./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/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_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/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-cad4683 [2019-11-15 22:15:50,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:15:50,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:15:50,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:15:50,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:15:50,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:15:50,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:15:50,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:15:50,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:15:50,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:15:50,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:15:50,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:15:50,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:15:50,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:15:50,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:15:50,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:15:50,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:15:50,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:15:50,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:15:50,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:15:50,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:15:50,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:15:50,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:15:50,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:15:50,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:15:50,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:15:50,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:15:50,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:15:50,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:15:50,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:15:50,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:15:50,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:15:50,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:15:50,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:15:50,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:15:50,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:15:50,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:15:50,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:15:50,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:15:50,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:15:50,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:15:50,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:15:50,734 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:15:50,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:15:50,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:15:50,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:15:50,736 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:15:50,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:15:50,736 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:15:50,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:15:50,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:15:50,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:15:50,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:15:50,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:15:50,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:15:50,737 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:15:50,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:15:50,738 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:15:50,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:15:50,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:15:50,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:15:50,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:15:50,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:15:50,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:15:50,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:15:50,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:15:50,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:15:50,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:15:50,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:15:50,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:15:50,750 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_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/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 [2019-11-15 22:15:50,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:15:50,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:15:50,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:15:50,797 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:15:50,797 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:15:50,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-15 22:15:50,852 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/data/9eea58544/9fddabfd0c6443ed96a5d81b8cca3346/FLAG6ed471786 [2019-11-15 22:15:51,216 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:15:51,217 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-15 22:15:51,222 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/data/9eea58544/9fddabfd0c6443ed96a5d81b8cca3346/FLAG6ed471786 [2019-11-15 22:15:51,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/data/9eea58544/9fddabfd0c6443ed96a5d81b8cca3346 [2019-11-15 22:15:51,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:15:51,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:15:51,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:15:51,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:15:51,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:15:51,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:15:51" (1/1) ... [2019-11-15 22:15:51,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae935dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:51, skipping insertion in model container [2019-11-15 22:15:51,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:15:51" (1/1) ... [2019-11-15 22:15:51,670 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:15:51,683 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:15:51,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:15:51,927 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:15:51,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:15:51,953 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:15:51,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:51 WrapperNode [2019-11-15 22:15:51,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:15:51,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:15:51,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:15:51,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:15:51,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:51" (1/1) ... [2019-11-15 22:15:51,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:51" (1/1) ... [2019-11-15 22:15:51,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:15:51,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:15:51,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:15:51,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:15:51,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:51" (1/1) ... [2019-11-15 22:15:51,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:51" (1/1) ... [2019-11-15 22:15:51,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:51" (1/1) ... [2019-11-15 22:15:51,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:51" (1/1) ... [2019-11-15 22:15:52,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:51" (1/1) ... [2019-11-15 22:15:52,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:51" (1/1) ... [2019-11-15 22:15:52,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:51" (1/1) ... [2019-11-15 22:15:52,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:15:52,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:15:52,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:15:52,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:15:52,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/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 [2019-11-15 22:15:52,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:15:52,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:15:52,176 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:15:52,176 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 22:15:52,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:15:52 BoogieIcfgContainer [2019-11-15 22:15:52,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:15:52,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:15:52,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:15:52,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:15:52,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:15:51" (1/3) ... [2019-11-15 22:15:52,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149e7e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:15:52, skipping insertion in model container [2019-11-15 22:15:52,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:51" (2/3) ... [2019-11-15 22:15:52,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149e7e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:15:52, skipping insertion in model container [2019-11-15 22:15:52,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:15:52" (3/3) ... [2019-11-15 22:15:52,184 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-11-15 22:15:52,192 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:15:52,198 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:15:52,208 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:15:52,229 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:15:52,229 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:15:52,229 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:15:52,229 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:15:52,230 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:15:52,230 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:15:52,230 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:15:52,230 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:15:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-15 22:15:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-15 22:15:52,247 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:15:52,249 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-15 22:15:52,250 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:15:52,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:15:52,256 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-15 22:15:52,263 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:15:52,264 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765796975] [2019-11-15 22:15:52,264 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:52,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:15:52,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:15:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:52,387 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:15:52,388 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:15:52,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:15:52 BoogieIcfgContainer [2019-11-15 22:15:52,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:15:52,404 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:15:52,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:15:52,404 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:15:52,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:15:52" (3/4) ... [2019-11-15 22:15:52,408 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:15:52,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:15:52,412 INFO L168 Benchmark]: Toolchain (without parser) took 753.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -126.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:15:52,413 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:15:52,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:15:52,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:15:52,416 INFO L168 Benchmark]: Boogie Preprocessor took 17.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:15:52,417 INFO L168 Benchmark]: RCFGBuilder took 171.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:15:52,417 INFO L168 Benchmark]: TraceAbstraction took 225.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:15:52,418 INFO L168 Benchmark]: Witness Printer took 4.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:15:52,426 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 171.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 225.