./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 5fbdf5bf 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_1.5.800.v20200727-1323.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_1.5.800.v20200727-1323.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 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 03:07:11,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 03:07:11,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 03:07:11,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 03:07:11,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 03:07:11,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 03:07:11,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 03:07:11,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 03:07:11,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 03:07:11,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 03:07:11,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 03:07:11,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 03:07:11,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 03:07:11,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 03:07:11,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 03:07:11,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 03:07:11,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 03:07:11,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 03:07:11,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 03:07:11,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 03:07:11,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 03:07:11,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 03:07:11,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 03:07:11,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 03:07:11,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 03:07:11,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 03:07:11,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 03:07:11,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 03:07:11,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 03:07:11,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 03:07:11,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 03:07:11,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 03:07:11,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 03:07:11,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 03:07:11,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 03:07:11,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 03:07:11,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 03:07:11,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 03:07:11,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 03:07:11,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 03:07:11,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 03:07:11,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 03:07:11,921 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 03:07:11,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 03:07:11,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 03:07:11,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 03:07:11,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 03:07:11,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 03:07:11,925 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 03:07:11,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 03:07:11,926 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 03:07:11,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 03:07:11,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 03:07:11,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 03:07:11,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 03:07:11,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 03:07:11,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 03:07:11,927 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 03:07:11,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 03:07:11,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 03:07:11,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 03:07:11,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 03:07:11,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 03:07:11,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 03:07:11,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:07:11,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 03:07:11,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 03:07:11,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 03:07:11,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 03:07:11,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 03:07:11,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 03:07:11,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 03:07:11,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c45a2095b49f6777b86778952566dd983301d428 [2021-08-29 03:07:12,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 03:07:12,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 03:07:12,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 03:07:12,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 03:07:12,263 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 03:07:12,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-08-29 03:07:12,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10dd78f6b/83ce1f5a75a64773831bce102eb9d92b/FLAGa35b587eb [2021-08-29 03:07:12,731 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 03:07:12,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-08-29 03:07:12,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10dd78f6b/83ce1f5a75a64773831bce102eb9d92b/FLAGa35b587eb [2021-08-29 03:07:12,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10dd78f6b/83ce1f5a75a64773831bce102eb9d92b [2021-08-29 03:07:12,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 03:07:12,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 03:07:12,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 03:07:12,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 03:07:12,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 03:07:12,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:07:12" (1/1) ... [2021-08-29 03:07:12,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3beb2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:12, skipping insertion in model container [2021-08-29 03:07:12,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:07:12" (1/1) ... [2021-08-29 03:07:12,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 03:07:12,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 03:07:12,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-08-29 03:07:12,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:07:12,933 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 03:07:12,949 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-08-29 03:07:12,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:07:12,962 INFO L208 MainTranslator]: Completed translation [2021-08-29 03:07:12,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:12 WrapperNode [2021-08-29 03:07:12,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 03:07:12,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 03:07:12,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 03:07:12,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 03:07:12,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:12" (1/1) ... [2021-08-29 03:07:12,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:12" (1/1) ... [2021-08-29 03:07:12,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 03:07:12,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 03:07:12,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 03:07:12,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 03:07:13,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:12" (1/1) ... [2021-08-29 03:07:13,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:12" (1/1) ... [2021-08-29 03:07:13,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:12" (1/1) ... [2021-08-29 03:07:13,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:12" (1/1) ... [2021-08-29 03:07:13,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:12" (1/1) ... [2021-08-29 03:07:13,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:12" (1/1) ... [2021-08-29 03:07:13,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:12" (1/1) ... [2021-08-29 03:07:13,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 03:07:13,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 03:07:13,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 03:07:13,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 03:07:13,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:12" (1/1) ... [2021-08-29 03:07:13,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:07:13,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:07:13,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 03:07:13,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 03:07:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 03:07:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 03:07:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 03:07:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 03:07:13,239 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 03:07:13,240 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-29 03:07:13,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:07:13 BoogieIcfgContainer [2021-08-29 03:07:13,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 03:07:13,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 03:07:13,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 03:07:13,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 03:07:13,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:07:12" (1/3) ... [2021-08-29 03:07:13,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dac2102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:07:13, skipping insertion in model container [2021-08-29 03:07:13,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:12" (2/3) ... [2021-08-29 03:07:13,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dac2102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:07:13, skipping insertion in model container [2021-08-29 03:07:13,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:07:13" (3/3) ... [2021-08-29 03:07:13,252 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-08-29 03:07:13,258 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 