./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 ff03de63 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 f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 10:18:52,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 10:18:52,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 10:18:52,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 10:18:52,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 10:18:52,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 10:18:52,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 10:18:52,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 10:18:52,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 10:18:52,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 10:18:52,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 10:18:52,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 10:18:52,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 10:18:52,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 10:18:52,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 10:18:52,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 10:18:52,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 10:18:52,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 10:18:52,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 10:18:52,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 10:18:52,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 10:18:52,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 10:18:52,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 10:18:52,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 10:18:52,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 10:18:52,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 10:18:52,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 10:18:52,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 10:18:52,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 10:18:52,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 10:18:52,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 10:18:52,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 10:18:52,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 10:18:52,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 10:18:52,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 10:18:52,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 10:18:52,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 10:18:52,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 10:18:52,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 10:18:52,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 10:18:52,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 10:18:52,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 10:18:52,997 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 10:18:52,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 10:18:53,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 10:18:53,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 10:18:53,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 10:18:53,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 10:18:53,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 10:18:53,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 10:18:53,003 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 10:18:53,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 10:18:53,004 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 10:18:53,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 10:18:53,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 10:18:53,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 10:18:53,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 10:18:53,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 10:18:53,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 10:18:53,005 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 10:18:53,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 10:18:53,006 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 10:18:53,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 10:18:53,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 10:18:53,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 10:18:53,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 10:18:53,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:18:53,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 10:18:53,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 10:18:53,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 10:18:53,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 10:18:53,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 10:18:53,008 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 10:18:53,008 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 10:18:53,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 10:18:53,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 10:18:53,009 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2021-12-21 10:18:53,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 10:18:53,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 10:18:53,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 10:18:53,312 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 10:18:53,312 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 10:18:53,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-12-21 10:18:53,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97a7a7f3b/1db63e13e7f042258a419c07d22cd146/FLAGe4032b063 [2021-12-21 10:18:53,799 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 10:18:53,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-12-21 10:18:53,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97a7a7f3b/1db63e13e7f042258a419c07d22cd146/FLAGe4032b063 [2021-12-21 10:18:53,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97a7a7f3b/1db63e13e7f042258a419c07d22cd146 [2021-12-21 10:18:53,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 10:18:53,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 10:18:53,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 10:18:53,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 10:18:53,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 10:18:53,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:18:53" (1/1) ... [2021-12-21 10:18:53,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792f78e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:53, skipping insertion in model container [2021-12-21 10:18:53,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:18:53" (1/1) ... [2021-12-21 10:18:53,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 10:18:53,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 10:18:54,011 WARN L230 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] [2021-12-21 10:18:54,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:18:54,027 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 10:18:54,038 WARN L230 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] [2021-12-21 10:18:54,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:18:54,050 INFO L208 MainTranslator]: Completed translation [2021-12-21 10:18:54,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:54 WrapperNode [2021-12-21 10:18:54,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 10:18:54,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 10:18:54,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 10:18:54,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 10:18:54,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:54" (1/1) ... [2021-12-21 10:18:54,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:54" (1/1) ... [2021-12-21 10:18:54,077 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-12-21 10:18:54,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 10:18:54,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 10:18:54,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 10:18:54,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 10:18:54,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:54" (1/1) ... [2021-12-21 10:18:54,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:54" (1/1) ... [2021-12-21 