./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/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_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/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 0.1.24-6b5699a [2019-11-25 08:53:48,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:53:48,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:53:48,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:53:48,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:53:48,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:53:48,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:53:48,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:53:48,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:53:48,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:53:48,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:53:48,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:53:48,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:53:48,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:53:48,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:53:48,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:53:48,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:53:48,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:53:48,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:53:48,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:53:48,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:53:48,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:53:48,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:53:48,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:53:48,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:53:48,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:53:48,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:53:48,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:53:48,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:53:48,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:53:48,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:53:48,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:53:48,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:53:48,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:53:48,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:53:48,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:53:48,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:53:48,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:53:48,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:53:48,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:53:48,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:53:48,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:53:48,114 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:53:48,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:53:48,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:53:48,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:53:48,128 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:53:48,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:53:48,129 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:53:48,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:53:48,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:53:48,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:53:48,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:53:48,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:53:48,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:53:48,131 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:53:48,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:53:48,131 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:53:48,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:53:48,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:53:48,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:53:48,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:53:48,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:53:48,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:53:48,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:53:48,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:53:48,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:53:48,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:53:48,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:53:48,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:53:48,136 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_92817d3c-18f8-414f-a211-e1237fa523fb/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 [2019-11-25 08:53:48,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:53:48,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:53:48,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:53:48,346 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:53:48,346 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:53:48,347 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-25 08:53:48,420 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/data/5e619f8ab/caf07085c6d1430eb4acde8f206ff58f/FLAGf34cd1d11 [2019-11-25 08:53:48,819 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:53:48,820 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-25 08:53:48,826 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/data/5e619f8ab/caf07085c6d1430eb4acde8f206ff58f/FLAGf34cd1d11 [2019-11-25 08:53:49,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/data/5e619f8ab/caf07085c6d1430eb4acde8f206ff58f [2019-11-25 08:53:49,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:53:49,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:53:49,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:49,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:53:49,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:53:49,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764562e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49, skipping insertion in model container [2019-11-25 08:53:49,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:53:49,279 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:53:49,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:49,458 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:53:49,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:49,563 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:53:49,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49 WrapperNode [2019-11-25 08:53:49,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:49,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:49,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:53:49,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:53:49,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:49,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:53:49,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:53:49,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:53:49,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... [2019-11-25 08:53:49,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:53:49,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:53:49,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:53:49,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:53:49,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/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 [2019-11-25 08:53:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:53:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:53:49,776 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:53:49,776 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:53:49,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:49 BoogieIcfgContainer [2019-11-25 08:53:49,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:53:49,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:53:49,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:53:49,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:53:49,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:53:49" (1/3) ... [2019-11-25 08:53:49,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4dd69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:53:49, skipping insertion in model container [2019-11-25 08:53:49,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:49" (2/3) ... [2019-11-25 08:53:49,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4dd69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:53:49, skipping insertion in model container [2019-11-25 08:53:49,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:49" (3/3) ... [2019-11-25 08:53:49,784 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-11-25 08:53:49,793 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:53:49,798 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:53:49,808 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:53:49,829 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:53:49,829 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:53:49,830 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:53:49,830 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:53:49,830 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:53:49,830 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:53:49,830 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:53:49,831 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:53:49,843 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-25 08:53:49,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-25 08:53:49,848 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:49,850 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-25 08:53:49,850 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:49,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:49,856 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-25 08:53:49,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:49,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838275462] [2019-11-25 08:53:49,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:49,961 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:53:49,961 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:53:49,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:53:49 BoogieIcfgContainer [2019-11-25 08:53:49,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:53:49,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:53:49,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:53:49,973 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:53:49,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:49" (3/4) ... [2019-11-25 08:53:49,976 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:53:49,977 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:53:49,979 INFO L168 Benchmark]: Toolchain (without parser) took 734.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:49,980 INFO L168 Benchmark]: CDTParser took 0.56 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. [2019-11-25 08:53:49,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -213.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:49,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.23 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. [2019-11-25 08:53:49,981 INFO L168 Benchmark]: Boogie Preprocessor took 16.06 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. [2019-11-25 08:53:49,982 INFO L168 Benchmark]: RCFGBuilder took 168.55 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:49,983 INFO L168 Benchmark]: TraceAbstraction took 193.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:49,983 INFO L168 Benchmark]: Witness Printer took 4.43 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. [2019-11-25 08:53:49,986 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 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 319.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -213.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.23 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 16.06 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 168.55 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 193.