03:07:13,258 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 03:07:13,308 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 03:07:13,316 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 03:07:13,317 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 03:07:13,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:07:13,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-08-29 03:07:13,336 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:07:13,337 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-08-29 03:07:13,338 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:07:13,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:07:13,346 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-08-29 03:07:13,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:07:13,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813448202] [2021-08-29 03:07:13,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:07:13,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:07:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 03:07:13,462 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 03:07:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 03:07:13,531 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 03:07:13,533 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 03:07:13,534 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 03:07:13,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 03:07:13,544 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 03:07:13,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:07:13 BoogieIcfgContainer [2021-08-29 03:07:13,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 03:07:13,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 03:07:13,581 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 03:07:13,581 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 03:07:13,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:07:13" (3/4) ... [2021-08-29 03:07:13,584 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-29 03:07:13,585 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 03:07:13,586 INFO L158 Benchmark]: Toolchain (without parser) took 825.62ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 44.0MB in the beginning and 62.3MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:07:13,587 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:07:13,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.60ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 34.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 03:07:13,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.72ms. Allocated memory is still 62.9MB. Free memory was 34.4MB in the beginning and 47.1MB in the end (delta: -12.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-29 03:07:13,591 INFO L158 Benchmark]: Boogie Preprocessor took 28.03ms. Allocated memory is still 62.9MB. Free memory was 47.1MB in the beginning and 46.1MB in the end (delta: 904.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 03:07:13,594 INFO L158 Benchmark]: RCFGBuilder took 213.68ms. Allocated memory is still 62.9MB. Free memory was 45.9MB in the beginning and 38.0MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-29 03:07:13,595 INFO L158 Benchmark]: TraceAbstraction took 334.40ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 37.6MB in the beginning and 62.7MB in the end (delta: -25.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-08-29 03:07:13,596 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 81.8MB. Free memory was 62.7MB in the beginning and 62.3MB in the end (delta: 462.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:07:13,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.60ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 34.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.72ms. Allocated memory is still 62.9MB. Free memory was 34.4MB in the beginning and 47.1MB in the end (delta: -12.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.03ms. Allocated memory is still 62.9MB. Free memory was 47.1MB in the beginning and 46.1MB in the end (delta: 904.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 213.68ms. Allocated memory is still 62.9MB. Free memory was 45.9MB in the beginning and 38.0MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 334.40ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 37.6MB in the beginning and 62.7MB in the end (delta: -25.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 81.8MB. Free memory was 62.7MB in the beginning and 62.3MB in the end (delta: 462.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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 [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 237.03ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 8.29ms, AutomataDifference: 0.00ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 10.93ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.03ms SsaConstructionTime, 44.05ms SatisfiabilityAnalysisTime, 0.00ms 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 [2021-08-29 03:07:13,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 03:07:15,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 03:07:15,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 03:07:15,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 03:07:15,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 03:07:15,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 03:07:15,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 03:07:15,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 03:07:15,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 03:07:15,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 03:07:15,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 03:07:15,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 03:07:15,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 03:07:15,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 03:07:15,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 03:07:15,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 03:07:15,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 03:07:15,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 03:07:15,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 03:07:15,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 03:07:15,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 03:07:15,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 03:07:15,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 03:07:15,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 03:07:15,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 03:07:15,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 03:07:15,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 03:07:15,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 03:07:15,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 03:07:15,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 03:07:15,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 03:07:15,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 03:07:15,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 03:07:15,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 03:07:15,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 03:07:15,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 03:07:15,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 03:07:15,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 03:07:15,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 03:07:15,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 03:07:15,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 03:07:15,554 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-29 03:07:15,589 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 03:07:15,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 03:07:15,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 03:07:15,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 03:07:15,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 03:07:15,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 03:07:15,593 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 03:07:15,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 03:07:15,594 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 03:07:15,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 03:07:15,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 03:07:15,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 03:07:15,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 03:07:15,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 03:07:15,595 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-29 03:07:15,595 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-29 03:07:15,596 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 03:07:15,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 03:07:15,596 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 03:07:15,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 03:07:15,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 03:07:15,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 03:07:15,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 03:07:15,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:07:15,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 03:07:15,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 03:07:15,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 03:07:15,609 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-29 03:07:15,609 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-29 03:07:15,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 03:07:15,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 03:07:15,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-29 03:07:15,610 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c45a2095b49f6777b86778952566dd983301d428 [2021-08-29 03:07:15,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 03:07:15,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 03:07:15,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 03:07:15,934 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 03:07:15,934 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 03:07:15,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-08-29 03:07:16,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a8a16602/ac3c4a3198d8479994cd12ea4e549b94/FLAG6e34ad101 [2021-08-29 03:07:16,438 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 