./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invariants/bin-suffix-5.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/loop-invariants/bin-suffix-5.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 de7eb1b4edf01055c51816e5c7538789ce22635d ........................................................................................................................................................................................................................................................................ 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/loop-invariants/bin-suffix-5.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 de7eb1b4edf01055c51816e5c7538789ce22635d ..................................................................................................................................................................................................................................................................................... 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 22:30:51,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:30:51,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:30:51,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:30:51,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:30:51,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:30:51,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:30:51,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:30:51,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:30:51,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:30:51,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:30:51,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:30:51,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:30:51,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:30:51,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:30:51,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:30:51,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:30:51,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:30:51,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:30:51,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:30:51,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:30:51,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:30:51,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:30:51,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:30:51,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:30:51,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:30:51,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:30:51,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:30:51,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:30:51,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:30:51,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:30:51,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:30:51,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:30:51,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:30:51,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:30:51,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:30:51,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:30:51,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:30:51,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:30:51,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:30:51,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:30:51,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:30:51,520 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:30:51,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:30:51,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:30:51,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:30:51,523 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:30:51,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:30:51,524 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:30:51,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:30:51,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:30:51,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:30:51,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:30:51,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:30:51,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:30:51,526 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:30:51,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:30:51,526 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:30:51,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:30:51,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:30:51,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:30:51,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:30:51,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:30:51,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:30:51,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:30:51,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:30:51,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:30:51,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:30:51,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:30:51,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:30:51,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:30:51,531 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de7eb1b4edf01055c51816e5c7538789ce22635d [2020-10-25 22:30:51,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:30:51,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:30:51,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:30:51,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:30:51,963 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:30:51,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2020-10-25 22:30:52,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2887a308/eaf1dcef8662462db09346119b5af405/FLAGae8bd9b1e [2020-10-25 22:30:52,635 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:30:52,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2020-10-25 22:30:52,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2887a308/eaf1dcef8662462db09346119b5af405/FLAGae8bd9b1e [2020-10-25 22:30:52,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2887a308/eaf1dcef8662462db09346119b5af405 [2020-10-25 22:30:52,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:30:53,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:30:53,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:30:53,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:30:53,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:30:53,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:30:52" (1/1) ... [2020-10-25 22:30:53,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30463222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:53, skipping insertion in model container [2020-10-25 22:30:53,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:30:52" (1/1) ... [2020-10-25 22:30:53,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:30:53,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:30:53,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:30:53,275 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:30:53,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:30:53,306 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:30:53,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:53 WrapperNode [2020-10-25 22:30:53,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:30:53,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:30:53,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:30:53,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:30:53,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:53" (1/1) ... [2020-10-25 22:30:53,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:53" (1/1) ... [2020-10-25 22:30:53,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:30:53,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:30:53,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:30:53,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:30:53,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:53" (1/1) ... [2020-10-25 22:30:53,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:53" (1/1) ... [2020-10-25 22:30:53,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:53" (1/1) ... [2020-10-25 22:30:53,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:53" (1/1) ... [2020-10-25 22:30:53,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:53" (1/1) ... [2020-10-25 22:30:53,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:53" (1/1) ... [2020-10-25 22:30:53,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:53" (1/1) ... [2020-10-25 22:30:53,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:30:53,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:30:53,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:30:53,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:30:53,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:53" (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 22:30:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:30:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:30:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 22:30:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 22:30:53,846 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:30:53,846 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 22:30:53,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:30:53 BoogieIcfgContainer [2020-10-25 22:30:53,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:30:53,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:30:53,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:30:53,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:30:53,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:30:52" (1/3) ... [2020-10-25 22:30:53,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e97b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:30:53, skipping insertion in model container [2020-10-25 22:30:53,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:53" (2/3) ... [2020-10-25 22:30:53,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e97b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:30:53, skipping insertion in model container [2020-10-25 22:30:53,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:30:53" (3/3) ... [2020-10-25 22:30:53,861 INFO L111 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2020-10-25 22:30:53,877 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:30:53,881 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 22:30:53,895 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 22:30:53,937 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:30:53,937 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:30:53,938 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:30:53,938 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:30:53,938 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:30:53,938 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:30:53,938 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:30:53,938 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:30:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-10-25 22:30:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-25 22:30:53,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:30:53,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-25 22:30:53,966 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:30:53,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:30:53,973 INFO L82 PathProgramCache]: Analyzing trace with hash 889783783, now seen corresponding path program 1 times [2020-10-25 22:30:53,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:30:53,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670963590] [2020-10-25 22:30:53,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:30:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:30:54,181 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 22:30:54,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670963590] [2020-10-25 22:30:54,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:30:54,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 22:30:54,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761880853] [2020-10-25 22:30:54,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 22:30:54,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:30:54,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 22:30:54,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:30:54,211 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2020-10-25 22:30:54,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:30:54,230 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2020-10-25 22:30:54,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 22:30:54,232 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-25 22:30:54,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:30:54,245 INFO L225 Difference]: With dead ends: 21 [2020-10-25 22:30:54,245 INFO L226 Difference]: Without dead ends: 8 [2020-10-25 22:30:54,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:30:54,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-10-25 22:30:54,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-10-25 22:30:54,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-25 22:30:54,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-10-25 22:30:54,291 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2020-10-25 22:30:54,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:30:54,292 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2020-10-25 22:30:54,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 22:30:54,293 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-10-25 22:30:54,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-25 22:30:54,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:30:54,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:30:54,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 22:30:54,295 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:30:54,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:30:54,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1806847180, now seen corresponding path program 1 times [2020-10-25 22:30:54,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:30:54,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229201652] [2020-10-25 22:30:54,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:30:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 22:30:54,344 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 22:30:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 22:30:54,362 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 22:30:54,384 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 22:30:54,384 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 22:30:54,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 22:30:54,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:30:54 BoogieIcfgContainer [2020-10-25 22:30:54,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:30:54,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:30:54,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:30:54,412 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:30:54,413 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:30:53" (3/4) ... [2020-10-25 22:30:54,416 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 22:30:54,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:30:54,419 INFO L168 Benchmark]: Toolchain (without parser) took 1420.83 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 26.4 MB in the beginning and 29.2 MB in the end (delta: -2.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:30:54,420 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 35.7 MB. Free memory was 18.6 MB in the beginning and 18.5 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:30:54,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.18 ms. Allocated memory is still 48.2 MB. Free memory was 25.8 MB in the beginning and 28.0 MB in the end (delta: -2.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:30:54,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.82 ms. Allocated memory is still 48.2 MB. Free memory was 28.0 MB in the beginning and 26.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:30:54,423 INFO L168 Benchmark]: Boogie Preprocessor took 29.83 ms. Allocated memory is still 48.2 MB. Free memory was 26.5 MB in the beginning and 25.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:30:54,424 INFO L168 Benchmark]: RCFGBuilder took 473.78 ms. Allocated memory is still 48.2 MB. Free memory was 25.5 MB in the beginning and 26.8 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-10-25 22:30:54,425 INFO L168 Benchmark]: TraceAbstraction took 558.12 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 26.3 MB in the beginning and 29.7 MB in the end (delta: -3.4 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2020-10-25 22:30:54,426 INFO L168 Benchmark]: Witness Printer took 5.05 ms. Allocated memory is still 58.7 MB. Free memory was 29.5 MB in the beginning and 29.2 MB in the end (delta: 263.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:30:54,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 35.7 MB. Free memory was 18.6 MB in the beginning and 18.5 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 303.18 ms. Allocated memory is still 48.2 MB. Free memory was 25.8 MB in the beginning and 28.0 MB in the end (delta: -2.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.82 ms. Allocated memory is still 48.2 MB. Free memory was 28.0 MB in the beginning and 26.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.83 ms. Allocated memory is still 48.2 MB. Free memory was 26.5 MB in the beginning and 25.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 473.78 ms. Allocated memory is still 48.2 MB. Free memory was 25.5 MB in the beginning and 26.8 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 558.12 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 26.3 MB in the beginning and 29.7 MB in the end (delta: -3.4 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.05 ms. Allocated memory is still 58.7 MB. Free memory was 29.5 MB in the beginning and 29.2 MB in the end (delta: 263.6 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 bitwiseAnd at line 16. Possible FailurePath: [L12] unsigned int x = 5; [L13] COND FALSE !(__VERIFIER_nondet_int()) [L6] COND TRUE !(cond) [L3] __assert_fail("0", "bin-suffix-5.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 22:30:56,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:30:56,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:30:56,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:30:56,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:30:56,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:30:56,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:30:56,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:30:56,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:30:57,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:30:57,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:30:57,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:30:57,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:30:57,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:30:57,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:30:57,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:30:57,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:30:57,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:30:57,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:30:57,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:30:57,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:30:57,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:30:57,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:30:57,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:30:57,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:30:57,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:30:57,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:30:57,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:30:57,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:30:57,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:30:57,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:30:57,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:30:57,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:30:57,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:30:57,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:30:57,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:30:57,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:30:57,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:30:57,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:30:57,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:30:57,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:30:57,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 22:30:57,114 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:30:57,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:30:57,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:30:57,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:30:57,119 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:30:57,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:30:57,119 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:30:57,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:30:57,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:30:57,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:30:57,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:30:57,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:30:57,121 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 22:30:57,121 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 22:30:57,121 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:30:57,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:30:57,122 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:30:57,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:30:57,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:30:57,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:30:57,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:30:57,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:30:57,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:30:57,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:30:57,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:30:57,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:30:57,125 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 22:30:57,125 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 22:30:57,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:30:57,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:30:57,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 22:30:57,126 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de7eb1b4edf01055c51816e5c7538789ce22635d [2020-10-25 22:30:57,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:30:57,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:30:57,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:30:57,556 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:30:57,557 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:30:57,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2020-10-25 22:30:57,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91998057c/f2092eeed9b140bab4bc3c8c323e67f5/FLAG1d8d28b41 [2020-10-25 22:30:58,177 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:30:58,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2020-10-25 22:30:58,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91998057c/f2092eeed9b140bab4bc3c8c323e67f5/FLAG1d8d28b41 [2020-10-25 22:30:58,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91998057c/f2092eeed9b140bab4bc3c8c323e67f5 [2020-10-25 22:30:58,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:30:58,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:30:58,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:30:58,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:30:58,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:30:58,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:30:58" (1/1) ... [2020-10-25 22:30:58,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26aee4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:58, skipping insertion in model container [2020-10-25 22:30:58,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:30:58" (1/1) ... [2020-10-25 22:30:58,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:30:58,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:30:58,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:30:58,856 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:30:58,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:30:58,889 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:30:58,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:58 WrapperNode [2020-10-25 22:30:58,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:30:58,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:30:58,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:30:58,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:30:58,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:58" (1/1) ... [2020-10-25 22:30:58,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:58" (1/1) ... [2020-10-25 22:30:58,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:30:58,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:30:58,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:30:58,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:30:58,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:58" (1/1) ... [2020-10-25 22:30:58,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:58" (1/1) ... [2020-10-25 22:30:58,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:58" (1/1) ... [2020-10-25 22:30:58,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:58" (1/1) ... [2020-10-25 22:30:58,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:58" (1/1) ... [2020-10-25 22:30:58,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:58" (1/1) ... [2020-10-25 22:30:58,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:58" (1/1) ... [2020-10-25 22:30:58,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:30:58,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:30:58,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:30:58,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:30:58,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:58" (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 22:30:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:30:59,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:30:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 22:30:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 22:30:59,254 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:30:59,255 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 22:30:59,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:30:59 BoogieIcfgContainer [2020-10-25 22:30:59,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:30:59,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:30:59,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:30:59,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:30:59,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:30:58" (1/3) ... [2020-10-25 22:30:59,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b80a0dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:30:59, skipping insertion in model container [2020-10-25 22:30:59,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:58" (2/3) ... [2020-10-25 22:30:59,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b80a0dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:30:59, skipping insertion in model container [2020-10-25 22:30:59,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:30:59" (3/3) ... [2020-10-25 22:30:59,268 INFO L111 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2020-10-25 22:30:59,281 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:30:59,287 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 22:30:59,302 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 22:30:59,330 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:30:59,330 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:30:59,331 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:30:59,331 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:30:59,331 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:30:59,331 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:30:59,332 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:30:59,332 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:30:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-10-25 22:30:59,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-25 22:30:59,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:30:59,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-25 22:30:59,354 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:30:59,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:30:59,361 INFO L82 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2020-10-25 22:30:59,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 22:30:59,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865223566] [2020-10-25 22:30:59,376 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 22:30:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:30:59,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-25 22:30:59,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:30:59,544 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 22:30:59,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 22:30:59,637 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 22:30:59,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865223566] [2020-10-25 22:30:59,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:30:59,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-25 22:30:59,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61454679] [2020-10-25 22:30:59,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 22:30:59,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 22:30:59,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 22:30:59,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:30:59,677 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 6 states. [2020-10-25 22:30:59,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:30:59,812 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2020-10-25 22:30:59,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 22:30:59,815 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2020-10-25 22:30:59,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:30:59,822 INFO L225 Difference]: With dead ends: 25 [2020-10-25 22:30:59,823 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 22:30:59,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-25 22:30:59,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 22:30:59,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 22:30:59,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 22:30:59,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 22:30:59,857 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-10-25 22:30:59,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:30:59,857 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 22:30:59,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 22:30:59,858 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 22:30:59,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:31:00,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 22:31:00,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 22:31:00,184 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:31:00,184 INFO L270 CegarLoopResult]: At program point L17(lines 11 18) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0))) [2020-10-25 22:31:00,184 INFO L270 CegarLoopResult]: At program point L13-2(lines 13 15) the Hoare annotation is: (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0)) [2020-10-25 22:31:00,185 INFO L274 CegarLoopResult]: For program point L13-3(lines 13 15) no Hoare annotation was computed. [2020-10-25 22:31:00,185 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-10-25 22:31:00,185 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 22:31:00,185 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 22:31:00,185 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:31:00,185 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:31:00,185 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 22:31:00,186 INFO L274 CegarLoopResult]: For program point L6(lines 6 8) no Hoare annotation was computed. [2020-10-25 22:31:00,186 INFO L270 CegarLoopResult]: At program point L6-2(lines 5 10) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0))) [2020-10-25 22:31:00,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:31:00 BoogieIcfgContainer [2020-10-25 22:31:00,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:31:00,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:31:00,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:31:00,203 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:31:00,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:30:59" (3/4) ... [2020-10-25 22:31:00,207 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:31:00,217 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 22:31:00,217 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 22:31:00,218 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:31:00,218 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:31:00,256 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:31:00,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:31:00,259 INFO L168 Benchmark]: Toolchain (without parser) took 1682.27 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.3 MB in the beginning and 32.7 MB in the end (delta: -9.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:31:00,260 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 46.1 MB. Free memory was 28.0 MB in the beginning and 27.9 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:31:00,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.49 ms. Allocated memory is still 46.1 MB. Free memory was 22.7 MB in the beginning and 24.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:31:00,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.29 ms. Allocated memory is still 46.1 MB. Free memory was 24.6 MB in the beginning and 23.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:31:00,262 INFO L168 Benchmark]: Boogie Preprocessor took 24.50 ms. Allocated memory is still 46.1 MB. Free memory was 23.3 MB in the beginning and 22.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:31:00,263 INFO L168 Benchmark]: RCFGBuilder took 304.15 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.1 MB in the beginning and 33.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-25 22:31:00,264 INFO L168 Benchmark]: TraceAbstraction took 942.47 ms. Allocated memory is still 56.6 MB. Free memory was 33.1 MB in the beginning and 35.1 MB in the end (delta: -2.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:31:00,265 INFO L168 Benchmark]: Witness Printer took 53.86 ms. Allocated memory is still 56.6 MB. Free memory was 35.1 MB in the beginning and 32.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:31:00,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 46.1 MB. Free memory was 28.0 MB in the beginning and 27.9 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 306.49 ms. Allocated memory is still 46.1 MB. Free memory was 22.7 MB in the beginning and 24.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.29 ms. Allocated memory is still 46.1 MB. Free memory was 24.6 MB in the beginning and 23.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.50 ms. Allocated memory is still 46.1 MB. Free memory was 23.3 MB in the beginning and 22.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 304.15 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.1 MB in the beginning and 33.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 942.47 ms. Allocated memory is still 56.6 MB. Free memory was 33.1 MB in the beginning and 35.1 MB in the end (delta: -2.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Witness Printer took 53.86 ms. Allocated memory is still 56.6 MB. Free memory was 35.1 MB in the beginning and 32.7 MB in the end (delta: 2.4 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: 13]: Loop Invariant Derived loop invariant: 5bv32 == ~bvand32(5bv32, x) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && 5bv32 == ~bvand32(5bv32, x) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && 5bv32 == ~bvand32(5bv32, x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 SDtfs, 26 SDslu, 9 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 27 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 145 SizeOfPredicates, 3 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 4 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...