./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 54858612 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 0.2.0-5485861 [2020-10-25 19:37:00,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:37:00,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:37:01,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:37:01,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:37:01,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:37:01,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:37:01,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:37:01,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:37:01,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:37:01,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:37:01,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:37:01,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:37:01,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:37:01,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:37:01,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:37:01,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:37:01,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:37:01,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:37:01,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:37:01,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:37:01,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:37:01,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:37:01,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:37:01,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:37:01,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:37:01,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:37:01,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:37:01,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:37:01,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:37:01,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:37:01,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:37:01,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:37:01,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:37:01,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:37:01,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:37:01,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:37:01,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:37:01,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:37:01,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:37:01,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:37:01,087 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:37:01,141 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:37:01,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:37:01,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:37:01,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:37:01,147 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:37:01,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:37:01,147 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:37:01,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:37:01,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:37:01,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:37:01,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:37:01,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:37:01,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:37:01,150 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:37:01,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:37:01,151 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:37:01,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:37:01,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:37:01,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:37:01,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:37:01,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:37:01,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:37:01,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:37:01,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:37:01,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:37:01,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:37:01,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:37:01,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:37:01,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:37:01,155 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c45a2095b49f6777b86778952566dd983301d428 [2020-10-25 19:37:01,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:37:01,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:37:01,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:37:01,608 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:37:01,609 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:37:01,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-10-25 19:37:01,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c30c7384f/5e3d4d89d55d465b8df75182304ca147/FLAG9dee224a8 [2020-10-25 19:37:02,370 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:37:02,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-10-25 19:37:02,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c30c7384f/5e3d4d89d55d465b8df75182304ca147/FLAG9dee224a8 [2020-10-25 19:37:02,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c30c7384f/5e3d4d89d55d465b8df75182304ca147 [2020-10-25 19:37:02,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:37:02,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:37:02,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:37:02,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:37:02,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:37:02,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:37:02" (1/1) ... [2020-10-25 19:37:02,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b887ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:02, skipping insertion in model container [2020-10-25 19:37:02,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:37:02" (1/1) ... [2020-10-25 19:37:02,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:37:02,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:37:03,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:37:03,092 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:37:03,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:37:03,131 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:37:03,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:03 WrapperNode [2020-10-25 19:37:03,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:37:03,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:37:03,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:37:03,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:37:03,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:03" (1/1) ... [2020-10-25 19:37:03,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:03" (1/1) ... [2020-10-25 19:37:03,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:37:03,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:37:03,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:37:03,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:37:03,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:03" (1/1) ... [2020-10-25 19:37:03,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:03" (1/1) ... [2020-10-25 19:37:03,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:03" (1/1) ... [2020-10-25 19:37:03,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:03" (1/1) ... [2020-10-25 19:37:03,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:03" (1/1) ... [2020-10-25 19:37:03,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:03" (1/1) ... [2020-10-25 19:37:03,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:03" (1/1) ... [2020-10-25 19:37:03,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:37:03,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:37:03,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:37:03,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:37:03,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:37:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:37:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:37:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:37:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:37:03,574 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:37:03,574 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-25 19:37:03,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:03 BoogieIcfgContainer [2020-10-25 19:37:03,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:37:03,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:37:03,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:37:03,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:37:03,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:37:02" (1/3) ... [2020-10-25 19:37:03,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b6677e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:37:03, skipping insertion in model container [2020-10-25 19:37:03,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:03" (2/3) ... [2020-10-25 19:37:03,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b6677e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:37:03, skipping insertion in model container [2020-10-25 19:37:03,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:03" (3/3) ... [2020-10-25 19:37:03,597 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2020-10-25 19:37:03,628 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:37:03,636 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:37:03,666 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:37:03,729 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:37:03,729 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:37:03,729 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:37:03,730 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:37:03,730 