./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/byte_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/byte_add-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 409f93cc3fb27e0335e986593862ddeb482b815c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 11:25:25,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 11:25:25,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 11:25:25,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 11:25:25,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 11:25:25,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 11:25:25,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 11:25:25,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 11:25:25,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 11:25:25,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 11:25:25,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 11:25:25,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 11:25:25,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 11:25:25,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 11:25:25,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 11:25:25,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 11:25:25,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 11:25:25,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 11:25:25,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 11:25:25,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 11:25:25,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 11:25:25,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 11:25:25,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 11:25:25,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 11:25:25,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 11:25:25,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 11:25:25,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 11:25:25,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 11:25:25,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 11:25:25,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 11:25:25,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 11:25:25,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 11:25:25,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 11:25:25,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 11:25:25,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 11:25:25,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 11:25:25,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 11:25:25,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 11:25:25,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 11:25:25,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 11:25:25,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 11:25:25,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-08-27 11:25:25,757 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 11:25:25,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 11:25:25,757 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 11:25:25,757 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 11:25:25,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 11:25:25,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 11:25:25,759 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 11:25:25,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 11:25:25,759 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 11:25:25,759 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 11:25:25,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 11:25:25,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 11:25:25,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 11:25:25,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-27 11:25:25,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 11:25:25,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-27 11:25:25,761 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-27 11:25:25,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 11:25:25,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 11:25:25,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 11:25:25,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-27 11:25:25,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 11:25:25,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 11:25:25,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 11:25:25,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:25:25,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 11:25:25,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 11:25:25,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-27 11:25:25,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 11:25:25,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 11:25:25,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-27 11:25:25,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 11:25:25,772 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 409f93cc3fb27e0335e986593862ddeb482b815c [2021-08-27 11:25:26,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 11:25:26,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 11:25:26,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 11:25:26,061 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 11:25:26,062 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 11:25:26,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/byte_add-1.i [2021-08-27 11:25:26,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/534a3d5a3/c6f448310d754f7cae06601203488f03/FLAG40e2ead6b [2021-08-27 11:25:26,563 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 11:25:26,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/byte_add-1.i [2021-08-27 11:25:26,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/534a3d5a3/c6f448310d754f7cae06601203488f03/FLAG40e2ead6b [2021-08-27 11:25:26,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/534a3d5a3/c6f448310d754f7cae06601203488f03 [2021-08-27 11:25:26,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 11:25:26,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 11:25:26,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 11:25:26,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 11:25:26,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 11:25:26,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:25:26" (1/1) ... [2021-08-27 11:25:26,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41418556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:26, skipping insertion in model container [2021-08-27 11:25:26,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:25:26" (1/1) ... [2021-08-27 11:25:26,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 11:25:26,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 11:25:26,773 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/byte_add-1.i[861,874] [2021-08-27 11:25:26,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:25:26,824 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 11:25:26,861 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/byte_add-1.i[861,874] [2021-08-27 11:25:26,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:25:26,917 INFO L208 MainTranslator]: Completed translation [2021-08-27 11:25:26,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:26 WrapperNode [2021-08-27 11:25:26,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 11:25:26,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 11:25:26,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 11:25:26,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 11:25:26,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:26" (1/1) ... [2021-08-27 11:25:26,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:26" (1/1) ... [2021-08-27 