./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 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c45a2095b49f6777b86778952566dd983301d428 ............................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c45a2095b49f6777b86778952566dd983301d428 .................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 22:22:50,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:22:50,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:22:50,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:22:50,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:22:50,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:22:50,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:22:50,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:22:50,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:22:50,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:22:50,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:22:50,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:22:50,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:22:50,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:22:50,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:22:50,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:22:50,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:22:50,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:22:50,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:22:50,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:22:50,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:22:50,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:22:50,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:22:50,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:22:50,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:22:50,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:22:50,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:22:50,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:22:50,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:22:50,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:22:50,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:22:50,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:22:50,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:22:50,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:22:50,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:22:50,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:22:50,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:22:50,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:22:50,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:22:50,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:22:50,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:22:50,786 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:22:50,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:22:50,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:22:50,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:22:50,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:22:50,820 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:22:50,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:22:50,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:22:50,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:22:50,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:22:50,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:22:50,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:22:50,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:22:50,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:22:50,822 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:22:50,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:22:50,823 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:22:50,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:22:50,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:22:50,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:22:50,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:22:50,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:22:50,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:22:50,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:22:50,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:22:50,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:22:50,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:22:50,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:22:50,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:22:50,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:22:50,827 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c45a2095b49f6777b86778952566dd983301d428 [2020-10-19 22:22:51,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:22:51,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:22:51,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:22:51,067 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:22:51,068 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:22:51,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-10-19 22:22:51,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789f06de9/a178e26ae07d4647a9ea8ec3d349d46f/FLAG4f0879659 [2020-10-19 22:22:51,631 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:22:51,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-10-19 22:22:51,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789f06de9/a178e26ae07d4647a9ea8ec3d349d46f/FLAG4f0879659 [2020-10-19 22:22:52,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789f06de9/a178e26ae07d4647a9ea8ec3d349d46f [2020-10-19 22:22:52,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:22:52,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:22:52,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:22:52,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:22:52,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:22:52,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:52" (1/1) ... [2020-10-19 22:22:52,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2edd82b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:52, skipping insertion in model container [2020-10-19 22:22:52,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:52" (1/1) ... [2020-10-19 22:22:52,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:22:52,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:22:52,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:22:52,501 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:22:52,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:22:52,539 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:22:52,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:52 WrapperNode [2020-10-19 22:22:52,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:22:52,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:22:52,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:22:52,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:22:52,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:52" (1/1) ... [2020-10-19 22:22:52,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:52" (1/1) ... [2020-10-19 22:22:52,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:22:52,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:22:52,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:22:52,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:22:52,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:52" (1/1) ... [2020-10-19 22:22:52,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:52" (1/1) ... [2020-10-19 22:22:52,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:52" (1/1) ... [2020-10-19 22:22:52,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:52" (1/1) ... [2020-10-19 22:22:52,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:52" (1/1) ... [2020-10-19 22:22:52,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:52" (1/1) ... [2020-10-19 22:22:52,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:52" (1/1) ... [2020-10-19 22:22:52,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:22:52,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:22:52,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:22:52,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:22:52,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:22:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:22:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:22:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:22:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:22:52,884 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:22:52,885 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-19 22:22:52,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:52 BoogieIcfgContainer [2020-10-19 22:22:52,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:22:52,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:22:52,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:22:52,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:22:52,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:22:52" (1/3) ... [2020-10-19 22:22:52,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736f441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:52, skipping insertion in model container [2020-10-19 22:22:52,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:52" (2/3) ... [2020-10-19 22:22:52,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736f441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:52, skipping insertion in model container [2020-10-19 22:22:52,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:52" (3/3) ... [2020-10-19 22:22:52,896 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2020-10-19 22:22:52,909 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:22:52,920 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:22:52,951 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:22:53,023 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:22:53,026 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:22:53,026 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:22:53,027 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:22:53,029 