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.43 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 0.1.24-6b5699a [2019-11-25 08:53:51,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:53:51,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:53:51,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:53:51,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:53:51,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:53:51,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:53:51,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:53:51,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:53:51,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:53:51,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:53:51,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:53:51,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:53:51,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:53:51,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:53:51,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:53:51,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:53:51,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:53:51,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:53:51,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:53:51,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:53:51,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:53:51,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:53:51,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:53:51,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:53:51,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:53:51,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:53:51,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:53:51,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:53:51,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:53:51,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:53:51,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:53:51,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:53:51,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:53:51,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:53:51,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:53:51,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:53:51,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:53:51,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:53:51,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:53:51,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:53:51,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:53:51,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:53:51,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:53:51,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:53:51,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:53:51,938 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:53:51,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:53:51,938 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:53:51,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:53:51,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:53:51,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:53:51,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:53:51,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:53:51,940 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:53:51,941 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:53:51,941 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:53:51,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:53:51,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:53:51,942 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:53:51,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:53:51,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:53:51,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:53:51,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:53:51,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:53:51,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:53:51,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:53:51,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:53:51,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:53:51,944 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:53:51,945 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:53:51,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:53:51,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:53:51,945 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_92817d3c-18f8-414f-a211-e1237fa523fb/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 [2019-11-25 08:53:52,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:53:52,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:53:52,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:53:52,265 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:53:52,266 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:53:52,267 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-25 08:53:52,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/data/a4ec4af25/e1f6b372095f4e01b5b6a0a8c5051692/FLAG88cfee34f [2019-11-25 08:53:52,684 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:53:52,685 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-25 08:53:52,690 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/data/a4ec4af25/e1f6b372095f4e01b5b6a0a8c5051692/FLAG88cfee34f [2019-11-25 08:53:53,148 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/data/a4ec4af25/e1f6b372095f4e01b5b6a0a8c5051692 [2019-11-25 08:53:53,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:53:53,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:53:53,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:53,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:53:53,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:53:53,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:53" (1/1) ... [2019-11-25 08:53:53,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93d4c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:53, skipping insertion in model container [2019-11-25 08:53:53,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:53" (1/1) ... [2019-11-25 08:53:53,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:53:53,187 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:53:53,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:53,345 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:53:53,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:53,370 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:53:53,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:53 WrapperNode [2019-11-25 08:53:53,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:53,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:53,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:53:53,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:53:53,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:53" (1/1) ... [2019-11-25 08:53:53,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:53" (1/1) ... [2019-11-25 08:53:53,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:53,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:53:53,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:53:53,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:53:53,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:53" (1/1) ... [2019-11-25 08:53:53,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:53" (1/1) ... [2019-11-25 08:53:53,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:53" (1/1) ... [2019-11-25 08:53:53,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:53" (1/1) ... [2019-11-25 08:53:53,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:53" (1/1) ... [2019-11-25 08:53:53,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:53" (1/1) ... [2019-11-25 08:53:53,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:53" (1/1) ... [2019-11-25 08:53:53,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:53:53,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:53:53,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:53:53,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:53:53,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/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 [2019-11-25 08:53:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:53:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:53:53,674 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:53:53,675 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:53:53,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:53 BoogieIcfgContainer [2019-11-25 08:53:53,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:53:53,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:53:53,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:53:53,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:53:53,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:53:53" (1/3) ... [2019-11-25 08:53:53,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f5cce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:53:53, skipping insertion in model container [2019-11-25 08:53:53,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:53" (2/3) ... [2019-11-25 08:53:53,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f5cce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:53:53, skipping insertion in model container [2019-11-25 08:53:53,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:53" (3/3) ... [2019-11-25 08:53:53,684 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-11-25 08:53:53,692 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:53:53,697 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:53:53,707 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:53:53,728 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:53:53,728 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:53:53,729 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:53:53,729 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:53:53,729 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:53:53,729 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:53:53,729 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:53:53,729 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:53:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-25 08:53:53,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-25 08:53:53,747 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:53,748 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-25 08:53:53,748 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:53,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:53,753 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-25 08:53:53,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:53:53,763 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [369811190] [2019-11-25 08:53:53,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/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 [2019-11-25 08:53:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:53:53,828 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-25 08:53:53,828 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:53:54,030 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-25 08:53:54,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:53:54 BoogieIcfgContainer [2019-11-25 08:53:54,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:53:54,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:53:54,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:53:54,042 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:53:54,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:53" (3/4) ... [2019-11-25 08:53:54,046 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-25 08:53:54,076 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_92817d3c-18f8-414f-a211-e1237fa523fb/bin/uautomizer/witness.graphml [2019-11-25 08:53:54,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:53:54,078 INFO L168 Benchmark]: Toolchain (without parser) took 925.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:54,079 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:54,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.18 ms. Allocated memory is still 1.0 GB. Free memory was 957.8 MB in the beginning and 947.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:54,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -209.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:54,081 INFO L168 Benchmark]: Boogie Preprocessor took 20.14 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. [2019-11-25 08:53:54,081 INFO L168 Benchmark]: RCFGBuilder took 185.52 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:54,082 INFO L168 Benchmark]: TraceAbstraction took 364.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:54,082 INFO L168 Benchmark]: Witness Printer took 34.43 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:54,087 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 215.18 ms. Allocated memory is still 1.0 GB. Free memory was 957.8 MB in the beginning and 947.0 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 97.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -209.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.14 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 185.52 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 364.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Witness Printer took 34.43 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: 6.6 MB). Peak memory consumption was 6.6 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...