11:25:26,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 11:25:26,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 11:25:26,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 11:25:26,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 11:25:26,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:26" (1/1) ... [2021-08-27 11:25:26,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:26" (1/1) ... [2021-08-27 11:25:26,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:26" (1/1) ... [2021-08-27 11:25:26,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:26" (1/1) ... [2021-08-27 11:25:27,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:26" (1/1) ... [2021-08-27 11:25:27,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:26" (1/1) ... [2021-08-27 11:25:27,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:26" (1/1) ... [2021-08-27 11:25:27,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 11:25:27,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 11:25:27,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 11:25:27,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 11:25:27,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:26" (1/1) ... [2021-08-27 11:25:27,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:25:27,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 11:25:27,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-27 11:25:27,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-27 11:25:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 11:25:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 11:25:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 11:25:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 11:25:27,619 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 11:25:27,620 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-27 11:25:27,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:25:27 BoogieIcfgContainer [2021-08-27 11:25:27,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 11:25:27,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 11:25:27,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 11:25:27,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 11:25:27,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:25:26" (1/3) ... [2021-08-27 11:25:27,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2252877e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:25:27, skipping insertion in model container [2021-08-27 11:25:27,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:26" (2/3) ... [2021-08-27 11:25:27,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2252877e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:25:27, skipping insertion in model container [2021-08-27 11:25:27,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:25:27" (3/3) ... [2021-08-27 11:25:27,628 INFO L111 eAbstractionObserver]: Analyzing ICFG byte_add-1.i [2021-08-27 11:25:27,632 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 11:25:27,632 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-08-27 11:25:27,668 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 11:25:27,673 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-27 11:25:27,673 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-08-27 11:25:27,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 73 states have (on average 1.904109589041096) internal successors, (139), 109 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:25:27,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-08-27 11:25:27,689 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 11:25:27,690 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-08-27 11:25:27,690 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-08-27 11:25:27,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 11:25:27,700 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-08-27 11:25:27,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 11:25:27,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457847654] [2021-08-27 11:25:27,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 11:25:27,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 11:25:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 11:25:27,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 11:25:27,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 11:25:27,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457847654] [2021-08-27 11:25:27,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457847654] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 11:25:27,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 11:25:27,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-27 11:25:27,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912157626] [2021-08-27 11:25:27,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-27 11:25:27,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 11:25:27,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-27 11:25:27,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-27 11:25:27,847 INFO L87 Difference]: Start difference. First operand has 110 states, 73 states have (on average 1.904109589041096) internal successors, (139), 109 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:25:27,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 11:25:27,870 INFO L93 Difference]: Finished difference Result 128 states and 169 transitions. [2021-08-27 11:25:27,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 11:25:27,871 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-08-27 11:25:27,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 11:25:27,875 INFO L225 Difference]: With dead ends: 128 [2021-08-27 11:25:27,875 INFO L226 Difference]: Without dead ends: 0 [2021-08-27 11:25:27,879 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-27 11:25:27,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-27 11:25:27,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-27 11:25:27,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:25:27,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 11:25:27,899 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-08-27 11:25:27,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 11:25:27,900 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 11:25:27,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 11:25:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-27 11:25:27,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-27 11:25:27,903 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,903 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,906 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,907 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,907 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,907 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,907 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,907 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,908 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,908 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,908 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,908 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,910 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,910 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,910 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,911 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,912 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,915 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:27,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-27 11:25:27,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-27 