10:18:54,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:54" (1/1) ... [2021-12-21 10:18:54,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:54" (1/1) ... [2021-12-21 10:18:54,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:54" (1/1) ... [2021-12-21 10:18:54,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:54" (1/1) ... [2021-12-21 10:18:54,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:54" (1/1) ... [2021-12-21 10:18:54,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 10:18:54,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 10:18:54,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 10:18:54,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 10:18:54,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:54" (1/1) ... [2021-12-21 10:18:54,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:18:54,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:18:54,131 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) [2021-12-21 10:18:54,137 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 [2021-12-21 10:18:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 10:18:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 10:18:54,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 10:18:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 10:18:54,218 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 10:18:54,219 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 10:18:54,316 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 10:18:54,321 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 10:18:54,321 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 10:18:54,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:18:54 BoogieIcfgContainer [2021-12-21 10:18:54,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 10:18:54,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 10:18:54,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 10:18:54,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 10:18:54,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:18:53" (1/3) ... [2021-12-21 10:18:54,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2ed28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:18:54, skipping insertion in model container [2021-12-21 10:18:54,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:54" (2/3) ... [2021-12-21 10:18:54,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2ed28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:18:54, skipping insertion in model container [2021-12-21 10:18:54,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:18:54" (3/3) ... [2021-12-21 10:18:54,335 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-12-21 10:18:54,340 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 10:18:54,340 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 10:18:54,389 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 10:18:54,398 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-21 10:18:54,399 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 10:18:54,410 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) [2021-12-21 10:18:54,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-12-21 10:18:54,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:18:54,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-12-21 10:18:54,417 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:18:54,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:18:54,424 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-12-21 10:18:54,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:18:54,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743050162] [2021-12-21 10:18:54,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:18:54,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:18:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 10:18:54,531 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 10:18:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 10:18:54,578 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 10:18:54,580 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 10:18:54,582 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 10:18:54,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 10:18:54,589 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-21 10:18:54,592 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 10:18:54,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:18:54 BoogieIcfgContainer [2021-12-21 10:18:54,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 10:18:54,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 10:18:54,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 10:18:54,614 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 10:18:54,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:18:54" (3/4) ... [2021-12-21 10:18:54,618 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 10:18:54,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 10:18:54,620 INFO L158 Benchmark]: Toolchain (without parser) took 787.85ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 57.5MB in the beginning and 74.1MB in the end (delta: -16.5MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-12-21 10:18:54,620 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 10:18:54,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.94ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 57.3MB in the beginning and 98.3MB in the end (delta: -41.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 10:18:54,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.76ms. Allocated memory is still 121.6MB. Free memory was 98.3MB in the beginning and 97.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 10:18:54,624 INFO L158 Benchmark]: Boogie Preprocessor took 19.24ms. Allocated memory is still 121.6MB. Free memory was 97.1MB in the beginning and 96.2MB in the end (delta: 882.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 10:18:54,628 INFO L158 Benchmark]: RCFGBuilder took 226.98ms. Allocated memory is still 121.6MB. Free memory was 96.2MB in the beginning and 87.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 10:18:54,628 INFO L158 Benchmark]: TraceAbstraction took 284.08ms. Allocated memory is still 121.6MB. Free memory was 86.6MB in the beginning and 74.5MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 10:18:54,630 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 121.6MB. Free memory was 74.5MB in the beginning and 74.1MB in the end (delta: 437.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 10:18:54,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.94ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 57.3MB in the beginning and 98.3MB in the end (delta: -41.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.76ms. Allocated memory is still 121.6MB. Free memory was 98.3MB in the beginning and 97.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.24ms. Allocated memory is still 121.6MB. Free memory was 97.1MB in the beginning and 96.2MB in the end (delta: 882.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 226.98ms. Allocated memory is still 121.6MB. Free memory was 96.2MB in the beginning and 87.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 284.08ms. Allocated memory is still 121.6MB. Free memory was 86.6MB in the beginning and 74.5MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 121.6MB. Free memory was 74.5MB in the beginning and 74.1MB in the end (delta: 437.4kB). 