6833b41541a189e5a463db981e40/FLAG641df626f [2019-11-20 03:54:53,507 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:54:53,507 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-20 03:54:53,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/data/a751a9b26/ee4e6833b41541a189e5a463db981e40/FLAG641df626f [2019-11-20 03:54:53,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/data/a751a9b26/ee4e6833b41541a189e5a463db981e40 [2019-11-20 03:54:53,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:54:53,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:54:53,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:54:53,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:54:53,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:54:53,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:54:53" (1/1) ... [2019-11-20 03:54:53,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca737a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:53, skipping insertion in model container [2019-11-20 03:54:53,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:54:53" (1/1) ... [2019-11-20 03:54:53,549 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:54:53,568 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:54:53,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:54:53,843 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:54:53,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:54:53,866 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:54:53,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:53 WrapperNode [2019-11-20 03:54:53,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:54:53,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:54:53,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:54:53,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:54:53,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:53" (1/1) ... [2019-11-20 03:54:53,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:53" (1/1) ... [2019-11-20 03:54:53,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:54:53,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:54:53,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:54:53,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:54:53,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:53" (1/1) ... [2019-11-20 03:54:53,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:53" (1/1) ... [2019-11-20 03:54:53,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:53" (1/1) ... [2019-11-20 03:54:53,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:53" (1/1) ... [2019-11-20 03:54:53,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:53" (1/1) ... [2019-11-20 03:54:53,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:53" (1/1) ... [2019-11-20 03:54:53,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:53" (1/1) ... [2019-11-20 03:54:53,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:54:53,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:54:53,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:54:53,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:54:53,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:54:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:54:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:54:54,073 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:54:54,073 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 03:54:54,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:54:54 BoogieIcfgContainer [2019-11-20 03:54:54,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:54:54,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:54:54,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:54:54,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:54:54,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:54:53" (1/3) ... [2019-11-20 03:54:54,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20615e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:54:54, skipping insertion in model container [2019-11-20 03:54:54,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:53" (2/3) ... [2019-11-20 03:54:54,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20615e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:54:54, skipping insertion in model container [2019-11-20 03:54:54,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:54:54" (3/3) ... [2019-11-20 03:54:54,081 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-11-20 03:54:54,090 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:54:54,095 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 03:54:54,106 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 03:54:54,126 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:54:54,126 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 03:54:54,126 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:54:54,127 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:54:54,127 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:54:54,127 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:54:54,127 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:54:54,127 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:54:54,142 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-20 03:54:54,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 03:54:54,149 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:54:54,150 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 03:54:54,150 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:54:54,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:54:54,156 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-20 03:54:54,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:54:54,165 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275312835] [2019-11-20 03:54:54,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:54:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:54:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:54:54,255 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:54:54,256 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 03:54:54,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:54:54 BoogieIcfgContainer [2019-11-20 03:54:54,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:54:54,267 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:54:54,267 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:54:54,268 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:54:54,268 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:54:54" (3/4) ... [2019-11-20 03:54:54,271 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 03:54:54,271 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:54:54,273 INFO L168 Benchmark]: Toolchain (without parser) took 742.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:54:54,274 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:54:54,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -212.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:54:54,275 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:54:54,276 INFO L168 Benchmark]: Boogie Preprocessor took 12.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:54:54,276 INFO L168 Benchmark]: RCFGBuilder took 162.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:54:54,277 INFO L168 Benchmark]: TraceAbstraction took 191.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:54:54,277 INFO L168 Benchmark]: Witness Printer took 3.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:54:54,281 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 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -212.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 162.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 191.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 6. Possible FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; [L7] COND TRUE result_8 == 0xfa [L12] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 3 NumberOfCodeBlocks, 3 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, 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 0.1.24-678e011 [2019-11-20 03:54:56,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:54:56,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:54:56,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:54:56,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:54:56,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:54:56,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:54:56,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:54:56,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:54:56,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:54:56,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:54:56,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:54:56,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:54:56,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:54:56,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:54:56,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:54:56,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:54:56,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:54:56,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:54:56,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:54:56,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:54:56,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:54:56,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:54:56,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:54:56,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:54:56,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:54:56,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:54:56,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:54:56,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:54:56,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:54:56,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:54:56,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:54:56,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:54:56,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:54:56,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:54:56,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:54:56,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:54:56,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:54:56,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:54:56,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:54:56,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:54:56,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 