11:25:27,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:25:27,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:25:27,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:25:27,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:25:27,941 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2021-08-27 11:25:27,941 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 105) no Hoare annotation was computed. [2021-08-27 11:25:27,941 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-08-27 11:25:27,941 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-08-27 11:25:27,941 INFO L857 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2021-08-27 11:25:27,942 INFO L857 garLoopResultBuilder]: For program point L52-1(line 52) no Hoare annotation was computed. [2021-08-27 11:25:27,942 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2021-08-27 11:25:27,942 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 99 106) no Hoare annotation was computed. [2021-08-27 11:25:27,943 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-27 11:25:27,943 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 58) no Hoare annotation was computed. [2021-08-27 11:25:27,943 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 84) no Hoare annotation was computed. [2021-08-27 11:25:27,944 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2021-08-27 11:25:27,944 INFO L857 garLoopResultBuilder]: For program point L103-1(line 103) no Hoare annotation was computed. [2021-08-27 11:25:27,946 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-08-27 11:25:27,947 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 72 97) no Hoare annotation was computed. [2021-08-27 11:25:27,947 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-08-27 11:25:27,947 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 84) no Hoare annotation was computed. [2021-08-27 11:25:27,948 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2021-08-27 11:25:27,948 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2021-08-27 11:25:27,949 INFO L857 garLoopResultBuilder]: For program point L55(lines 55 57) no Hoare annotation was computed. [2021-08-27 11:25:27,949 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2021-08-27 11:25:27,949 INFO L857 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2021-08-27 11:25:27,950 INFO L860 garLoopResultBuilder]: At program point L72-2(lines 72 97) the Hoare annotation is: true [2021-08-27 11:25:27,950 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2021-08-27 11:25:27,951 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-27 11:25:27,951 INFO L857 garLoopResultBuilder]: For program point L56-1(line 56) no Hoare annotation was computed. [2021-08-27 11:25:27,951 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 96) no Hoare annotation was computed. [2021-08-27 11:25:27,951 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2021-08-27 11:25:27,952 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-27 11:25:27,952 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 72 97) no Hoare annotation was computed. [2021-08-27 11:25:27,952 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 96) no Hoare annotation was computed. [2021-08-27 11:25:27,953 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2021-08-27 11:25:27,953 INFO L857 garLoopResultBuilder]: For program point L108(line 108) no Hoare annotation was computed. [2021-08-27 11:25:27,953 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 80) no Hoare annotation was computed. [2021-08-27 11:25:27,953 INFO L857 garLoopResultBuilder]: For program point L108-1(line 108) no Hoare annotation was computed. [2021-08-27 11:25:27,953 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 72 97) no Hoare annotation was computed. [2021-08-27 11:25:27,953 INFO L857 garLoopResultBuilder]: For program point L108-2(line 108) no Hoare annotation was computed. [2021-08-27 11:25:27,954 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 83) no Hoare annotation was computed. [2021-08-27 11:25:27,954 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2021-08-27 11:25:27,955 INFO L860 garLoopResultBuilder]: At program point L125(lines 114 126) the Hoare annotation is: true [2021-08-27 11:25:27,955 INFO L857 garLoopResultBuilder]: For program point L92-1(lines 72 97) no Hoare annotation was computed. [2021-08-27 11:25:27,956 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2021-08-27 11:25:27,956 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-08-27 11:25:27,956 INFO L857 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2021-08-27 11:25:27,957 INFO L857 garLoopResultBuilder]: For program point L76-2(line 76) no Hoare annotation was computed. [2021-08-27 11:25:27,957 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2021-08-27 11:25:27,957 INFO L857 garLoopResultBuilder]: For program point L76-4(lines 75 80) no Hoare annotation was computed. [2021-08-27 11:25:27,957 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 72 97) no Hoare annotation was computed. [2021-08-27 11:25:27,957 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 83) no Hoare annotation was computed. [2021-08-27 11:25:27,957 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2021-08-27 11:25:27,958 INFO L860 garLoopResultBuilder]: At program point L110(lines 32 111) the Hoare annotation is: true [2021-08-27 11:25:27,958 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-27 11:25:27,958 INFO L857 garLoopResultBuilder]: For program point L77-1(line 77) no Hoare annotation was computed. [2021-08-27 11:25:27,958 INFO L857 garLoopResultBuilder]: For program point L77-3(lines 75 80) no Hoare annotation was computed. [2021-08-27 11:25:27,959 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2021-08-27 11:25:27,959 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2021-08-27 11:25:27,959 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 69) no Hoare annotation was computed. [2021-08-27 11:25:27,959 INFO L857 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2021-08-27 11:25:27,959 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-27 11:25:27,959 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 61 69) no Hoare annotation was computed. [2021-08-27 11:25:27,960 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-08-27 11:25:27,960 INFO L857 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2021-08-27 11:25:27,960 INFO L857 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-08-27 11:25:27,960 INFO L857 garLoopResultBuilder]: For program point L78-3(lines 75 80) no Hoare annotation was computed. [2021-08-27 11:25:27,961 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2021-08-27 11:25:27,961 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-27 11:25:27,961 INFO L857 garLoopResultBuilder]: For program point L62-1(line 62) no Hoare annotation was computed. [2021-08-27 11:25:27,961 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-08-27 11:25:27,961 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-08-27 11:25:27,961 INFO L857 garLoopResultBuilder]: For program point L79-1(line 79) no Hoare annotation was computed. [2021-08-27 11:25:27,962 INFO L857 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2021-08-27 11:25:27,962 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 68) no Hoare annotation was computed. [2021-08-27 11:25:27,963 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2021-08-27 11:25:27,963 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2021-08-27 11:25:27,963 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-08-27 11:25:27,963 INFO L857 garLoopResultBuilder]: For program point L64-1(line 64) no Hoare annotation was computed. [2021-08-27 11:25:27,963 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2021-08-27 11:25:27,964 INFO L857 garLoopResultBuilder]: For program point L81(lines 72 97) no Hoare annotation was computed. [2021-08-27 11:25:27,964 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2021-08-27 11:25:27,965 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 67) no Hoare annotation was computed. [2021-08-27 11:25:27,965 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-27 11:25:27,965 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2021-08-27 11:25:27,966 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 82) no Hoare annotation was computed. [2021-08-27 11:25:27,966 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-08-27 11:25:27,966 INFO L857 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2021-08-27 11:25:27,966 INFO L857 garLoopResultBuilder]: For program point L82-2(line 82) no Hoare annotation was computed. [2021-08-27 11:25:27,968 INFO L857 garLoopResultBuilder]: For program point L16(lines 16 18) no Hoare annotation was computed. [2021-08-27 11:25:27,968 INFO L857 garLoopResultBuilder]: For program point L82-4(lines 81 86) no Hoare annotation was computed. [2021-08-27 11:25:27,968 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2021-08-27 11:25:27,968 INFO L860 garLoopResultBuilder]: At program point L16-2(lines 15 20) the Hoare annotation is: true [2021-08-27 11:25:27,968 INFO L857 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2021-08-27 11:25:27,969 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 33 111) no Hoare annotation was computed. [2021-08-27 11:25:27,969 INFO L857 garLoopResultBuilder]: For program point L66-1(line 66) no Hoare annotation was computed. [2021-08-27 11:25:27,969 INFO L857 garLoopResultBuilder]: For program point L99-2(lines 99 106) no Hoare annotation was computed. [2021-08-27 11:25:27,969 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2021-08-27 11:25:27,969 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 82) no Hoare annotation was computed. [2021-08-27 11:25:27,970 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-27 11:25:27,972 INFO L857 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2021-08-27 11:25:27,972 INFO L857 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2021-08-27 11:25:27,972 INFO L857 garLoopResultBuilder]: For program point L83-3(lines 81 86) no Hoare annotation was computed. [2021-08-27 11:25:27,972 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-08-27 11:25:27,972 INFO L857 garLoopResultBuilder]: For program point L100-2(lines 99 106) no Hoare annotation was computed. [2021-08-27 11:25:27,972 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 105) no Hoare annotation was computed. [2021-08-27 11:25:27,973 INFO L857 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-08-27 11:25:27,973 INFO L857 garLoopResultBuilder]: For program point L51(lines 51 59) no Hoare annotation was computed. [2021-08-27 11:25:27,973 INFO L857 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-08-27 11:25:27,973 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 51 59) no Hoare annotation was computed. [2021-08-27 11:25:27,973 INFO L857 garLoopResultBuilder]: For program point L84-3(lines 81 86) no Hoare annotation was computed. [2021-08-27 11:25:27,973 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2021-08-27 11:25:27,974 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 99 106) no Hoare annotation was computed. [2021-08-27 11:25:27,979 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 11:25:27,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 11:25:27 BoogieIcfgContainer [2021-08-27 11:25:27,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 11:25:27,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 11:25:27,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 11:25:27,993 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 11:25:27,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:25:27" (3/4) ... [2021-08-27 11:25:27,996 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-27 11:25:28,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-27 11:25:28,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-27 11:25:28,007 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-27 11:25:28,007 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-27 11:25:28,052 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 11:25:28,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 11:25:28,054 INFO L168 Benchmark]: Toolchain (without parser) took 1446.55 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 27.1 MB in the beginning and 42.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:28,055 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 32.2 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:25:28,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.39 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 26.8 MB in the beginning and 49.1 MB in the end (delta: -22.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:28,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.11 ms. Allocated memory is still 67.1 MB. Free memory was 49.1 MB in the beginning and 47.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:28,056 INFO L168 Benchmark]: Boogie Preprocessor took 44.87 ms. Allocated memory is still 67.1 MB. Free memory was 47.0 MB in the beginning and 45.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:25:28,056 INFO L168 Benchmark]: RCFGBuilder took 601.26 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 36.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:28,057 INFO L168 Benchmark]: TraceAbstraction took 367.04 ms. Allocated memory is still 67.1 MB. Free memory was 35.8 MB in the beginning and 47.4 MB in the end (delta: -11.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:28,057 INFO L168 Benchmark]: Witness Printer took 59.81 ms. Allocated memory is still 67.1 MB. Free memory was 47.4 MB in the beginning and 42.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:28,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 32.2 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 307.39 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 26.8 MB in the beginning and 49.1 MB in the end (delta: -22.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.11 ms. Allocated memory is still 67.1 MB. Free memory was 49.1 MB in the beginning and 47.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.87 ms. Allocated memory is still 67.1 MB. Free memory was 47.0 MB in the beginning and 45.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 601.26 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 36.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 367.04 ms. Allocated memory is still 67.1 MB. Free memory was 35.8 MB in the beginning and 47.4 MB in the end (delta: -11.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * Witness Printer took 59.81 ms. Allocated memory is still 67.1 MB. Free memory was 47.4 MB in the beginning and 42.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 311.4ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 6.8ms, AutomataDifference: 47.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 20.6ms, InitialAbstractionConstructionTime: 9.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 100 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 8.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 7 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 7.1ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 8.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 4.2ms SsaConstructionTime, 22.7ms SatisfiabilityAnalysisTime, 37.6ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 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 - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-27 11:25:28,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...