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:22:53,030 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:22:53,030 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:22:53,030 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:22:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-19 22:22:53,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-19 22:22:53,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:53,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-19 22:22:53,079 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:53,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:53,087 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-10-19 22:22:53,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:53,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182813449] [2020-10-19 22:22:53,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:22:53,214 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:22:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:22:53,236 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:22:53,262 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 22:22:53,263 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 22:22:53,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:22:53,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:22:53 BoogieIcfgContainer [2020-10-19 22:22:53,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:22:53,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:22:53,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:22:53,289 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:22:53,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:52" (3/4) ... [2020-10-19 22:22:53,294 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 22:22:53,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:22:53,298 INFO L168 Benchmark]: Toolchain (without parser) took 1261.71 ms. Allocated memory was 36.2 MB in the beginning and 45.6 MB in the end (delta: 9.4 MB). Free memory was 9.8 MB in the beginning and 11.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:53,299 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 36.2 MB. Free memory is still 15.1 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-19 22:22:53,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.13 ms. Allocated memory was 36.2 MB in the beginning and 44.0 MB in the end (delta: 7.9 MB). Free memory was 8.9 MB in the beginning and 27.0 MB in the end (delta: -18.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:53,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.91 ms. Allocated memory is still 44.0 MB. Free memory was 27.0 MB in the beginning and 25.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:53,302 INFO L168 Benchmark]: Boogie Preprocessor took 32.41 ms. Allocated memory is still 44.0 MB. Free memory was 25.5 MB in the beginning and 24.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:53,303 INFO L168 Benchmark]: RCFGBuilder took 270.16 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 24.3 MB in the beginning and 26.2 MB in the end (delta: -1.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:53,304 INFO L168 Benchmark]: TraceAbstraction took 400.18 ms. Allocated memory is still 45.6 MB. Free memory was 25.7 MB in the beginning and 12.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:53,305 INFO L168 Benchmark]: Witness Printer took 5.88 ms. Allocated memory is still 45.6 MB. Free memory was 12.0 MB in the beginning and 11.8 MB in the end (delta: 239.5 kB). Peak memory consumption was 239.5 kB. Max. memory is 14.3 GB. [2020-10-19 22:22:53,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 36.2 MB. Free memory is still 15.1 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 498.13 ms. Allocated memory was 36.2 MB in the beginning and 44.0 MB in the end (delta: 7.9 MB). Free memory was 8.9 MB in the beginning and 27.0 MB in the end (delta: -18.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 42.91 ms. Allocated memory is still 44.0 MB. Free memory was 27.0 MB in the beginning and 25.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 32.41 ms. Allocated memory is still 44.0 MB. Free memory was 25.5 MB in the beginning and 24.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 270.16 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 24.3 MB in the beginning and 26.2 MB in the end (delta: -1.9 MB). Peak memory consumption was 13.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 400.18 ms. Allocated memory is still 45.6 MB. Free memory was 25.7 MB in the beginning and 12.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. * Witness Printer took 5.88 ms. Allocated memory is still 45.6 MB. Free memory was 12.0 MB in the beginning and 11.8 MB in the end (delta: 239.5 kB). Peak memory consumption was 239.5 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 8. Possible FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 == 0xfa [L3] __assert_fail("0", "integerpromotion-3.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 22:22:55,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:22:55,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:22:55,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:22:55,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:22:55,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:22:55,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:22:55,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:22:55,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:22:55,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:22:55,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:22:55,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:22:55,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:22:55,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:22:55,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:22:55,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:22:55,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:22:55,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:22:55,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:22:55,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:22:55,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:22:55,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:22:55,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:22:55,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:22:55,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:22:55,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:22:55,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:22:55,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:22:55,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:22:55,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:22:55,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:22:55,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:22:55,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:22:55,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:22:55,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:22:55,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:22:55,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:22:55,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:22:55,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:22:55,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:22:55,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:22:55,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-19 22:22:55,797 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:22:55,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:22:55,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:22:55,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:22:55,799 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:22:55,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:22:55,800 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:22:55,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:22:55,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:22:55,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:22:55,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:22:55,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:22:55,801 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 22:22:55,801 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 22:22:55,802 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:22:55,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:22:55,802 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:22:55,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:22:55,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:22:55,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:22:55,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:22:55,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:22:55,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:22:55,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:22:55,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:22:55,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:22:55,805 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 22:22:55,805 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 22:22:55,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:22:55,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:22:55,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 22:22:55,806 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c45a2095b49f6777b86778952566dd983301d428 [2020-10-19 22:22:56,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:22:56,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:22:56,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:22:56,038 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:22:56,039 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:22:56,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-10-19 22:22:56,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f316cb0/bd1f49d4e5cb464485d2295237c323ab/FLAGf1192d7d9 [2020-10-19 22:22:56,542 