03:54:56,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:54:56,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:54:56,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:54:56,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:54:56,232 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:54:56,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:54:56,233 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:54:56,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:54:56,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:54:56,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:54:56,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:54:56,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:54:56,235 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 03:54:56,235 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 03:54:56,235 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:54:56,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:54:56,236 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:54:56,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:54:56,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:54:56,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:54:56,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:54:56,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:54:56,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:54:56,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:54:56,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:54:56,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:54:56,238 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 03:54:56,238 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 03:54:56,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:54:56,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 03:54:56,239 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/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(__VERIFIER_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 -> 0ff63897979b5dc3504f5d670d2783900c29ce57 [2019-11-20 03:54:56,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:54:56,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:54:56,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:54:56,528 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:54:56,529 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:54:56,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-20 03:54:56,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/data/6982f2559/38e44daa343d4f7f956f0563dc50f783/FLAG81fe85c40 [2019-11-20 03:54:56,967 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:54:56,968 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-20 03:54:56,973 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/data/6982f2559/38e44daa343d4f7f956f0563dc50f783/FLAG81fe85c40 [2019-11-20 03:54:57,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/data/6982f2559/38e44daa343d4f7f956f0563dc50f783 [2019-11-20 03:54:57,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:54:57,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:54:57,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:54:57,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:54:57,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:54:57,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:54:57" (1/1) ... [2019-11-20 03:54:57,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae0c03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:57, skipping insertion in model container [2019-11-20 03:54:57,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:54:57" (1/1) ... [2019-11-20 03:54:57,442 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:54:57,458 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:54:57,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:54:57,592 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:54:57,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:54:57,616 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:54:57,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:57 WrapperNode [2019-11-20 03:54:57,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:54:57,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:54:57,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:54:57,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:54:57,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:57" (1/1) ... [2019-11-20 03:54:57,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:57" (1/1) ... [2019-11-20 03:54:57,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:54:57,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:54:57,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:54:57,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:54:57,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:57" (1/1) ... [2019-11-20 03:54:57,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:57" (1/1) ... [2019-11-20 03:54:57,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:57" (1/1) ... [2019-11-20 03:54:57,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:57" (1/1) ... [2019-11-20 03:54:57,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:57" (1/1) ... [2019-11-20 03:54:57,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:57" (1/1) ... [2019-11-20 03:54:57,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:57" (1/1) ... [2019-11-20 03:54:57,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:54:57,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:54:57,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:54:57,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:54:57,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:54:57,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:54:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:54:57,868 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:54:57,868 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 03:54:57,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:54:57 BoogieIcfgContainer [2019-11-20 03:54:57,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:54:57,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:54:57,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:54:57,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:54:57,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:54:57" (1/3) ... [2019-11-20 03:54:57,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f46dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:54:57, skipping insertion in model container [2019-11-20 03:54:57,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:57" (2/3) ... [2019-11-20 03:54:57,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f46dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:54:57, skipping insertion in model container [2019-11-20 03:54:57,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:54:57" (3/3) ... [2019-11-20 03:54:57,877 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-11-20 03:54:57,883 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:54:57,888 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 03:54:57,895 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 03:54:57,912 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:54:57,912 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 03:54:57,912 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:54:57,912 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:54:57,912 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:54:57,912 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:54:57,913 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:54:57,913 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:54:57,924 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-20 03:54:57,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 03:54:57,928 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:54:57,928 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 03:54:57,929 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:54:57,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:54:57,933 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-20 03:54:57,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:54:57,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1367649163] [2019-11-20 03:54:57,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 03:54:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:54:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:54:58,002 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-20 03:54:58,003 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 03:54:58,205 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 03:54:58,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:54:58 BoogieIcfgContainer [2019-11-20 03:54:58,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:54:58,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:54:58,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:54:58,217 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:54:58,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:54:57" (3/4) ... [2019-11-20 03:54:58,220 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 03:54:58,254 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_671b473d-f55f-4249-a033-d47c2bdfd74b/bin/uautomizer/witness.graphml [2019-11-20 03:54:58,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:54:58,256 INFO L168 Benchmark]: Toolchain (without parser) took 828.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:54:58,256 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:54:58,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.45 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:54:58,258 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:54:58,258 INFO L168 Benchmark]: Boogie Preprocessor took 17.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:54:58,259 INFO L168 Benchmark]: RCFGBuilder took 157.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:54:58,260 INFO L168 Benchmark]: TraceAbstraction took 346.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:54:58,260 INFO L168 Benchmark]: Witness Printer took 36.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:54:58,263 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 189.45 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 157.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 346.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Witness Printer took 36.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; [L7] COND TRUE result_8 == 0xfa [L12] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 3 NumberOfCodeBlocks, 3 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...