./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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-2.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 15c59cd64cbdab762f2e01ef0d03122497382232 .................................................................................................................................................................................................................................. 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-2.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 15c59cd64cbdab762f2e01ef0d03122497382232 ................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 19:37:00,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:37:00,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:37:00,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:37:00,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:37:00,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:37:00,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:37:00,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:37:00,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:37:00,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:37:00,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:37:00,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:37:00,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:37:00,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:37:00,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:37:00,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:37:00,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:37:00,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:37:00,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:37:00,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:37:00,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:37:00,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:37:00,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:37:00,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:37:00,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:37:00,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:37:00,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:37:00,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:37:00,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:37:00,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:37:00,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:37:00,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:37:00,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:37:00,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:37:00,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:37:00,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:37:00,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:37:00,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:37:00,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:37:00,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:37:00,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:37:00,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:37:00,279 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:37:00,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:37:00,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:37:00,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:37:00,281 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:37:00,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:37:00,282 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:37:00,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:37:00,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:37:00,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:37:00,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:37:00,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:37:00,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:37:00,283 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:37:00,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:37:00,283 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:37:00,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:37:00,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:37:00,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:37:00,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:37:00,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:37:00,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:37:00,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:37:00,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:37:00,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:37:00,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:37:00,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:37:00,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:37:00,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:37:00,286 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15c59cd64cbdab762f2e01ef0d03122497382232 [2020-10-25 19:37:00,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:37:00,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:37:00,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:37:00,709 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:37:00,711 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:37:00,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2020-10-25 19:37:00,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc8dbf3d/b9d1542bdcd940eebddb636d1a07c598/FLAG2c1910faa [2020-10-25 19:37:01,335 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:37:01,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2020-10-25 19:37:01,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc8dbf3d/b9d1542bdcd940eebddb636d1a07c598/FLAG2c1910faa [2020-10-25 19:37:01,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffc8dbf3d/b9d1542bdcd940eebddb636d1a07c598 [2020-10-25 19:37:01,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:37:01,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:37:01,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:37:01,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:37:01,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:37:01,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:37:01" (1/1) ... [2020-10-25 19:37:01,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc4f41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:01, skipping insertion in model container [2020-10-25 19:37:01,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:37:01" (1/1) ... [2020-10-25 19:37:01,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:37:01,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:37:01,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:37:01,981 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:37:01,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:37:02,013 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:37:02,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:02 WrapperNode [2020-10-25 19:37:02,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:37:02,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:37:02,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:37:02,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:37:02,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:02" (1/1) ... [2020-10-25 19:37:02,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:02" (1/1) ... [2020-10-25 19:37:02,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:37:02,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:37:02,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:37:02,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:37:02,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:02" (1/1) ... [2020-10-25 19:37:02,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:02" (1/1) ... [2020-10-25 19:37:02,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:02" (1/1) ... [2020-10-25 19:37:02,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:02" (1/1) ... [2020-10-25 19:37:02,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:02" (1/1) ... [2020-10-25 19:37:02,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:02" (1/1) ... [2020-10-25 19:37:02,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:02" (1/1) ... [2020-10-25 19:37:02,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:37:02,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:37:02,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:37:02,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:37:02,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:02" (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 19:37:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:37:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:37:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:37:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:37:02,391 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:37:02,391 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-25 19:37:02,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:02 BoogieIcfgContainer [2020-10-25 19:37:02,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:37:02,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:37:02,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:37:02,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:37:02,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:37:01" (1/3) ... [2020-10-25 19:37:02,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68df053a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:37:02, skipping insertion in model container [2020-10-25 19:37:02,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:02" (2/3) ... [2020-10-25 19:37:02,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68df053a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:37:02, skipping insertion in model container [2020-10-25 19:37:02,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:02" (3/3) ... [2020-10-25 19:37:02,402 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2020-10-25 19:37:02,416 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:37:02,422 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:37:02,441 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:37:02,472 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:37:02,472 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:37:02,472 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:37:02,473 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:37:02,473 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:37:02,473 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:37:02,473 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:37:02,473 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:37:02,494 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-25 19:37:02,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-25 19:37:02,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:37:02,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-25 19:37:02,510 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:37:02,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:37:02,527 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-10-25 19:37:02,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:37:02,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14064898] [2020-10-25 19:37:02,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:37:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 19:37:02,683 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 19:37:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 19:37:02,707 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 19:37:02,733 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 19:37:02,734 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 19:37:02,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:37:02,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:37:02 BoogieIcfgContainer [2020-10-25 19:37:02,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:37:02,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:37:02,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:37:02,761 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:37:02,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:02" (3/4) ... [2020-10-25 19:37:02,766 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 19:37:02,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:37:02,769 INFO L168 Benchmark]: Toolchain (without parser) took 1056.73 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 24.1 MB in the beginning and 35.