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:22:56,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-10-19 22:22:56,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f316cb0/bd1f49d4e5cb464485d2295237c323ab/FLAGf1192d7d9 [2020-10-19 22:22:56,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09f316cb0/bd1f49d4e5cb464485d2295237c323ab [2020-10-19 22:22:56,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:22:56,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:22:56,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:22:56,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:22:56,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:22:56,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:56" (1/1) ... [2020-10-19 22:22:56,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2054864d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56, skipping insertion in model container [2020-10-19 22:22:56,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:56" (1/1) ... [2020-10-19 22:22:56,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:22:56,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:22:57,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:22:57,217 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:22:57,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:22:57,252 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:22:57,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:57 WrapperNode [2020-10-19 22:22:57,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:22:57,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:22:57,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:22:57,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:22:57,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:57" (1/1) ... [2020-10-19 22:22:57,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:57" (1/1) ... [2020-10-19 22:22:57,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:22:57,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:22:57,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:22:57,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:22:57,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:57" (1/1) ... [2020-10-19 22:22:57,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:57" (1/1) ... [2020-10-19 22:22:57,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:57" (1/1) ... [2020-10-19 22:22:57,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:57" (1/1) ... [2020-10-19 22:22:57,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:57" (1/1) ... [2020-10-19 22:22:57,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:57" (1/1) ... [2020-10-19 22:22:57,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:57" (1/1) ... [2020-10-19 22:22:57,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:22:57,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:22:57,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:22:57,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:22:57,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:22:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:22:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:22:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-19 22:22:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:22:57,588 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:22:57,588 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-19 22:22:57,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:57 BoogieIcfgContainer [2020-10-19 22:22:57,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:22:57,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:22:57,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:22:57,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:22:57,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:22:56" (1/3) ... [2020-10-19 22:22:57,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb4b4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:57, skipping insertion in model container [2020-10-19 22:22:57,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:57" (2/3) ... [2020-10-19 22:22:57,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb4b4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:57, skipping insertion in model container [2020-10-19 22:22:57,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:57" (3/3) ... [2020-10-19 22:22:57,599 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2020-10-19 22:22:57,611 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:22:57,618 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:22:57,633 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:22:57,659 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:22:57,659 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:22:57,659 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:22:57,659 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:22:57,660 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:22:57,660 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:22:57,660 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:22:57,660 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:22:57,675 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-19 22:22:57,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-19 22:22:57,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:57,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-19 22:22:57,683 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:57,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:57,689 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-10-19 22:22:57,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 22:22:57,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471845673] [2020-10-19 22:22:57,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-19 22:22:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:22:57,771 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:22:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:22:57,790 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:22:57,819 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-19 22:22:57,819 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 22:22:58,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 22:22:58,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:22:58 BoogieIcfgContainer [2020-10-19 22:22:58,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:22:58,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:22:58,057 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:22:58,057 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:22:58,058 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:57" (3/4) ... [2020-10-19 22:22:58,061 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-19 22:22:58,106 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:22:58,106 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:22:58,109 INFO L168 Benchmark]: Toolchain (without parser) took 1180.94 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 12.2 MB in the beginning and 20.4 MB in the end (delta: -8.2 MB). Peak memory consumption was 689.5 kB. Max. memory is 14.3 GB. [2020-10-19 22:22:58,113 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 34.1 MB. Free memory was 19.2 MB in the beginning and 19.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-19 22:22:58,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.62 ms. Allocated memory was 34.6 MB in the beginning and 41.9 MB in the end (delta: 7.3 MB). Free memory was 11.3 MB in the beginning and 25.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:58,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.91 ms. Allocated memory is still 41.9 MB. Free memory was 25.5 MB in the beginning and 23.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:58,120 INFO L168 Benchmark]: Boogie Preprocessor took 24.56 ms. Allocated memory is still 41.9 MB. Free memory was 23.9 MB in the beginning and 22.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:58,121 INFO L168 Benchmark]: RCFGBuilder took 271.37 ms. Allocated memory is still 41.9 MB. Free memory was 22.7 MB in the beginning and 21.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 11.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:58,124 INFO L168 Benchmark]: TraceAbstraction took 465.45 ms. Allocated memory was 41.9 MB in the beginning and 43.5 MB in the end (delta: 1.6 MB). Free memory was 21.0 MB in the beginning and 22.3 MB in the end (delta: -1.3 MB). Peak memory consumption was 258.9 kB. Max. memory is 14.3 GB. [2020-10-19 22:22:58,125 INFO L168 Benchmark]: Witness Printer took 49.61 ms. Allocated memory is still 43.5 MB. Free memory was 22.3 MB in the beginning and 20.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:58,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 34.1 MB. Free memory was 19.2 MB in the beginning and 19.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 319.62 ms. Allocated memory was 34.6 MB in the beginning and 41.9 MB in the end (delta: 7.3 MB). Free memory was 11.3 MB in the beginning and 25.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 39.91 ms. Allocated memory is still 41.9 MB. Free memory was 25.5 MB in the beginning and 23.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 24.56 ms. Allocated memory is still 41.9 MB. Free memory was 23.9 MB in the beginning and 22.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 271.37 ms. Allocated memory is still 41.9 MB. Free memory was 22.7 MB in the beginning and 21.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 11.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 465.45 ms. Allocated memory was 41.9 MB in the beginning and 43.5 MB in the end (delta: 1.6 MB). Free memory was 21.0 MB in the beginning and 22.3 MB in the end (delta: -1.3 MB). Peak memory consumption was 258.9 kB. Max. memory is 14.3 GB. * Witness Printer took 49.61 ms. Allocated memory is still 43.5 MB. Free memory was 22.3 MB in the beginning and 20.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 == 0xfa [L3] __assert_fail("0", "integerpromotion-3.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...