./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 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector-regression/integerpromotion-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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector-regression/integerpromotion-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 0.1.25-9a8b2e8 [2020-10-19 22:22:50,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:22:50,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:22:50,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:22:50,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:22:50,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:22:50,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:22:50,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:22:50,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:22:50,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:22:50,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:22:50,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:22:50,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:22:50,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:22:50,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:22:50,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:22:50,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:22:50,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:22:50,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:22:50,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:22:50,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:22:50,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:22:50,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:22:50,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:22:50,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:22:50,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:22:50,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:22:50,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:22:50,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:22:50,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:22:50,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:22:50,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:22:50,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:22:50,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:22:50,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:22:50,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:22:50,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:22:50,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:22:50,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:22:50,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:22:50,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:22:50,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:22:50,402 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:22:50,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:22:50,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:22:50,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:22:50,410 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:22:50,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:22:50,410 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:22:50,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:22:50,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:22:50,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:22:50,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:22:50,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:22:50,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:22:50,412 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:22:50,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:22:50,412 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:22:50,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:22:50,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:22:50,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:22:50,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:22:50,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:22:50,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:22:50,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:22:50,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:22:50,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:22:50,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:22:50,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:22:50,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:22:50,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:22:50,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15c59cd64cbdab762f2e01ef0d03122497382232 [2020-10-19 22:22:50,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:22:50,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:22:50,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:22:50,643 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:22:50,643 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:22:50,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2020-10-19 22:22:50,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbda5e6e7/8781eb0e444a4d76baa8254f8ed51de5/FLAGd19b94796 [2020-10-19 22:22:51,262 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:22:51,263 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2020-10-19 22:22:51,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbda5e6e7/8781eb0e444a4d76baa8254f8ed51de5/FLAGd19b94796 [2020-10-19 22:22:51,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbda5e6e7/8781eb0e444a4d76baa8254f8ed51de5 [2020-10-19 22:22:51,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:22:51,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:22:51,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:22:51,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:22:51,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:22:51,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:51" (1/1) ... [2020-10-19 22:22:51,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce60fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:51, skipping insertion in model container [2020-10-19 22:22:51,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:51" (1/1) ... [2020-10-19 22:22:51,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:22:51,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:22:51,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:22:51,936 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:22:51,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:22:51,969 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:22:51,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:51 WrapperNode [2020-10-19 22:22:51,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:22:51,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:22:51,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:22:51,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:22:51,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:51" (1/1) ... [2020-10-19 22:22:51,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:51" (1/1) ... [2020-10-19 22:22:52,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:22:52,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:22:52,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:22:52,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:22:52,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:51" (1/1) ... [2020-10-19 22:22:52,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:51" (1/1) ... [2020-10-19 22:22:52,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:51" (1/1) ... [2020-10-19 22:22:52,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:51" (1/1) ... [2020-10-19 22:22:52,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:51" (1/1) ... [2020-10-19 22:22:52,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:51" (1/1) ... [2020-10-19 22:22:52,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:51" (1/1) ... [2020-10-19 22:22:52,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:22:52,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:22:52,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:22:52,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:22:52,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:22:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:22:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:22:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:22:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:22:52,300 