03:07:16,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-08-29 03:07:16,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a8a16602/ac3c4a3198d8479994cd12ea4e549b94/FLAG6e34ad101 [2021-08-29 03:07:16,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a8a16602/ac3c4a3198d8479994cd12ea4e549b94 [2021-08-29 03:07:16,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 03:07:16,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 03:07:16,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 03:07:16,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 03:07:16,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 03:07:16,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:07:16" (1/1) ... [2021-08-29 03:07:16,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16544531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:16, skipping insertion in model container [2021-08-29 03:07:16,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:07:16" (1/1) ... [2021-08-29 03:07:16,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 03:07:16,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 03:07:16,600 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-08-29 03:07:16,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:07:16,621 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 03:07:16,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-08-29 03:07:16,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:07:16,674 INFO L208 MainTranslator]: Completed translation [2021-08-29 03:07:16,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:16 WrapperNode [2021-08-29 03:07:16,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 03:07:16,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 03:07:16,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 03:07:16,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 03:07:16,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:16" (1/1) ... [2021-08-29 03:07:16,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:16" (1/1) ... [2021-08-29 03:07:16,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 03:07:16,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 03:07:16,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 03:07:16,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 03:07:16,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:16" (1/1) ... [2021-08-29 03:07:16,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:16" (1/1) ... [2021-08-29 03:07:16,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:16" (1/1) ... [2021-08-29 03:07:16,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:16" (1/1) ... [2021-08-29 03:07:16,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:16" (1/1) ... [2021-08-29 03:07:16,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:16" (1/1) ... [2021-08-29 03:07:16,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:16" (1/1) ... [2021-08-29 03:07:16,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 03:07:16,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 03:07:16,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 03:07:16,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 03:07:16,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:16" (1/1) ... [2021-08-29 03:07:16,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:07:16,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:07:16,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 03:07:16,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 03:07:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 03:07:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 03:07:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-29 03:07:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 03:07:16,950 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 03:07:16,950 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-29 03:07:16,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:07:16 BoogieIcfgContainer [2021-08-29 03:07:16,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 03:07:16,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 03:07:16,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 03:07:16,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 03:07:16,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:07:16" (1/3) ... [2021-08-29 03:07:16,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0bf486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:07:16, skipping insertion in model container [2021-08-29 03:07:16,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:07:16" (2/3) ... [2021-08-29 03:07:16,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0bf486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:07:16, skipping insertion in model container [2021-08-29 03:07:16,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:07:16" (3/3) ... [2021-08-29 03:07:16,960 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-08-29 03:07:16,964 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 03:07:16,965 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 03:07:17,014 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 03:07:17,024 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 03:07:17,024 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 03:07:17,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:07:17,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-08-29 03:07:17,054 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:07:17,055 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-08-29 03:07:17,056 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:07:17,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:07:17,062 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-08-29 03:07:17,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 03:07:17,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802509824] [2021-08-29 03:07:17,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:07:17,073 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 03:07:17,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 03:07:17,076 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 03:07:17,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-29 03:07:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 03:07:17,162 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 03:07:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 03:07:17,227 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-29 03:07:17,229 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 03:07:17,230 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 03:07:17,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-29 03:07:17,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 03:07:17,459 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 03:07:17,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:07:17 BoogieIcfgContainer [2021-08-29 03:07:17,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 03:07:17,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 03:07:17,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 03:07:17,479 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 03:07:17,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:07:16" (3/4) ... [2021-08-29 03:07:17,482 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-29 03:07:17,515 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 03:07:17,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 03:07:17,517 INFO L158 Benchmark]: Toolchain (without parser) took 1056.89ms. Allocated memory is still 65.0MB. Free memory was 45.1MB in the beginning and 42.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2021-08-29 03:07:17,517 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 46.3MB in the beginning and 46.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:07:17,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.41ms. Allocated memory is still 65.0MB. Free memory was 45.0MB in the beginning and 47.8MB in the end (delta: -2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 03:07:17,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.26ms. Allocated memory is still 65.0MB. Free memory was 47.8MB in the beginning and 46.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:07:17,521 INFO L158 Benchmark]: Boogie Preprocessor took 27.20ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 45.5MB in the end (delta: 748.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:07:17,521 INFO L158 Benchmark]: RCFGBuilder took 219.82ms. Allocated memory is still 65.0MB. Free memory was 45.2MB in the beginning and 37.1MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 03:07:17,523 INFO L158 Benchmark]: TraceAbstraction took 522.55ms. Allocated memory is still 65.0MB. Free memory was 36.6MB in the beginning and 44.5MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:07:17,524 INFO L158 Benchmark]: Witness Printer took 36.71ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 42.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 03:07:17,526 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 46.3MB in the beginning and 46.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.41ms. Allocated memory is still 65.0MB. Free memory was 45.0MB in the beginning and 47.8MB in the end (delta: -2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.26ms. Allocated memory is still 65.0MB. Free memory was 47.8MB in the beginning and 46.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.20ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 45.5MB in the end (delta: 748.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 219.82ms. Allocated memory is still 65.0MB. Free memory was 45.2MB in the beginning and 37.1MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 522.55ms. Allocated memory is still 65.0MB. Free memory was 36.6MB in the beginning and 44.5MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 36.71ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 42.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_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 [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 444.65ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 21.10ms, AutomataDifference: 0.00ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 8.87ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.34ms SsaConstructionTime, 25.64ms SatisfiabilityAnalysisTime, 0.00ms 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! [2021-08-29 03:07:17,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...