./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.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_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/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 bf1168110983bcf9fdc75fe12a6575329d72d984 ........................................................................................................................................................................................................................ 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_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/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 bf1168110983bcf9fdc75fe12a6575329d72d984 ................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:37:42,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:37:42,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:37:42,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:37:42,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:37:42,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:37:42,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:37:42,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:37:42,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:37:42,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:37:42,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:37:42,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:37:42,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:37:42,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:37:42,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:37:42,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:37:42,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:37:42,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:37:42,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:37:42,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:37:42,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:37:42,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:37:42,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:37:42,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:37:42,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:37:42,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:37:42,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:37:42,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:37:42,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:37:42,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:37:42,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:37:42,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:37:42,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:37:42,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:37:42,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:37:42,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:37:42,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:37:42,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:37:42,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:37:42,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:37:42,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:37:42,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 20:37:42,776 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:37:42,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:37:42,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:37:42,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:37:42,790 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:37:42,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:37:42,790 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:37:42,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:37:42,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:37:42,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:37:42,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:37:42,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:37:42,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:37:42,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:37:42,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:37:42,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:37:42,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:37:42,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:37:42,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:37:42,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:37:42,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:37:42,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:37:42,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:37:42,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:37:42,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:37:42,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:37:42,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:37:42,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:37:42,798 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_a69f559d-ae07-4f7f-b906-0a345aea7c04/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 -> bf1168110983bcf9fdc75fe12a6575329d72d984 [2019-11-15 20:37:42,826 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:37:42,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:37:42,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:37:42,842 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:37:42,843 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:37:42,844 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2019-11-15 20:37:42,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/data/7ac9101c6/42b48b4751674899a7b906acfa67ed7f/FLAG96dc9fcf2 [2019-11-15 20:37:43,305 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:37:43,305 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2019-11-15 20:37:43,312 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/data/7ac9101c6/42b48b4751674899a7b906acfa67ed7f/FLAG96dc9fcf2 [2019-11-15 20:37:43,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/data/7ac9101c6/42b48b4751674899a7b906acfa67ed7f [2019-11-15 20:37:43,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:37:43,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:37:43,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:37:43,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:37:43,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:37:43,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:37:43" (1/1) ... [2019-11-15 20:37:43,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd7c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:43, skipping insertion in model container [2019-11-15 20:37:43,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:37:43" (1/1) ... [2019-11-15 20:37:43,778 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:37:43,796 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:37:44,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:37:44,110 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:37:44,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:37:44,146 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:37:44,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:44 WrapperNode [2019-11-15 20:37:44,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:37:44,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:37:44,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:37:44,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:37:44,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:44" (1/1) ... [2019-11-15 20:37:44,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:44" (1/1) ... [2019-11-15 20:37:44,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:37:44,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:37:44,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:37:44,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:37:44,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:44" (1/1) ... [2019-11-15 20:37:44,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:44" (1/1) ... [2019-11-15 20:37:44,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:44" (1/1) ... [2019-11-15 20:37:44,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:44" (1/1) ... [2019-11-15 20:37:44,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:44" (1/1) ... [2019-11-15 20:37:44,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:44" (1/1) ... [2019-11-15 20:37:44,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:44" (1/1) ... [2019-11-15 20:37:44,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:37:44,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:37:44,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:37:44,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:37:44,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/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 20:37:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:37:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:37:44,467 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:37:44,467 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 20:37:44,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:37:44 BoogieIcfgContainer [2019-11-15 20:37:44,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:37:44,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:37:44,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:37:44,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:37:44,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:37:43" (1/3) ... [2019-11-15 20:37:44,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7897c225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:37:44, skipping insertion in model container [2019-11-15 20:37:44,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:44" (2/3) ... [2019-11-15 20:37:44,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7897c225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:37:44, skipping insertion in model container [2019-11-15 20:37:44,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:37:44" (3/3) ... [2019-11-15 20:37:44,479 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2019-11-15 20:37:44,490 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:37:44,499 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:37:44,511 