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:37:03,730 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:37:03,730 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:37:03,733 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:37:03,749 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-25 19:37:03,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-25 19:37:03,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:37:03,757 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-25 19:37:03,758 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:37:03,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:37:03,765 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-10-25 19:37:03,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:37:03,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694493427] [2020-10-25 19:37:03,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:37:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 19:37:03,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 19:37:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 19:37:03,931 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 19:37:03,953 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 19:37:03,954 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 19:37:03,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:37:03,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:37:03 BoogieIcfgContainer [2020-10-25 19:37:03,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:37:03,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:37:03,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:37:03,987 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:37:03,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:03" (3/4) ... [2020-10-25 19:37:03,992 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 19:37:03,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:37:03,997 INFO L168 Benchmark]: Toolchain (without parser) took 1236.82 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 18.3 MB in the beginning and 31.6 MB in the end (delta: -13.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:03,999 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 41.9 MB. Free memory is still 19.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:04,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.42 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 17.6 MB in the beginning and 28.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:04,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.28 ms. Allocated memory is still 52.4 MB. Free memory was 28.3 MB in the beginning and 27.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:04,007 INFO L168 Benchmark]: Boogie Preprocessor took 36.47 ms. Allocated memory is still 52.4 MB. Free memory was 27.0 MB in the beginning and 26.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:04,008 INFO L168 Benchmark]: RCFGBuilder took 362.12 ms. Allocated memory is still 52.4 MB. Free memory was 26.0 MB in the beginning and 30.1 MB in the end (delta: -4.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:04,009 INFO L168 Benchmark]: TraceAbstraction took 403.00 ms. Allocated memory is still 52.4 MB. Free memory was 29.6 MB in the beginning and 32.1 MB in the end (delta: -2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:04,010 INFO L168 Benchmark]: Witness Printer took 6.25 ms. Allocated memory is still 52.4 MB. Free memory was 32.1 MB in the beginning and 31.6 MB in the end (delta: 445.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:04,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 41.9 MB. Free memory is still 19.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 369.42 ms. Allocated memory was 41.9 MB in the beginning and 52.4 MB in the end (delta: 10.5 MB). Free memory was 17.6 MB in the beginning and 28.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.28 ms. Allocated memory is still 52.4 MB. Free memory was 28.3 MB in the beginning and 27.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.47 ms. Allocated memory is still 52.4 MB. Free memory was 27.0 MB in the beginning and 26.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 362.12 ms. Allocated memory is still 52.4 MB. Free memory was 26.0 MB in the beginning and 30.1 MB in the end (delta: -4.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 403.00 ms. Allocated memory is still 52.4 MB. Free memory was 29.6 MB in the beginning and 32.1 MB in the end (delta: -2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.25 ms. Allocated memory is still 52.4 MB. Free memory was 32.1 MB in the beginning and 31.6 MB in the end (delta: 445.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 8. Possible FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 == 0xfa [L3] __assert_fail("0", "integerpromotion-3.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-25 19:37:06,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:37:06,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:37:06,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:37:06,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:37:06,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:37:06,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:37:06,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:37:06,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:37:06,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:37:06,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:37:06,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:37:06,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:37:06,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:37:06,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:37:06,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:37:06,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:37:06,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:37:06,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:37:06,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:37:06,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:37:06,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:37:06,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:37:06,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:37:06,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:37:06,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:37:06,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:37:06,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:37:06,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:37:06,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:37:06,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:37:06,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:37:06,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:37:06,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:37:06,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:37:06,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:37:06,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:37:06,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:37:06,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:37:06,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:37:06,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:37:06,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 19:37:06,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:37:06,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:37:06,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:37:06,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:37:06,859 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:37:06,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:37:06,860 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:37:06,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:37:06,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:37:06,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:37:06,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:37:06,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:37:06,863 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 19:37:06,864 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 19:37:06,864 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:37:06,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:37:06,864 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:37:06,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:37:06,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:37:06,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:37:06,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:37:06,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:37:06,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:37:06,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:37:06,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:37:06,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:37:06,867 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 19:37:06,868 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 19:37:06,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:37:06,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:37:06,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 19:37:06,869 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c45a2095b49f6777b86778952566dd983301d428 [2020-10-25 19:37:07,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:37:07,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:37:07,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:37:07,364 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:37:07,365 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:37:07,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-10-25 19:37:07,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc693854c/dc1e3b9d14ce4838b368c6a943c1a2e8/FLAGd6871f391 [2020-10-25 19:37:08,149 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:37:08,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2020-10-25 19:37:08,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc693854c/dc1e3b9d14ce4838b368c6a943c1a2e8/FLAGd6871f391 [2020-10-25 19:37:08,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc693854c/dc1e3b9d14ce4838b368c6a943c1a2e8 [2020-10-25 19:37:08,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:37:08,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:37:08,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:37:08,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:37:08,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:37:08,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:37:08" (1/1) ... [2020-10-25 19:37:08,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@525125b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:08, skipping insertion in model container [2020-10-25 19:37:08,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:37:08" (1/1) ... [2020-10-25 19:37:08,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:37:08,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:37:08,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:37:08,788 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:37:08,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:37:08,823 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:37:08,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:08 WrapperNode [2020-10-25 19:37:08,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:37:08,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:37:08,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:37:08,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:37:08,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:08" (1/1) ... [2020-10-25 19:37:08,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:08" (1/1) ... [2020-10-25 19:37:08,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:37:08,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:37:08,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:37:08,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:37:08,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:08" (1/1) ... [2020-10-25 19:37:08,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:08" (1/1) ... [2020-10-25 19:37:08,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:08" (1/1) ... [2020-10-25 19:37:08,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:08" (1/1) ... [2020-10-25 19:37:08,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:08" (1/1) ... [2020-10-25 19:37:08,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:08" (1/1) ... [2020-10-25 19:37:08,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:08" (1/1) ... [2020-10-25 19:37:08,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:37:08,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:37:08,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:37:08,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:37:08,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:37:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:37:08,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:37:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 19:37:08,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:37:09,218 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:37:09,218 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-25 19:37:09,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:09 BoogieIcfgContainer [2020-10-25 19:37:09,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:37:09,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:37:09,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:37:09,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:37:09,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:37:08" (1/3) ... [2020-10-25 19:37:09,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e7f971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:37:09, skipping insertion in model container [2020-10-25 19:37:09,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:08" (2/3) ... [2020-10-25 19:37:09,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e7f971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:37:09, skipping insertion in model container [2020-10-25 19:37:09,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:09" (3/3) ... [2020-10-25 19:37:09,230 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2020-10-25 19:37:09,243 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:37:09,248 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:37:09,270 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:37:09,304 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:37:09,304 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:37:09,304 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:37:09,305 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:37:09,305 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:37:09,305 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:37:09,305 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:37:09,306 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:37:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-25 19:37:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-25 19:37:09,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:37:09,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-25 19:37:09,333 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:37:09,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:37:09,341 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-10-25 19:37:09,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 19:37:09,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560566487] [2020-10-25 19:37:09,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-25 19:37:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 19:37:09,472 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 19:37:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 19:37:09,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 19:37:09,531 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-25 19:37:09,532 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 19:37:09,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 19:37:09,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:37:09 BoogieIcfgContainer [2020-10-25 19:37:09,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:37:09,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:37:09,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:37:09,776 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:37:09,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:09" (3/4) ... [2020-10-25 19:37:09,780 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-25 19:37:09,822 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:37:09,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:37:09,826 INFO L168 Benchmark]: Toolchain (without parser) took 1300.02 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.3 MB in the beginning and 21.6 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:09,827 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 41.9 MB. Free memory was 24.8 MB in the beginning and 24.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:09,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.70 ms. Allocated memory is still 41.9 MB. Free memory was 18.6 MB in the beginning and 18.6 MB in the end (delta: 20.8 kB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:09,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.75 ms. Allocated memory is still 41.9 MB. Free memory was 18.6 MB in the beginning and 17.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:09,830 INFO L168 Benchmark]: Boogie Preprocessor took 29.77 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 17.3 MB in the beginning and 34.6 MB in the end (delta: -17.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:09,831 INFO L168 Benchmark]: RCFGBuilder took 325.42 ms. Allocated memory is still 50.3 MB. Free memory was 34.4 MB in the beginning and 24.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:09,832 INFO L168 Benchmark]: TraceAbstraction took 553.10 ms. Allocated memory is still 50.3 MB. Free memory was 24.3 MB in the beginning and 23.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 798.2 kB. Max. memory is 16.1 GB. [2020-10-25 19:37:09,832 INFO L168 Benchmark]: Witness Printer took 46.85 ms. Allocated memory is still 50.3 MB. Free memory was 23.2 MB in the beginning and 21.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:09,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 41.9 MB. Free memory was 24.8 MB in the beginning and 24.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 292.70 ms. Allocated memory is still 41.9 MB. Free memory was 18.6 MB in the beginning and 18.6 MB in the end (delta: 20.8 kB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.75 ms. Allocated memory is still 41.9 MB. Free memory was 18.6 MB in the beginning and 17.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.77 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 17.3 MB in the beginning and 34.6 MB in the end (delta: -17.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 325.42 ms. Allocated memory is still 50.3 MB. Free memory was 34.4 MB in the beginning and 24.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 553.10 ms. Allocated memory is still 50.3 MB. Free memory was 24.3 MB in the beginning and 23.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 798.2 kB. Max. memory is 16.1 GB. * Witness Printer took 46.85 ms. Allocated memory is still 50.3 MB. Free memory was 23.2 MB in the beginning and 21.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 == 0xfa [L3] __assert_fail("0", "integerpromotion-3.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...