./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash c4f7d34c4a0552e58d85f842956bb328d1bfb90d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:27:30,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 04:27:30,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 04:27:30,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 04:27:30,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 04:27:30,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 04:27:30,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 04:27:30,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 04:27:30,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 04:27:30,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 04:27:30,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 04:27:30,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 04:27:30,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 04:27:30,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 04:27:30,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 04:27:30,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 04:27:30,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 04:27:30,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 04:27:30,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 04:27:30,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 04:27:30,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 04:27:30,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 04:27:30,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 04:27:30,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 04:27:30,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 04:27:30,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 04:27:30,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 04:27:30,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 04:27:30,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 04:27:30,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 04:27:30,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 04:27:30,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 04:27:30,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 04:27:30,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 04:27:30,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 04:27:30,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 04:27:30,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 04:27:30,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 04:27:30,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 04:27:30,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 04:27:30,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 04:27:30,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-20 04:27:30,962 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 04:27:30,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 04:27:30,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 04:27:30,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 04:27:30,964 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 04:27:30,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 04:27:30,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 04:27:30,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 04:27:30,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 04:27:30,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 04:27:30,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 04:27:30,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 04:27:30,966 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 04:27:30,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 04:27:30,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 04:27:30,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 04:27:30,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 04:27:30,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 04:27:30,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 04:27:30,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 04:27:30,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 04:27:30,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 04:27:30,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 04:27:30,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 04:27:30,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 04:27:30,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 04:27:30,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 04:27:30,970 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4f7d34c4a0552e58d85f842956bb328d1bfb90d [2020-10-20 04:27:31,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 04:27:31,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 04:27:31,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 04:27:31,197 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 04:27:31,197 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 04:27:31,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2020-10-20 04:27:31,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a88cf66/706f2720f0d54ff1ba4a9285169acb61/FLAGdd2a345c0 [2020-10-20 04:27:32,013 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 04:27:32,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2020-10-20 04:27:32,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a88cf66/706f2720f0d54ff1ba4a9285169acb61/FLAGdd2a345c0 [2020-10-20 04:27:32,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60a88cf66/706f2720f0d54ff1ba4a9285169acb61 [2020-10-20 04:27:32,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 04:27:32,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 04:27:32,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 04:27:32,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 04:27:32,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 04:27:32,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 04:27:32" (1/1) ... [2020-10-20 04:27:32,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b529ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:27:32, skipping insertion in model container [2020-10-20 04:27:32,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 04:27:32" (1/1) ... [2020-10-20 04:27:32,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 04:27:32,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 04:27:33,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 04:27:33,167 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 04:27:33,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 04:27:33,470 INFO L208 MainTranslator]: Completed translation [2020-10-20 04:27:33,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:27:33 WrapperNode [2020-10-20 04:27:33,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 04:27:33,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 04:27:33,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 04:27:33,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 04:27:33,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:27:33" (1/1) ... [2020-10-20 04:27:33,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:27:33" (1/1) ... [2020-10-20 04:27:33,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 04:27:33,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 04:27:33,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 04:27:33,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 04:27:33,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:27:33" (1/1) ... [2020-10-20 04:27:33,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:27:33" (1/1) ... [2020-10-20 04:27:33,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:27:33" (1/1) ... [2020-10-20 04:27:33,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:27:33" (1/1) ... [2020-10-20 04:27:33,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:27:33" (1/1) ... [2020-10-20 04:27:33,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:27:33" (1/1) ... [2020-10-20 04:27:33,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:27:33" (1/1) ... [2020-10-20 04:27:33,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 04:27:33,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 04:27:33,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 04:27:33,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 04:27:33,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:27:33" (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 04:27:33,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 04:27:33,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 04:27:33,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 04:27:33,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 