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.31 ms. Allocated memory is still 1.1 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-cad4683 [2019-11-15 22:15:54,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:15:54,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:15:54,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:15:54,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:15:54,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:15:54,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:15:54,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:15:54,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:15:54,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:15:54,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:15:54,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:15:54,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:15:54,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:15:54,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:15:54,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:15:54,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:15:54,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:15:54,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:15:54,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:15:54,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:15:54,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:15:54,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:15:54,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:15:54,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:15:54,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:15:54,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:15:54,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:15:54,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:15:54,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:15:54,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:15:54,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:15:54,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:15:54,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:15:54,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:15:54,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:15:54,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:15:54,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:15:54,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:15:54,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:15:54,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:15:54,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 22:15:54,512 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:15:54,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:15:54,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:15:54,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:15:54,514 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:15:54,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:15:54,514 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:15:54,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:15:54,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:15:54,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:15:54,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:15:54,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:15:54,516 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:15:54,516 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:15:54,516 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:15:54,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:15:54,516 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:15:54,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:15:54,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:15:54,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:15:54,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:15:54,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:15:54,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:15:54,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:15:54,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:15:54,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:15:54,519 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:15:54,519 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:15:54,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:15:54,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:15:54,519 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_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/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 [2019-11-15 22:15:54,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:15:54,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:15:54,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:15:54,587 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:15:54,587 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:15:54,588 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-15 22:15:54,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/data/221fa5575/db56ebd844c047879f7e504b30344f42/FLAG245d43118 [2019-11-15 22:15:54,964 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:15:54,964 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-15 22:15:54,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/data/221fa5575/db56ebd844c047879f7e504b30344f42/FLAG245d43118 [2019-11-15 22:15:55,372 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/data/221fa5575/db56ebd844c047879f7e504b30344f42 [2019-11-15 22:15:55,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:15:55,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:15:55,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:15:55,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:15:55,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:15:55,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:15:55" (1/1) ... [2019-11-15 22:15:55,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5808c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:55, skipping insertion in model container [2019-11-15 22:15:55,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:15:55" (1/1) ... [2019-11-15 22:15:55,390 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:15:55,402 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:15:55,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:15:55,540 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:15:55,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:15:55,564 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:15:55,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:55 WrapperNode [2019-11-15 22:15:55,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:15:55,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:15:55,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:15:55,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:15:55,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:55" (1/1) ... [2019-11-15 22:15:55,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:55" (1/1) ... [2019-11-15 22:15:55,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:15:55,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:15:55,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:15:55,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:15:55,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:55" (1/1) ... [2019-11-15 22:15:55,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:55" (1/1) ... [2019-11-15 22:15:55,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:55" (1/1) ... [2019-11-15 22:15:55,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:55" (1/1) ... [2019-11-15 22:15:55,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:55" (1/1) ... [2019-11-15 22:15:55,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:55" (1/1) ... [2019-11-15 22:15:55,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:55" (1/1) ... [2019-11-15 22:15:55,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:15:55,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:15:55,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:15:55,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:15:55,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/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 [2019-11-15 22:15:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:15:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:15:55,871 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:15:55,871 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 22:15:55,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:15:55 BoogieIcfgContainer [2019-11-15 22:15:55,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:15:55,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:15:55,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:15:55,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:15:55,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:15:55" (1/3) ... [2019-11-15 22:15:55,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fba9312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:15:55, skipping insertion in model container [2019-11-15 22:15:55,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:15:55" (2/3) ... [2019-11-15 22:15:55,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fba9312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:15:55, skipping insertion in model container [2019-11-15 22:15:55,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:15:55" (3/3) ... [2019-11-15 22:15:55,880 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-11-15 22:15:55,888 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:15:55,894 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:15:55,904 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:15:55,938 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:15:55,938 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:15:55,938 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:15:55,938 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:15:55,939 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:15:55,939 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:15:55,939 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:15:55,940 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:15:55,954 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-15 22:15:55,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-15 22:15:55,960 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:15:55,961 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-15 22:15:55,962 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:15:55,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:15:55,968 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-15 22:15:55,977 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:15:55,978 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [395653761] [2019-11-15 22:15:55,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/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 [2019-11-15 22:15:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:15:56,052 INFO L168 tionRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-15 22:15:56,053 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:15:56,255 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 22:15:56,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:15:56 BoogieIcfgContainer [2019-11-15 22:15:56,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:15:56,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:15:56,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:15:56,269 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:15:56,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:15:55" (3/4) ... [2019-11-15 22:15:56,272 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 22:15:56,312 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ba1bc6b5-58cd-4334-8e8a-6e9c0c61d2b4/bin/uautomizer/witness.graphml [2019-11-15 22:15:56,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:15:56,314 INFO L168 Benchmark]: Toolchain (without parser) took 938.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:15:56,314 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:15:56,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.08 ms. Allocated memory is still 1.0 GB. Free memory was 945.6 MB in the beginning and 934.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:15:56,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 934.9 MB in the beginning and 1.2 GB in the end (delta: -238.8 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:15:56,316 INFO L168 Benchmark]: Boogie Preprocessor took 18.93 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. [2019-11-15 22:15:56,317 INFO L168 Benchmark]: RCFGBuilder took 172.06 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: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:15:56,317 INFO L168 Benchmark]: TraceAbstraction took 395.18 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:15:56,318 INFO L168 Benchmark]: Witness Printer took 43.05 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. [2019-11-15 22:15:56,321 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 189.08 ms. Allocated memory is still 1.0 GB. Free memory was 945.6 MB in the beginning and 934.9 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 115.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 934.9 MB in the beginning and 1.2 GB in the end (delta: -238.8 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.93 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 172.06 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: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 395.18 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Witness Printer took 43.05 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...