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:37:44,542 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:37:44,542 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:37:44,542 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:37:44,542 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:37:44,543 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:37:44,544 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:37:44,544 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:37:44,545 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:37:44,564 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-15 20:37:44,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-15 20:37:44,570 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:44,572 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-15 20:37:44,574 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:37:44,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:44,580 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-15 20:37:44,590 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:37:44,590 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293735973] [2019-11-15 20:37:44,591 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:44,591 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:37:44,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:37:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:37:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:37:44,695 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:37:44,696 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 20:37:44,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:37:44 BoogieIcfgContainer [2019-11-15 20:37:44,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:37:44,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:37:44,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:37:44,714 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:37:44,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:37:44" (3/4) ... [2019-11-15 20:37:44,719 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 20:37:44,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:37:44,722 INFO L168 Benchmark]: Toolchain (without parser) took 969.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:37:44,723 INFO L168 Benchmark]: CDTParser took 0.32 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 20:37:44,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 951.5 MB in the beginning and 1.2 GB in the end (delta: -203.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:37:44,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.94 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 20:37:44,725 INFO L168 Benchmark]: Boogie Preprocessor took 19.94 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 20:37:44,725 INFO L168 Benchmark]: RCFGBuilder took 262.04 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: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:37:44,726 INFO L168 Benchmark]: TraceAbstraction took 243.71 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:37:44,727 INFO L168 Benchmark]: Witness Printer took 5.21 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. [2019-11-15 20:37:44,730 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 392.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 951.5 MB in the beginning and 1.2 GB in the end (delta: -203.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.94 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 19.94 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 262.04 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: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 243.71 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.21 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-cad4683 [2019-11-15 20:37:47,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:37:47,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:37:47,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:37:47,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:37:47,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:37:47,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:37:47,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:37:47,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:37:47,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:37:47,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:37:47,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:37:47,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:37:47,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:37:47,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:37:47,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:37:47,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:37:47,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:37:47,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:37:47,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:37:47,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:37:47,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:37:47,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:37:47,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:37:47,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:37:47,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:37:47,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:37:47,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:37:47,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:37:47,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:37:47,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:37:47,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:37:47,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:37:47,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:37:47,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:37:47,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:37:47,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:37:47,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:37:47,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:37:47,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:37:47,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:37:47,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 20:37:47,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:37:47,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:37:47,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:37:47,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:37:47,241 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:37:47,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:37:47,242 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:37:47,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:37:47,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:37:47,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:37:47,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:37:47,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:37:47,243 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 20:37:47,243 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 20:37:47,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:37:47,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:37:47,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:37:47,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:37:47,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:37:47,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:37:47,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:37:47,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:37:47,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:37:47,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:37:47,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:37:47,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:37:47,246 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 20:37:47,246 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 20:37:47,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:37:47,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 20:37:47,247 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_a69f559d-ae07-4f7f-b906-0a345aea7c04/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 -> bf1168110983bcf9fdc75fe12a6575329d72d984 [2019-11-15 20:37:47,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:37:47,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:37:47,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:37:47,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:37:47,336 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:37:47,338 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2019-11-15 20:37:47,413 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/data/f3f8c1b16/8c4469baed3741dda523840628207eca/FLAG7f04787a1 [2019-11-15 20:37:47,825 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:37:47,826 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2019-11-15 20:37:47,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/data/f3f8c1b16/8c4469baed3741dda523840628207eca/FLAG7f04787a1 [2019-11-15 20:37:48,197 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/data/f3f8c1b16/8c4469baed3741dda523840628207eca [2019-11-15 20:37:48,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:37:48,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:37:48,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:37:48,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:37:48,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:37:48,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:37:48" (1/1) ... [2019-11-15 20:37:48,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4214ed4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:48, skipping insertion in model container [2019-11-15 20:37:48,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:37:48" (1/1) ... [2019-11-15 20:37:48,219 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:37:48,235 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:37:48,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:37:48,473 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:37:48,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:37:48,510 