04:27:33,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 04:27:33,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 04:27:33,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 04:27:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 04:27:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 04:27:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 04:27:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 04:27:34,821 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 04:27:34,821 INFO L298 CfgBuilder]: Removed 114 assume(true) statements. [2020-10-20 04:27:34,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 04:27:34 BoogieIcfgContainer [2020-10-20 04:27:34,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 04:27:34,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 04:27:34,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 04:27:34,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 04:27:34,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 04:27:32" (1/3) ... [2020-10-20 04:27:34,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de041b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 04:27:34, skipping insertion in model container [2020-10-20 04:27:34,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 04:27:33" (2/3) ... [2020-10-20 04:27:34,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de041b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 04:27:34, skipping insertion in model container [2020-10-20 04:27:34,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 04:27:34" (3/3) ... [2020-10-20 04:27:34,832 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2020-10-20 04:27:34,844 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 04:27:34,851 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 04:27:34,866 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 04:27:34,892 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 04:27:34,892 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 04:27:34,892 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 04:27:34,892 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 04:27:34,893 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 04:27:34,893 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 04:27:34,893 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 04:27:34,893 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 04:27:34,909 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-10-20 04:27:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 04:27:34,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 04:27:34,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 04:27:34,916 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 04:27:34,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 04:27:34,921 INFO L82 PathProgramCache]: Analyzing trace with hash -197112078, now seen corresponding path program 1 times [2020-10-20 04:27:34,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 04:27:34,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363996242] [2020-10-20 04:27:34,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 04:27:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 04:27:35,251 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 04:27:35,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363996242] [2020-10-20 04:27:35,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 04:27:35,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 04:27:35,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817037907] [2020-10-20 04:27:35,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 04:27:35,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 04:27:35,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 04:27:35,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 04:27:35,286 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 3 states. [2020-10-20 04:27:35,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 04:27:35,433 INFO L93 Difference]: Finished difference Result 201 states and 270 transitions. [2020-10-20 04:27:35,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 04:27:35,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-20 04:27:35,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 04:27:35,462 INFO L225 Difference]: With dead ends: 201 [2020-10-20 04:27:35,462 INFO L226 Difference]: Without dead ends: 101 [2020-10-20 04:27:35,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 04:27:35,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-20 04:27:35,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-20 04:27:35,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-20 04:27:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 126 transitions. [2020-10-20 04:27:35,546 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 126 transitions. Word has length 16 [2020-10-20 04:27:35,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 04:27:35,547 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 126 transitions. [2020-10-20 04:27:35,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 04:27:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2020-10-20 04:27:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 04:27:35,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 04:27:35,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 04:27:35,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 04:27:35,552 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 04:27:35,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 04:27:35,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1640536960, now seen corresponding path program 1 times [2020-10-20 04:27:35,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 04:27:35,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676699584] [2020-10-20 04:27:35,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 04:27:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 04:27:35,736 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 04:27:35,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676699584] [2020-10-20 04:27:35,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 04:27:35,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 04:27:35,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857111836] [2020-10-20 04:27:35,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 04:27:35,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 04:27:35,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 04:27:35,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 04:27:35,744 INFO L87 Difference]: Start difference. First operand 101 states and 126 transitions. Second operand 3 states. [2020-10-20 04:27:35,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 04:27:35,789 INFO L93 Difference]: Finished difference Result 111 states and 134 transitions. [2020-10-20 04:27:35,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 04:27:35,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 04:27:35,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 04:27:35,792 INFO L225 Difference]: With dead ends: 111 [2020-10-20 04:27:35,792 INFO L226 Difference]: Without dead ends: 106 [2020-10-20 04:27:35,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 04:27:35,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-20 04:27:35,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 101. [2020-10-20 04:27:35,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-20 04:27:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 125 transitions. [2020-10-20 04:27:35,806 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 125 transitions. Word has length 24 [2020-10-20 04:27:35,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 04:27:35,807 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 125 transitions. [2020-10-20 04:27:35,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 04:27:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 125 transitions. [2020-10-20 04:27:35,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 04:27:35,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 04:27:35,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 04:27:35,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 04:27:35,809 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 04:27:35,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 04:27:35,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1583278658, now seen corresponding path program 1 times [2020-10-20 04:27:35,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 04:27:35,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905646629] [2020-10-20 