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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; VAL [port=90, result_8=250] [L9] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L14] reach_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s 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, 0.0s 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 [2021-12-21 10:18:54,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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 f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 10:18:56,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 10:18:56,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 10:18:56,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 10:18:56,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 10:18:56,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 10:18:56,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 10:18:56,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 10:18:56,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 10:18:56,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 10:18:56,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 10:18:56,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 10:18:56,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 10:18:56,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 10:18:56,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 10:18:56,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 10:18:56,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 10:18:56,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 10:18:56,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 10:18:56,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 10:18:56,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 10:18:56,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 10:18:56,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 10:18:56,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 10:18:56,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 10:18:56,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 10:18:56,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 10:18:56,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 10:18:56,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 10:18:56,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 10:18:56,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 10:18:56,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 10:18:56,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 10:18:56,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 10:18:56,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 10:18:56,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 10:18:56,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 10:18:56,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 10:18:56,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 10:18:56,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 10:18:56,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 10:18:56,787 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 10:18:56,824 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 10:18:56,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 10:18:56,825 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 10:18:56,825 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 10:18:56,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 10:18:56,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 10:18:56,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 10:18:56,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 10:18:56,828 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 10:18:56,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 10:18:56,829 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 10:18:56,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 10:18:56,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 10:18:56,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 10:18:56,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 10:18:56,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 10:18:56,831 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 10:18:56,831 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 10:18:56,831 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 10:18:56,831 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 10:18:56,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 10:18:56,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 10:18:56,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 10:18:56,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 10:18:56,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 10:18:56,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 10:18:56,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:18:56,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 10:18:56,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 10:18:56,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 10:18:56,839 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 10:18:56,840 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 10:18:56,840 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 10:18:56,840 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 10:18:56,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 10:18:56,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 10:18:56,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 10:18:56,841 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2021-12-21 10:18:57,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 10:18:57,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 10:18:57,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 10:18:57,180 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 10:18:57,180 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 10:18:57,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-12-21 10:18:57,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1406c4ab4/c9c059f6cb154509bcb8df001ead1e2a/FLAG75b1df1ef [2021-12-21 10:18:57,690 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 10:18:57,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-12-21 10:18:57,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1406c4ab4/c9c059f6cb154509bcb8df001ead1e2a/FLAG75b1df1ef [2021-12-21 10:18:58,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1406c4ab4/c9c059f6cb154509bcb8df001ead1e2a [2021-12-21 10:18:58,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 10:18:58,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 10:18:58,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 10:18:58,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 10:18:58,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 10:18:58,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:18:58" (1/1) ... [2021-12-21 10:18:58,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52cc160a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:58, skipping insertion in model container [2021-12-21 10:18:58,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:18:58" (1/1) ... [2021-12-21 10:18:58,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 10:18:58,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 10:18:58,265 WARN L230 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] [2021-12-21 10:18:58,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:18:58,279 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 10:18:58,295 WARN L230 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] [2021-12-21 10:18:58,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:18:58,309 INFO L208 MainTranslator]: Completed translation [2021-12-21 10:18:58,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:58 WrapperNode [2021-12-21 10:18:58,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 10:18:58,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 10:18:58,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 10:18:58,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 10:18:58,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:58" (1/1) ... [2021-12-21 10:18:58,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:58" (1/1) ... [2021-12-21 10:18:58,340 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-12-21 10:18:58,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 10:18:58,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 10:18:58,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 10:18:58,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 10:18:58,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:58" (1/1) ... [2021-12-21 10:18:58,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:58" (1/1) ... [2021-12-21 10:18:58,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:58" (1/1) ... [2021-12-21 10:18:58,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:58" (1/1) ... [2021-12-21 10:18:58,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:58" (1/1) ... [2021-12-21 