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:37:48,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:48 WrapperNode [2019-11-15 20:37:48,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:37:48,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:37:48,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:37:48,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:37:48,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:48" (1/1) ... [2019-11-15 20:37:48,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:48" (1/1) ... [2019-11-15 20:37:48,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:37:48,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:37:48,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:37:48,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:37:48,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:48" (1/1) ... [2019-11-15 20:37:48,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:48" (1/1) ... [2019-11-15 20:37:48,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:48" (1/1) ... [2019-11-15 20:37:48,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:48" (1/1) ... [2019-11-15 20:37:48,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:48" (1/1) ... [2019-11-15 20:37:48,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:48" (1/1) ... [2019-11-15 20:37:48,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:48" (1/1) ... [2019-11-15 20:37:48,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:37:48,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:37:48,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:37:48,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:37:48,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/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 20:37:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:37:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:37:48,837 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:37:48,837 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 20:37:48,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:37:48 BoogieIcfgContainer [2019-11-15 20:37:48,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:37:48,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:37:48,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:37:48,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:37:48,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:37:48" (1/3) ... [2019-11-15 20:37:48,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d405ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:37:48, skipping insertion in model container [2019-11-15 20:37:48,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:37:48" (2/3) ... [2019-11-15 20:37:48,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d405ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:37:48, skipping insertion in model container [2019-11-15 20:37:48,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:37:48" (3/3) ... [2019-11-15 20:37:48,846 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2019-11-15 20:37:48,854 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:37:48,862 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:37:48,874 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:37:48,897 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:37:48,898 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:37:48,898 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:37:48,898 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:37:48,898 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:37:48,899 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:37:48,899 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:37:48,899 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:37:48,913 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-15 20:37:48,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-15 20:37:48,918 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:37:48,919 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-15 20:37:48,921 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:37:48,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:37:48,927 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-15 20:37:48,937 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:37:48,937 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2084330118] [2019-11-15 20:37:48,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/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 20:37:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:37:48,989 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 20:37:48,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:37:49,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:37:49,040 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:37:49,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:37:49,059 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2084330118] [2019-11-15 20:37:49,060 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:37:49,060 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 20:37:49,061 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613774521] [2019-11-15 20:37:49,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 20:37:49,066 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:37:49,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 20:37:49,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 20:37:49,085 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2019-11-15 20:37:49,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:37:49,117 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2019-11-15 20:37:49,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 20:37:49,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-11-15 20:37:49,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:37:49,127 INFO L225 Difference]: With dead ends: 10 [2019-11-15 20:37:49,127 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 20:37:49,130 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 20:37:49,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 20:37:49,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 20:37:49,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 20:37:49,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 20:37:49,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-15 20:37:49,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:37:49,155 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:37:49,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 20:37:49,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 20:37:49,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 20:37:49,358 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 20:37:49,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 20:37:49,396 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 20:37:49,396 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 20:37:49,396 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 20:37:49,397 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2019-11-15 20:37:49,397 INFO L439 ceAbstractionStarter]: At program point L13(lines 3 14) the Hoare annotation is: (= (bvadd ULTIMATE.start_main_~result_8~0 (_ bv6 8)) (_ bv0 8)) [2019-11-15 20:37:49,397 INFO L439 ceAbstractionStarter]: At program point L8(lines 3 14) the Hoare annotation is: false [2019-11-15 20:37:49,397 INFO L443 ceAbstractionStarter]: For program point L7(lines 7 9) no Hoare annotation was computed. [2019-11-15 20:37:49,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:37:49 BoogieIcfgContainer [2019-11-15 20:37:49,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:37:49,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:37:49,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:37:49,408 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:37:49,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:37:48" (3/4) ... [2019-11-15 20:37:49,411 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 20:37:49,420 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 20:37:49,421 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 20:37:49,453 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a69f559d-ae07-4f7f-b906-0a345aea7c04/bin/uautomizer/witness.graphml [2019-11-15 20:37:49,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:37:49,456 INFO L168 Benchmark]: Toolchain (without parser) took 1253.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 1.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:37:49,456 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:37:49,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.73 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:37:49,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -209.2 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2019-11-15 20:37:49,458 INFO L168 Benchmark]: Boogie Preprocessor took 22.72 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. [2019-11-15 20:37:49,459 INFO L168 Benchmark]: RCFGBuilder took 193.16 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-15 20:37:49,460 INFO L168 Benchmark]: TraceAbstraction took 567.37 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-15 20:37:49,460 INFO L168 Benchmark]: Witness Printer took 46.54 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. [2019-11-15 20:37:49,464 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 308.73 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.3 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 110.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -209.2 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.72 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. * RCFGBuilder took 193.16 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 567.37 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Witness Printer took 46.54 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: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: ~bvadd64(result_8, 6bv8) == 0bv8 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 2 NumberOfNonLiveVariables, 6 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 correct! Received shutdown request...