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 582.3 kB. Max. memory is 16.1 GB. [2020-10-25 19:37:02,770 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 46.1 MB. Free memory was 31.5 MB in the beginning and 31.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:02,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.84 ms. Allocated memory is still 46.1 MB. Free memory was 23.4 MB in the beginning and 25.6 MB in the end (delta: -2.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:02,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.35 ms. Allocated memory is still 46.1 MB. Free memory was 25.6 MB in the beginning and 24.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:02,774 INFO L168 Benchmark]: Boogie Preprocessor took 21.46 ms. Allocated memory is still 46.1 MB. Free memory was 24.3 MB in the beginning and 23.4 MB in the end (delta: 877.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:02,774 INFO L168 Benchmark]: RCFGBuilder took 318.19 ms. Allocated memory is still 46.1 MB. Free memory was 23.2 MB in the beginning and 25.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:02,776 INFO L168 Benchmark]: TraceAbstraction took 364.52 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 24.9 MB in the beginning and 36.0 MB in the end (delta: -11.1 MB). Peak memory consumption was 289.3 kB. Max. memory is 16.1 GB. [2020-10-25 19:37:02,777 INFO L168 Benchmark]: Witness Printer took 5.71 ms. Allocated memory is still 56.6 MB. Free memory was 36.0 MB in the beginning and 35.7 MB in the end (delta: 278.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:02,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 46.1 MB. Free memory was 31.5 MB in the beginning and 31.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 296.84 ms. Allocated memory is still 46.1 MB. Free memory was 23.4 MB in the beginning and 25.6 MB in the end (delta: -2.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.35 ms. Allocated memory is still 46.1 MB. Free memory was 25.6 MB in the beginning and 24.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.46 ms. Allocated memory is still 46.1 MB. Free memory was 24.3 MB in the beginning and 23.4 MB in the end (delta: 877.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 318.19 ms. Allocated memory is still 46.1 MB. Free memory was 23.2 MB in the beginning and 25.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 364.52 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 24.9 MB in the beginning and 36.0 MB in the end (delta: -11.1 MB). Peak memory consumption was 289.3 kB. Max. memory is 16.1 GB. * Witness Printer took 5.71 ms. Allocated memory is still 56.6 MB. Free memory was 36.0 MB in the beginning and 35.7 MB in the end (delta: 278.2 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-2.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 19:37:05,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:37:05,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:37:05,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:37:05,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:37:05,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:37:05,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:37:05,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:37:05,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:37:05,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:37:05,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:37:05,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:37:05,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:37:05,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:37:05,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:37:05,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:37:05,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:37:05,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:37:05,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:37:05,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:37:05,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:37:05,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:37:05,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:37:05,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:37:05,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:37:05,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:37:05,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:37:05,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:37:05,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:37:05,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:37:05,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:37:05,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:37:05,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:37:05,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:37:05,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:37:05,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:37:05,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:37:05,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:37:05,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:37:05,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:37:05,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:37:05,557 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 19:37:05,609 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:37:05,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:37:05,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:37:05,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:37:05,614 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:37:05,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:37:05,615 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:37:05,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:37:05,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:37:05,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:37:05,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:37:05,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:37:05,617 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 19:37:05,617 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 19:37:05,618 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:37:05,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:37:05,618 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:37:05,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:37:05,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:37:05,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:37:05,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:37:05,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:37:05,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:37:05,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:37:05,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:37:05,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:37:05,621 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 19:37:05,621 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 19:37:05,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:37:05,621 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:37:05,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 19:37:05,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15c59cd64cbdab762f2e01ef0d03122497382232 [2020-10-25 19:37:06,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:37:06,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:37:06,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:37:06,114 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:37:06,115 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:37:06,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2020-10-25 19:37:06,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac2b58f18/6dc4d3b2cce94462b94d7aac7fc66b9b/FLAG2247790c4 [2020-10-25 19:37:06,756 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:37:06,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2020-10-25 19:37:06,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac2b58f18/6dc4d3b2cce94462b94d7aac7fc66b9b/FLAG2247790c4 [2020-10-25 19:37:07,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac2b58f18/6dc4d3b2cce94462b94d7aac7fc66b9b [2020-10-25 19:37:07,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:37:07,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:37:07,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:37:07,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:37:07,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:37:07,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:37:07" (1/1) ... [2020-10-25 19:37:07,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790e3366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:07, skipping insertion in model container [2020-10-25 19:37:07,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:37:07" (1/1) ... [2020-10-25 19:37:07,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:37:07,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:37:07,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:37:07,425 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:37:07,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:37:07,457 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:37:07,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:07 WrapperNode [2020-10-25 19:37:07,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:37:07,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:37:07,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:37:07,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:37:07,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:07" (1/1) ... [2020-10-25 19:37:07,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:07" (1/1) ... [2020-10-25 19:37:07,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:37:07,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:37:07,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:37:07,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:37:07,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:07" (1/1) ... [2020-10-25 19:37:07,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:07" (1/1) ... [2020-10-25 19:37:07,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:07" (1/1) ... [2020-10-25 19:37:07,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:07" (1/1) ... [2020-10-25 19:37:07,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:07" (1/1) ... [2020-10-25 19:37:07,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:07" (1/1) ... [2020-10-25 19:37:07,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:07" (1/1) ... [2020-10-25 19:37:07,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:37:07,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:37:07,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:37:07,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:37:07,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:07" (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 19:37:07,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:37:07,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:37:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 19:37:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:37:07,794 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:37:07,794 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-25 19:37:07,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:07 BoogieIcfgContainer [2020-10-25 19:37:07,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:37:07,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:37:07,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:37:07,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:37:07,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:37:07" (1/3) ... [2020-10-25 19:37:07,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d762d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:37:07, skipping insertion in model container [2020-10-25 19:37:07,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:37:07" (2/3) ... [2020-10-25 19:37:07,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d762d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:37:07, skipping insertion in model container [2020-10-25 19:37:07,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:07" (3/3) ... [2020-10-25 19:37:07,806 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2020-10-25 19:37:07,823 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:37:07,828 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:37:07,843 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:37:07,875 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:37:07,875 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:37:07,875 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:37:07,876 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:37:07,876 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:37:07,876 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:37:07,876 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:37:07,877 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:37:07,892 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-25 19:37:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-25 19:37:07,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:37:07,900 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-25 19:37:07,900 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:37:07,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:37:07,907 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-10-25 19:37:07,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 19:37:07,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594085469] [2020-10-25 19:37:07,924 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 19:37:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:37:08,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 19:37:08,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:37:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:37:08,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 19:37:08,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:37:08,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594085469] [2020-10-25 19:37:08,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:37:08,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-25 19:37:08,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393024676] [2020-10-25 19:37:08,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:37:08,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 19:37:08,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:37:08,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:37:08,126 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-10-25 19:37:08,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:37:08,147 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-10-25 19:37:08,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:37:08,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-25 19:37:08,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:37:08,168 INFO L225 Difference]: With dead ends: 12 [2020-10-25 19:37:08,168 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 19:37:08,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:37:08,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 19:37:08,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 19:37:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 19:37:08,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 19:37:08,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-10-25 19:37:08,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:37:08,201 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 19:37:08,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:37:08,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 19:37:08,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 19:37:08,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 19:37:08,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 19:37:08,465 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 19:37:08,466 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 19:37:08,466 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 19:37:08,466 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 19:37:08,466 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 19:37:08,467 INFO L270 CegarLoopResult]: At program point L15(lines 5 16) the Hoare annotation is: (= (bvadd ULTIMATE.start_main_~result_8~0 (_ bv6 8)) (_ bv0 8)) [2020-10-25 19:37:08,467 INFO L270 CegarLoopResult]: At program point L10(lines 5 16) the Hoare annotation is: false [2020-10-25 19:37:08,467 INFO L274 CegarLoopResult]: For program point L9(lines 9 11) no Hoare annotation was computed. [2020-10-25 19:37:08,467 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 19:37:08,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:37:08 BoogieIcfgContainer [2020-10-25 19:37:08,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:37:08,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:37:08,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:37:08,485 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:37:08,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:37:07" (3/4) ... [2020-10-25 19:37:08,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 19:37:08,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-25 19:37:08,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 19:37:08,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:37:08,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:37:08,543 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:37:08,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:37:08,546 INFO L168 Benchmark]: Toolchain (without parser) took 1408.05 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.5 MB in the beginning and 31.1 MB in the end (delta: -9.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:08,547 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 44.0 MB. Free memory was 29.3 MB in the beginning and 29.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:08,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.43 ms. Allocated memory is still 44.0 MB. Free memory was 20.8 MB in the beginning and 22.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:08,549 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.61 ms. Allocated memory is still 44.0 MB. Free memory was 22.9 MB in the beginning and 21.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:08,550 INFO L168 Benchmark]: Boogie Preprocessor took 22.07 ms. Allocated memory is still 44.0 MB. Free memory was 21.5 MB in the beginning and 20.5 MB in the end (delta: 973.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:08,551 INFO L168 Benchmark]: RCFGBuilder took 276.76 ms. Allocated memory is still 44.0 MB. Free memory was 20.4 MB in the beginning and 20.5 MB in the end (delta: -75.2 kB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:08,552 INFO L168 Benchmark]: TraceAbstraction took 684.70 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.0 MB in the beginning and 33.4 MB in the end (delta: -13.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:37:08,553 INFO L168 Benchmark]: Witness Printer took 59.36 ms. Allocated memory is still 54.5 MB. Free memory was 33.4 MB in the beginning and 31.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:37:08,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 44.0 MB. Free memory was 29.3 MB in the beginning and 29.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 312.43 ms. Allocated memory is still 44.0 MB. Free memory was 20.8 MB in the beginning and 22.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.61 ms. Allocated memory is still 44.0 MB. Free memory was 22.9 MB in the beginning and 21.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.07 ms. Allocated memory is still 44.0 MB. Free memory was 21.5 MB in the beginning and 20.5 MB in the end (delta: 973.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 276.76 ms. Allocated memory is still 44.0 MB. Free memory was 20.4 MB in the beginning and 20.5 MB in the end (delta: -75.2 kB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 684.70 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.0 MB in the beginning and 33.4 MB in the end (delta: -13.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 59.36 ms. Allocated memory is still 54.5 MB. Free memory was 33.4 MB in the beginning and 31.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: ~bvadd64(result_8, 6bv8) == 0bv8 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 3 SDslu, 1 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 2 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...