10:18:58,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:58" (1/1) ... [2021-12-21 10:18:58,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:58" (1/1) ... [2021-12-21 10:18:58,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 10:18:58,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 10:18:58,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 10:18:58,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 10:18:58,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:58" (1/1) ... [2021-12-21 10:18:58,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:18:58,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:18:58,425 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) [2021-12-21 10:18:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 10:18:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 10:18:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 10:18:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 10:18:58,451 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 [2021-12-21 10:18:58,531 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 10:18:58,533 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 10:18:58,612 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 10:18:58,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 10:18:58,617 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 10:18:58,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:18:58 BoogieIcfgContainer [2021-12-21 10:18:58,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 10:18:58,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 10:18:58,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 10:18:58,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 10:18:58,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:18:58" (1/3) ... [2021-12-21 10:18:58,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198c7c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:18:58, skipping insertion in model container [2021-12-21 10:18:58,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:18:58" (2/3) ... [2021-12-21 10:18:58,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198c7c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:18:58, skipping insertion in model container [2021-12-21 10:18:58,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:18:58" (3/3) ... [2021-12-21 10:18:58,627 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-12-21 10:18:58,634 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 10:18:58,634 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 10:18:58,685 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 10:18:58,694 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-21 10:18:58,694 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 10:18:58,708 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) [2021-12-21 10:18:58,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-12-21 10:18:58,725 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:18:58,726 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-12-21 10:18:58,726 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:18:58,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:18:58,734 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-12-21 10:18:58,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 10:18:58,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784611036] [2021-12-21 10:18:58,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:18:58,747 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 10:18:58,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 10:18:58,753 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) [2021-12-21 10:18:58,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-21 10:18:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 10:18:58,834 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 10:18:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 10:18:58,857 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-21 10:18:58,859 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 10:18:58,860 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 10:18:58,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-21 10:18:59,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-21 10:18:59,075 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-21 10:18:59,077 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 10:18:59,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:18:59 BoogieIcfgContainer [2021-12-21 10:18:59,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 10:18:59,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 10:18:59,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 10:18:59,093 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 10:18:59,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:18:58" (3/4) ... [2021-12-21 10:18:59,095 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-21 10:18:59,118 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 10:18:59,118 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 10:18:59,120 INFO L158 Benchmark]: Toolchain (without parser) took 1003.60ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 24.4MB in the beginning and 35.7MB in the end (delta: -11.3MB). Peak memory consumption was 936.7kB. Max. memory is 16.1GB. [2021-12-21 10:18:59,120 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 48.2MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 10:18:59,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.22ms. Allocated memory is still 48.2MB. Free memory was 24.2MB in the beginning and 25.7MB in the end (delta: -1.5MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-12-21 10:18:59,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.57ms. Allocated memory is still 48.2MB. Free memory was 25.7MB in the beginning and 24.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 10:18:59,122 INFO L158 Benchmark]: Boogie Preprocessor took 49.72ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 24.4MB in the beginning and 42.6MB in the end (delta: -18.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 10:18:59,122 INFO L158 Benchmark]: RCFGBuilder took 227.31ms. Allocated memory is still 58.7MB. Free memory was 42.4MB in the beginning and 35.0MB in the end (delta: 7.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 10:18:59,123 INFO L158 Benchmark]: TraceAbstraction took 471.16ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 37.5MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 10:18:59,123 INFO L158 Benchmark]: Witness Printer took 25.83ms. Allocated memory is still 58.7MB. Free memory was 37.2MB in the beginning and 35.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 10:18:59,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 48.2MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.22ms. Allocated memory is still 48.2MB. Free memory was 24.2MB in the beginning and 25.7MB in the end (delta: -1.5MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.57ms. Allocated memory is still 48.2MB. Free memory was 25.7MB in the beginning and 24.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.72ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 24.4MB in the beginning and 42.6MB in the end (delta: -18.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 227.31ms. Allocated memory is still 58.7MB. Free memory was 42.4MB in the beginning and 35.0MB in the end (delta: 7.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * TraceAbstraction took 471.16ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 37.5MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 25.83ms. Allocated memory is still 58.7MB. Free memory was 37.2MB in the beginning and 35.7MB in the end (delta: 1.6MB). 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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; VAL [port=90, result_8=250] [L9] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L14] reach_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s 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, 0.0s 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! [2021-12-21 10:18:59,169 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE