./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 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/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_1.3.100.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/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 0.1.25-9a8b2e8 [2020-10-20 01:09:08,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:09:08,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:09:08,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:09:08,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:09:08,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:09:08,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:09:08,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:09:08,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:09:08,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:09:08,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:09:08,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:09:08,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:09:08,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:09:08,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:09:08,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:09:08,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:09:08,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:09:08,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:09:08,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:09:08,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:09:08,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:09:08,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:09:08,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:09:08,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:09:08,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:09:08,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:09:08,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:09:08,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:09:08,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:09:08,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:09:08,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:09:08,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:09:08,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:09:08,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:09:08,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:09:08,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:09:08,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:09:08,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:09:08,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:09:08,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:09:08,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:09:08,913 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:09:08,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:09:08,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:09:08,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:09:08,915 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:09:08,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:09:08,916 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:09:08,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:09:08,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:09:08,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:09:08,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:09:08,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:09:08,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:09:08,918 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:09:08,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:09:08,918 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:09:08,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:09:08,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:09:08,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:09:08,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:09:08,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:09:08,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:09:08,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:09:08,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:09:08,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:09:08,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:09:08,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:09:08,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:09:08,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:09:08,922 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 -> de7eb1b4edf01055c51816e5c7538789ce22635d [2020-10-20 01:09:09,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:09:09,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:09:09,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:09:09,168 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:09:09,170 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:09:09,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2020-10-20 01:09:09,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75cde7961/5b20bd990992449db5ef1ba31b06839a/FLAGec8e56da1 [2020-10-20 01:09:09,833 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:09:09,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2020-10-20 01:09:09,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75cde7961/5b20bd990992449db5ef1ba31b06839a/FLAGec8e56da1 [2020-10-20 01:09:10,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75cde7961/5b20bd990992449db5ef1ba31b06839a [2020-10-20 01:09:10,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:09:10,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:09:10,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:09:10,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:09:10,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:09:10,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:09:10" (1/1) ... [2020-10-20 01:09:10,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8d5a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:10, skipping insertion in model container [2020-10-20 01:09:10,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:09:10" (1/1) ... [2020-10-20 01:09:10,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:09:10,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:09:10,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:09:10,381 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:09:10,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:09:10,415 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:09:10,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:10 WrapperNode [2020-10-20 01:09:10,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:09:10,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:09:10,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:09:10,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:09:10,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:10" (1/1) ... [2020-10-20 01:09:10,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:10" (1/1) ... [2020-10-20 01:09:10,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:09:10,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:09:10,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:09:10,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:09:10,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:10" (1/1) ... [2020-10-20 01:09:10,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:10" (1/1) ... [2020-10-20 01:09:10,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:10" (1/1) ... [2020-10-20 01:09:10,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:10" (1/1) ... [2020-10-20 01:09:10,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:10" (1/1) ... [2020-10-20 01:09:10,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:10" (1/1) ... [2020-10-20 01:09:10,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:10" (1/1) ... [2020-10-20 01:09:10,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:09:10,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:09:10,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:09:10,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:09:10,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:10" (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 [2020-10-20 01:09:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:09:10,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:09:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:09:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:09:10,777 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:09:10,778 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-20 01:09:10,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:09:10 BoogieIcfgContainer [2020-10-20 01:09:10,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:09:10,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:09:10,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:09:10,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:09:10,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:09:10" (1/3) ... [2020-10-20 01:09:10,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6777ff91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:09:10, skipping insertion in model container [2020-10-20 01:09:10,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:10" (2/3) ... [2020-10-20 01:09:10,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6777ff91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:09:10, skipping insertion in model container [2020-10-20 01:09:10,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:09:10" (3/3) ... [2020-10-20 01:09:10,791 INFO L111 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2020-10-20 01:09:10,805 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:09:10,813 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 01:09:10,834 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 01:09:10,871 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:09:10,872 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:09:10,872 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:09:10,872 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:09:10,873 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:09:10,873 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:09:10,873 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:09:10,874 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:09:10,897 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-10-20 01:09:10,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-20 01:09:10,920 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:09:10,921 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-20 01:09:10,922 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:09:10,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:09:10,929 INFO L82 PathProgramCache]: Analyzing trace with hash 889783783, now seen corresponding path program 1 times [2020-10-20 01:09:10,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:09:10,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166262090] [2020-10-20 01:09:10,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:09:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:09:11,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:09:11,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166262090] [2020-10-20 01:09:11,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:09:11,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:09:11,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612361453] [2020-10-20 01:09:11,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:09:11,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:09:11,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:09:11,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:09:11,146 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2020-10-20 01:09:11,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:09:11,166 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2020-10-20 01:09:11,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:09:11,168 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-20 01:09:11,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:09:11,179 INFO L225 Difference]: With dead ends: 21 [2020-10-20 01:09:11,179 INFO L226 Difference]: Without dead ends: 8 [2020-10-20 01:09:11,183 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 [2020-10-20 01:09:11,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-10-20 01:09:11,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-10-20 01:09:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-20 01:09:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-10-20 01:09:11,215 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2020-10-20 01:09:11,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:09:11,215 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2020-10-20 01:09:11,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:09:11,215 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-10-20 01:09:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-20 01:09:11,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:09:11,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:09:11,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:09:11,217 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:09:11,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:09:11,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1806847180, now seen corresponding path program 1 times [2020-10-20 01:09:11,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:09:11,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443660402] [2020-10-20 01:09:11,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:09:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 01:09:11,252 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 01:09:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 01:09:11,271 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 01:09:11,295 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 01:09:11,295 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 01:09:11,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:09:11,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:09:11 BoogieIcfgContainer [2020-10-20 01:09:11,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:09:11,324 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:09:11,324 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:09:11,324 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:09:11,324 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:09:10" (3/4) ... [2020-10-20 01:09:11,328 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 01:09:11,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:09:11,331 INFO L168 Benchmark]: Toolchain (without parser) took 1199.36 ms. Allocated memory was 42.5 MB in the beginning and 46.1 MB in the end (delta: 3.7 MB). Free memory was 24.1 MB in the beginning and 9.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:11,332 INFO L168 Benchmark]: CDTParser took 1.06 ms. Allocated memory is still 32.5 MB. Free memory was 11.7 MB in the beginning and 11.7 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 01:09:11,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.53 ms. Allocated memory was 42.5 MB in the beginning and 45.6 MB in the end (delta: 3.1 MB). Free memory was 23.3 MB in the beginning and 28.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:11,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.81 ms. Allocated memory is still 45.6 MB. Free memory was 28.0 MB in the beginning and 26.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:11,336 INFO L168 Benchmark]: Boogie Preprocessor took 24.31 ms. Allocated memory is still 45.6 MB. Free memory was 26.5 MB in the beginning and 25.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:11,337 INFO L168 Benchmark]: RCFGBuilder took 304.00 ms. Allocated memory is still 45.6 MB. Free memory was 25.2 MB in the beginning and 13.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:11,338 INFO L168 Benchmark]: TraceAbstraction took 541.14 ms. Allocated memory was 45.6 MB in the beginning and 46.1 MB in the end (delta: 524.3 kB). Free memory was 13.2 MB in the beginning and 10.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:11,339 INFO L168 Benchmark]: Witness Printer took 4.84 ms. Allocated memory is still 46.1 MB. Free memory was 10.3 MB in the beginning and 10.0 MB in the end (delta: 276.1 kB). Peak memory consumption was 276.1 kB. Max. memory is 14.3 GB. [2020-10-20 01:09:11,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 ms. Allocated memory is still 32.5 MB. Free memory was 11.7 MB in the beginning and 11.7 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 279.53 ms. Allocated memory was 42.5 MB in the beginning and 45.6 MB in the end (delta: 3.1 MB). Free memory was 23.3 MB in the beginning and 28.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 35.81 ms. Allocated memory is still 45.6 MB. Free memory was 28.0 MB in the beginning and 26.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 24.31 ms. Allocated memory is still 45.6 MB. Free memory was 26.5 MB in the beginning and 25.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 304.00 ms. Allocated memory is still 45.6 MB. Free memory was 25.2 MB in the beginning and 13.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 541.14 ms. Allocated memory was 45.6 MB in the beginning and 46.1 MB in the end (delta: 524.3 kB). Free memory was 13.2 MB in the beginning and 10.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.3 GB. * Witness Printer took 4.84 ms. Allocated memory is still 46.1 MB. Free memory was 10.3 MB in the beginning and 10.0 MB in the end (delta: 276.1 kB). Peak memory consumption was 276.1 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 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 0.1.25-9a8b2e8 [2020-10-20 01:09:13,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:09:13,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:09:13,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:09:13,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:09:13,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:09:13,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:09:13,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:09:13,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:09:13,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:09:13,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:09:13,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:09:13,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:09:13,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:09:13,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:09:13,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:09:13,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:09:13,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:09:13,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:09:13,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:09:13,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:09:13,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:09:13,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:09:13,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:09:13,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:09:13,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:09:13,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:09:13,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:09:13,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:09:13,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:09:13,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:09:13,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:09:13,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:09:13,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:09:13,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:09:13,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:09:13,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:09:13,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:09:13,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:09:13,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:09:13,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:09:13,657 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 01:09:13,701 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:09:13,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:09:13,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:09:13,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:09:13,711 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:09:13,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:09:13,712 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:09:13,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:09:13,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:09:13,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:09:13,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:09:13,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:09:13,714 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 01:09:13,715 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 01:09:13,715 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:09:13,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:09:13,716 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:09:13,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:09:13,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:09:13,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:09:13,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:09:13,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:09:13,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:09:13,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:09:13,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:09:13,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:09:13,718 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 01:09:13,719 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 01:09:13,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:09:13,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:09:13,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 01:09:13,720 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 -> de7eb1b4edf01055c51816e5c7538789ce22635d [2020-10-20 01:09:13,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:09:13,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:09:13,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:09:13,965 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:09:13,966 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:09:13,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2020-10-20 01:09:14,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd681e60/96800b03559748fa8a67bf722eb8f127/FLAGaa9333e62 [2020-10-20 01:09:14,521 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:09:14,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2020-10-20 01:09:14,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd681e60/96800b03559748fa8a67bf722eb8f127/FLAGaa9333e62 [2020-10-20 01:09:14,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd681e60/96800b03559748fa8a67bf722eb8f127 [2020-10-20 01:09:14,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:09:14,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:09:14,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:09:14,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:09:14,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:09:14,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:09:14" (1/1) ... [2020-10-20 01:09:14,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19520486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:14, skipping insertion in model container [2020-10-20 01:09:14,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:09:14" (1/1) ... [2020-10-20 01:09:14,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:09:14,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:09:15,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:09:15,209 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:09:15,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:09:15,247 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:09:15,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:15 WrapperNode [2020-10-20 01:09:15,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:09:15,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:09:15,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:09:15,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:09:15,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:15" (1/1) ... [2020-10-20 01:09:15,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:15" (1/1) ... [2020-10-20 01:09:15,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:09:15,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:09:15,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:09:15,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:09:15,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:15" (1/1) ... [2020-10-20 01:09:15,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:15" (1/1) ... [2020-10-20 01:09:15,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:15" (1/1) ... [2020-10-20 01:09:15,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:15" (1/1) ... [2020-10-20 01:09:15,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:15" (1/1) ... [2020-10-20 01:09:15,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:15" (1/1) ... [2020-10-20 01:09:15,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:15" (1/1) ... [2020-10-20 01:09:15,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:09:15,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:09:15,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:09:15,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:09:15,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:15" (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 [2020-10-20 01:09:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:09:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:09:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 01:09:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:09:15,585 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:09:15,586 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-20 01:09:15,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:09:15 BoogieIcfgContainer [2020-10-20 01:09:15,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:09:15,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:09:15,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:09:15,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:09:15,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:09:14" (1/3) ... [2020-10-20 01:09:15,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f2f49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:09:15, skipping insertion in model container [2020-10-20 01:09:15,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:09:15" (2/3) ... [2020-10-20 01:09:15,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f2f49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:09:15, skipping insertion in model container [2020-10-20 01:09:15,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:09:15" (3/3) ... [2020-10-20 01:09:15,636 INFO L111 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2020-10-20 01:09:15,663 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:09:15,675 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 01:09:15,690 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 01:09:15,717 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:09:15,717 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:09:15,717 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:09:15,717 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:09:15,718 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:09:15,718 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:09:15,718 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:09:15,718 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:09:15,730 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-10-20 01:09:15,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-20 01:09:15,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:09:15,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-20 01:09:15,736 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:09:15,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:09:15,741 INFO L82 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2020-10-20 01:09:15,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 01:09:15,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129686520] [2020-10-20 01:09:15,752 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 [2020-10-20 01:09:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:09:15,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 01:09:15,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:09:15,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:09:15,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 01:09:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:09:15,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129686520] [2020-10-20 01:09:15,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:09:15,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-20 01:09:15,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933742368] [2020-10-20 01:09:15,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:09:15,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 01:09:16,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:09:16,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:09:16,004 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 6 states. [2020-10-20 01:09:16,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:09:16,097 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2020-10-20 01:09:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:09:16,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2020-10-20 01:09:16,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:09:16,109 INFO L225 Difference]: With dead ends: 25 [2020-10-20 01:09:16,110 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:09:16,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:09:16,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:09:16,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:09:16,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:09:16,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:09:16,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-10-20 01:09:16,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:09:16,138 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:09:16,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:09:16,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:09:16,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:09:16,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 01:09:16,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:09:16,442 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:09:16,443 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))) [2020-10-20 01:09:16,443 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)) [2020-10-20 01:09:16,443 INFO L274 CegarLoopResult]: For program point L13-3(lines 13 15) no Hoare annotation was computed. [2020-10-20 01:09:16,444 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-10-20 01:09:16,444 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:09:16,444 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:09:16,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:09:16,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:09:16,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:09:16,445 INFO L274 CegarLoopResult]: For program point L6(lines 6 8) no Hoare annotation was computed. [2020-10-20 01:09:16,445 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))) [2020-10-20 01:09:16,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:09:16 BoogieIcfgContainer [2020-10-20 01:09:16,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:09:16,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:09:16,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:09:16,460 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:09:16,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:09:15" (3/4) ... [2020-10-20 01:09:16,465 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:09:16,476 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-20 01:09:16,476 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-20 01:09:16,476 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:09:16,477 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:09:16,520 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:09:16,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:09:16,523 INFO L168 Benchmark]: Toolchain (without parser) took 1619.59 ms. Allocated memory was 37.7 MB in the beginning and 48.2 MB in the end (delta: 10.5 MB). Free memory was 14.4 MB in the beginning and 13.5 MB in the end (delta: 809.6 kB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:16,524 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 37.7 MB. Free memory is still 18.0 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:09:16,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.96 ms. Allocated memory was 37.7 MB in the beginning and 45.1 MB in the end (delta: 7.3 MB). Free memory was 13.5 MB in the beginning and 29.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:16,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.33 ms. Allocated memory is still 45.1 MB. Free memory was 29.1 MB in the beginning and 27.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:16,526 INFO L168 Benchmark]: Boogie Preprocessor took 32.92 ms. Allocated memory is still 45.1 MB. Free memory was 27.5 MB in the beginning and 26.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:16,527 INFO L168 Benchmark]: RCFGBuilder took 276.11 ms. Allocated memory is still 45.1 MB. Free memory was 26.1 MB in the beginning and 14.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:16,527 INFO L168 Benchmark]: TraceAbstraction took 843.39 ms. Allocated memory was 47.7 MB in the beginning and 48.2 MB in the end (delta: 524.3 kB). Free memory was 29.8 MB in the beginning and 16.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:16,528 INFO L168 Benchmark]: Witness Printer took 60.63 ms. Allocated memory is still 48.2 MB. Free memory was 16.2 MB in the beginning and 13.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:09:16,532 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 37.7 MB. Free memory is still 18.0 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 338.96 ms. Allocated memory was 37.7 MB in the beginning and 45.1 MB in the end (delta: 7.3 MB). Free memory was 13.5 MB in the beginning and 29.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 32.33 ms. Allocated memory is still 45.1 MB. Free memory was 29.1 MB in the beginning and 27.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 32.92 ms. Allocated memory is still 45.1 MB. Free memory was 27.5 MB in the beginning and 26.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 276.11 ms. Allocated memory is still 45.1 MB. Free memory was 26.1 MB in the beginning and 14.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 843.39 ms. Allocated memory was 47.7 MB in the beginning and 48.2 MB in the end (delta: 524.3 kB). Free memory was 29.8 MB in the beginning and 16.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 14.3 GB. * Witness Printer took 60.63 ms. Allocated memory is still 48.2 MB. Free memory was 16.2 MB in the beginning and 13.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 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: 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: 0.6s, 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, 0.0s 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...