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:22:52,301 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-19 22:22:52,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:52 BoogieIcfgContainer [2020-10-19 22:22:52,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:22:52,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:22:52,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:22:52,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:22:52,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:22:51" (1/3) ... [2020-10-19 22:22:52,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1b9fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:52, skipping insertion in model container [2020-10-19 22:22:52,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:51" (2/3) ... [2020-10-19 22:22:52,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1b9fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:52, skipping insertion in model container [2020-10-19 22:22:52,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:52" (3/3) ... [2020-10-19 22:22:52,312 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2020-10-19 22:22:52,325 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:22:52,333 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:22:52,351 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:22:52,380 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:22:52,381 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:22:52,381 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:22:52,381 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:22:52,381 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:22:52,382 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:22:52,382 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:22:52,382 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:22:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-19 22:22:52,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-19 22:22:52,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:52,421 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-19 22:22:52,424 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:52,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:52,432 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-10-19 22:22:52,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:22:52,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014660771] [2020-10-19 22:22:52,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:22:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:22:52,552 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:22:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 22:22:52,575 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 22:22:52,596 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 22:22:52,597 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 22:22:52,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:22:52,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:22:52 BoogieIcfgContainer [2020-10-19 22:22:52,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:22:52,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:22:52,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:22:52,619 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:22:52,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:52" (3/4) ... [2020-10-19 22:22:52,623 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 22:22:52,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:22:52,627 INFO L168 Benchmark]: Toolchain (without parser) took 927.87 ms. Allocated memory was 39.3 MB in the beginning and 42.5 MB in the end (delta: 3.1 MB). Free memory was 16.8 MB in the beginning and 17.8 MB in the end (delta: -952.6 kB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:52,629 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 30.4 MB. Free memory was 5.9 MB in the beginning and 5.9 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-19 22:22:52,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.51 ms. Allocated memory was 39.3 MB in the beginning and 40.4 MB in the end (delta: 1.0 MB). Free memory was 16.0 MB in the beginning and 16.5 MB in the end (delta: -560.8 kB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:52,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.54 ms. Allocated memory is still 40.4 MB. Free memory was 16.4 MB in the beginning and 14.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:52,632 INFO L168 Benchmark]: Boogie Preprocessor took 22.26 ms. Allocated memory is still 40.4 MB. Free memory was 14.8 MB in the beginning and 13.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:52,634 INFO L168 Benchmark]: RCFGBuilder took 271.19 ms. Allocated memory was 40.4 MB in the beginning and 42.5 MB in the end (delta: 2.1 MB). Free memory was 13.6 MB in the beginning and 18.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:52,635 INFO L168 Benchmark]: TraceAbstraction took 313.95 ms. Allocated memory is still 42.5 MB. Free memory was 18.0 MB in the beginning and 18.2 MB in the end (delta: -200.3 kB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-19 22:22:52,636 INFO L168 Benchmark]: Witness Printer took 5.67 ms. Allocated memory is still 42.5 MB. Free memory was 18.2 MB in the beginning and 17.8 MB in the end (delta: 472.8 kB). Peak memory consumption was 472.8 kB. Max. memory is 14.3 GB. [2020-10-19 22:22:52,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 30.4 MB. Free memory was 5.9 MB in the beginning and 5.9 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 266.51 ms. Allocated memory was 39.3 MB in the beginning and 40.4 MB in the end (delta: 1.0 MB). Free memory was 16.0 MB in the beginning and 16.5 MB in the end (delta: -560.8 kB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 38.54 ms. Allocated memory is still 40.4 MB. Free memory was 16.4 MB in the beginning and 14.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 22.26 ms. Allocated memory is still 40.4 MB. Free memory was 14.8 MB in the beginning and 13.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 271.19 ms. Allocated memory was 40.4 MB in the beginning and 42.5 MB in the end (delta: 2.1 MB). Free memory was 13.6 MB in the beginning and 18.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 313.95 ms. Allocated memory is still 42.5 MB. Free memory was 18.0 MB in the beginning and 18.2 MB in the end (delta: -200.3 kB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 5.67 ms. Allocated memory is still 42.5 MB. Free memory was 18.2 MB in the beginning and 17.8 MB in the end (delta: 472.8 kB). Peak memory consumption was 472.8 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 8. Possible FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 != 0xfa [L3] __assert_fail("0", "integerpromotion-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 0.1.25-9a8b2e8 [2020-10-19 22:22:54,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:22:54,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:22:54,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:22:54,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:22:54,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:22:54,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:22:54,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:22:54,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:22:54,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:22:54,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:22:54,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:22:54,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:22:54,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:22:54,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:22:54,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:22:54,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:22:54,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:22:54,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:22:54,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:22:54,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:22:54,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:22:54,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:22:54,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:22:54,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:22:54,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:22:54,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:22:54,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:22:54,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:22:54,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:22:54,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:22:54,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:22:54,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:22:54,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:22:54,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:22:54,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:22:54,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:22:54,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:22:54,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:22:54,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:22:54,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:22:54,933 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-19 22:22:54,971 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:22:54,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:22:54,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:22:54,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:22:54,973 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:22:54,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:22:54,973 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:22:54,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:22:54,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:22:54,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:22:54,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:22:54,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:22:54,975 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 22:22:54,975 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 22:22:54,975 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:22:54,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:22:54,976 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:22:54,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:22:54,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:22:54,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:22:54,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:22:54,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:22:54,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:22:54,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:22:54,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:22:54,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:22:54,978 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 22:22:54,979 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 22:22:54,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:22:54,979 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:22:54,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 22:22:54,980 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15c59cd64cbdab762f2e01ef0d03122497382232 [2020-10-19 22:22:55,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:22:55,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:22:55,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:22:55,193 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:22:55,193 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:22:55,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2020-10-19 22:22:55,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d954d733/9781263d83ea4a18bfac14b1dcad8af3/FLAG13fabc254 [2020-10-19 22:22:55,805 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:22:55,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2020-10-19 22:22:55,812 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d954d733/9781263d83ea4a18bfac14b1dcad8af3/FLAG13fabc254 [2020-10-19 22:22:56,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d954d733/9781263d83ea4a18bfac14b1dcad8af3 [2020-10-19 22:22:56,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:22:56,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:22:56,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:22:56,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:22:56,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:22:56,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:56" (1/1) ... [2020-10-19 22:22:56,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3af07dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56, skipping insertion in model container [2020-10-19 22:22:56,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:56" (1/1) ... [2020-10-19 22:22:56,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:22:56,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:22:56,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:22:56,298 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:22:56,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:22:56,345 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:22:56,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56 WrapperNode [2020-10-19 22:22:56,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:22:56,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:22:56,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:22:56,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:22:56,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56" (1/1) ... [2020-10-19 22:22:56,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56" (1/1) ... [2020-10-19 22:22:56,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:22:56,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:22:56,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:22:56,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:22:56,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56" (1/1) ... [2020-10-19 22:22:56,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56" (1/1) ... [2020-10-19 22:22:56,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56" (1/1) ... [2020-10-19 22:22:56,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56" (1/1) ... [2020-10-19 22:22:56,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56" (1/1) ... [2020-10-19 22:22:56,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56" (1/1) ... [2020-10-19 22:22:56,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56" (1/1) ... [2020-10-19 22:22:56,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:22:56,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:22:56,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:22:56,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:22:56,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:22:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:22:56,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:22:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-19 22:22:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:22:56,668 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:22:56,668 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-19 22:22:56,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:56 BoogieIcfgContainer [2020-10-19 22:22:56,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:22:56,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:22:56,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:22:56,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:22:56,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:22:56" (1/3) ... [2020-10-19 22:22:56,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec436d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:56, skipping insertion in model container [2020-10-19 22:22:56,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:56" (2/3) ... [2020-10-19 22:22:56,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec436d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:56, skipping insertion in model container [2020-10-19 22:22:56,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:56" (3/3) ... [2020-10-19 22:22:56,694 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2020-10-19 22:22:56,723 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:22:56,744 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:22:56,762 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:22:56,791 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:22:56,791 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:22:56,791 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:22:56,792 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:22:56,792 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:22:56,792 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:22:56,792 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:22:56,792 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:22:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-19 22:22:56,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-19 22:22:56,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:22:56,816 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-19 22:22:56,816 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:22:56,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:22:56,823 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-10-19 22:22:56,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 22:22:56,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160792643] [2020-10-19 22:22:56,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-19 22:22:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:22:56,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:22:56,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:22:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:22:56,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 22:22:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:22:56,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160792643] [2020-10-19 22:22:56,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:22:56,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-19 22:22:56,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127880507] [2020-10-19 22:22:56,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:22:56,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 22:22:57,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:22:57,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:22:57,006 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-10-19 22:22:57,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:22:57,027 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-10-19 22:22:57,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:22:57,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-19 22:22:57,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:22:57,047 INFO L225 Difference]: With dead ends: 12 [2020-10-19 22:22:57,047 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:22:57,051 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 [2020-10-19 22:22:57,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:22:57,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:22:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:22:57,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:22:57,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-10-19 22:22:57,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:22:57,074 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:22:57,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:22:57,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:22:57,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:22:57,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 22:22:57,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:22:57,330 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:22:57,330 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:22:57,330 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:22:57,330 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:22:57,331 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-19 22:22:57,331 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)) [2020-10-19 22:22:57,331 INFO L270 CegarLoopResult]: At program point L10(lines 5 16) the Hoare annotation is: false [2020-10-19 22:22:57,331 INFO L274 CegarLoopResult]: For program point L9(lines 9 11) no Hoare annotation was computed. [2020-10-19 22:22:57,332 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-19 22:22:57,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:22:57 BoogieIcfgContainer [2020-10-19 22:22:57,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:22:57,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:22:57,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:22:57,348 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:22:57,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:56" (3/4) ... [2020-10-19 22:22:57,351 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:22:57,361 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-19 22:22:57,362 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:22:57,362 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:22:57,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:22:57,403 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:22:57,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:22:57,406 INFO L168 Benchmark]: Toolchain (without parser) took 1328.09 ms. Allocated memory was 43.5 MB in the beginning and 46.1 MB in the end (delta: 2.6 MB). Free memory was 24.6 MB in the beginning and 17.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:57,407 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 32.5 MB. Free memory was 11.5 MB in the beginning and 11.4 MB in the end (delta: 68.3 kB). Peak memory consumption was 68.3 kB. Max. memory is 14.3 GB. [2020-10-19 22:22:57,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.00 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 23.7 MB in the beginning and 25.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:57,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.92 ms. Allocated memory is still 44.0 MB. Free memory was 25.1 MB in the beginning and 23.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:57,410 INFO L168 Benchmark]: Boogie Preprocessor took 20.18 ms. Allocated memory is still 44.0 MB. Free memory was 23.4 MB in the beginning and 22.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:57,411 INFO L168 Benchmark]: RCFGBuilder took 269.56 ms. Allocated memory is still 44.0 MB. Free memory was 22.2 MB in the beginning and 11.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:57,412 INFO L168 Benchmark]: TraceAbstraction took 675.46 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 10.6 MB in the beginning and 20.5 MB in the end (delta: -9.9 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-19 22:22:57,413 INFO L168 Benchmark]: Witness Printer took 55.88 ms. Allocated memory is still 46.1 MB. Free memory was 20.3 MB in the beginning and 17.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:22:57,418 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 32.5 MB. Free memory was 11.5 MB in the beginning and 11.4 MB in the end (delta: 68.3 kB). Peak memory consumption was 68.3 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 264.00 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 23.7 MB in the beginning and 25.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 32.92 ms. Allocated memory is still 44.0 MB. Free memory was 25.1 MB in the beginning and 23.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 20.18 ms. Allocated memory is still 44.0 MB. Free memory was 23.4 MB in the beginning and 22.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 269.56 ms. Allocated memory is still 44.0 MB. Free memory was 22.2 MB in the beginning and 11.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 675.46 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 10.6 MB in the beginning and 20.5 MB in the end (delta: -9.9 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 55.88 ms. Allocated memory is still 46.1 MB. Free memory was 20.3 MB in the beginning and 17.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 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: 0.4s, 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...