04:27:35,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 04:27:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 04:27:35,876 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 04:27:35,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905646629] [2020-10-20 04:27:35,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 04:27:35,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 04:27:35,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107196993] [2020-10-20 04:27:35,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 04:27:35,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 04:27:35,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 04:27:35,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 04:27:35,879 INFO L87 Difference]: Start difference. First operand 101 states and 125 transitions. Second operand 3 states. [2020-10-20 04:27:35,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 04:27:35,888 INFO L93 Difference]: Finished difference Result 101 states and 125 transitions. [2020-10-20 04:27:35,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 04:27:35,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 04:27:35,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 04:27:35,889 INFO L225 Difference]: With dead ends: 101 [2020-10-20 04:27:35,889 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 04:27:35,890 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 04:27:35,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 04:27:35,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 04:27:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 04:27:35,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 04:27:35,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-20 04:27:35,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 04:27:35,892 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 04:27:35,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 04:27:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 04:27:35,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 04:27:35,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 04:27:35,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 04:27:36,312 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-10-20 04:27:36,441 INFO L274 CegarLoopResult]: For program point L3041(lines 3041 3072) no Hoare annotation was computed. [2020-10-20 04:27:36,441 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 04:27:36,442 INFO L270 CegarLoopResult]: At program point L2877(lines 2871 2879) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,442 INFO L270 CegarLoopResult]: At program point L3208(lines 3207 3209) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,442 INFO L270 CegarLoopResult]: At program point L3208-2(lines 3207 3209) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,442 INFO L270 CegarLoopResult]: At program point L3208-1(lines 3207 3209) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,443 INFO L274 CegarLoopResult]: For program point L3043(lines 3043 3069) no Hoare annotation was computed. [2020-10-20 04:27:36,443 INFO L274 CegarLoopResult]: For program point L2961(lines 2961 2966) no Hoare annotation was computed. [2020-10-20 04:27:36,443 INFO L270 CegarLoopResult]: At program point L2895(lines 2889 2897) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,443 INFO L270 CegarLoopResult]: At program point L3242(lines 3241 3243) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,443 INFO L274 CegarLoopResult]: For program point L3044(line 3044) no Hoare annotation was computed. [2020-10-20 04:27:36,443 INFO L270 CegarLoopResult]: At program point L3077(lines 3033 3082) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,444 INFO L270 CegarLoopResult]: At program point L3226(lines 3225 3227) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,444 INFO L270 CegarLoopResult]: At program point L3061(lines 3187 3190) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2020-10-20 04:27:36,444 INFO L274 CegarLoopResult]: For program point L2929(lines 2929 2933) no Hoare annotation was computed. [2020-10-20 04:27:36,444 INFO L274 CegarLoopResult]: For program point L2929-2(lines 2920 2934) no Hoare annotation was computed. [2020-10-20 04:27:36,444 INFO L274 CegarLoopResult]: For program point L3045(lines 3045 3050) no Hoare annotation was computed. [2020-10-20 04:27:36,444 INFO L270 CegarLoopResult]: At program point L3211(lines 3210 3212) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,445 INFO L270 CegarLoopResult]: At program point L2766(lines 2761 2768) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,445 INFO L270 CegarLoopResult]: At program point L3245-1(lines 3244 3246) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,446 INFO L270 CegarLoopResult]: At program point L3245(lines 2954 2959) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,446 INFO L270 CegarLoopResult]: At program point L2766-1(lines 2761 2768) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,446 INFO L270 CegarLoopResult]: At program point L3245-3(lines 3244 3246) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,446 INFO L270 CegarLoopResult]: At program point L3245-2(lines 3244 3246) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,447 INFO L270 CegarLoopResult]: At program point L3245-5(lines 3244 3246) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,447 INFO L270 CegarLoopResult]: At program point L3245-4(lines 3244 3246) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,447 INFO L270 CegarLoopResult]: At program point L3014(lines 2942 3016) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,448 INFO L274 CegarLoopResult]: For program point L2981(lines 2981 2988) no Hoare annotation was computed. [2020-10-20 04:27:36,448 INFO L277 CegarLoopResult]: At program point L2849-1(lines 2848 2851) the Hoare annotation is: true [2020-10-20 04:27:36,448 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 04:27:36,448 INFO L277 CegarLoopResult]: At program point L2849(lines 2848 2851) the Hoare annotation is: true [2020-10-20 04:27:36,448 INFO L270 CegarLoopResult]: At program point L3196(lines 3195 3197) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,449 INFO L277 CegarLoopResult]: At program point L3081(lines 3029 3083) the Hoare annotation is: true [2020-10-20 04:27:36,449 INFO L274 CegarLoopResult]: For program point L2784(lines 2784 2791) no Hoare annotation was computed. [2020-10-20 04:27:36,449 INFO L274 CegarLoopResult]: For program point L2784-2(lines 2784 2791) no Hoare annotation was computed. [2020-10-20 04:27:36,449 INFO L270 CegarLoopResult]: At program point L3230(lines 3229 3231) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,450 INFO L274 CegarLoopResult]: For program point L2784-1(lines 2784 2791) no Hoare annotation was computed. [2020-10-20 04:27:36,450 INFO L270 CegarLoopResult]: At program point L2751(lines 2746 2753) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,450 INFO L274 CegarLoopResult]: For program point L2784-4(lines 2784 2791) no Hoare annotation was computed. [2020-10-20 04:27:36,450 INFO L274 CegarLoopResult]: For program point L2784-3(lines 2784 2791) no Hoare annotation was computed. [2020-10-20 04:27:36,451 INFO L270 CegarLoopResult]: At program point L3214(lines 3213 3215) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,451 INFO L270 CegarLoopResult]: At program point L2868(lines 2862 2870) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,451 INFO L270 CegarLoopResult]: At program point L3248(lines 3247 3249) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,451 INFO L270 CegarLoopResult]: At program point L3248-1(lines 3247 3249) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,452 INFO L270 CegarLoopResult]: At program point L3199(lines 2911 2938) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,452 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 04:27:36,452 INFO L274 CegarLoopResult]: For program point L3067(line 3067) no Hoare annotation was computed. [2020-10-20 04:27:36,452 INFO L274 CegarLoopResult]: For program point L3001(lines 3001 3005) no Hoare annotation was computed. [2020-10-20 04:27:36,452 INFO L274 CegarLoopResult]: For program point L3001-2(lines 2950 3015) no Hoare annotation was computed. [2020-10-20 04:27:36,453 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-10-20 04:27:36,453 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-20 04:27:36,453 INFO L270 CegarLoopResult]: At program point L2886(lines 2880 2888) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,453 INFO L274 CegarLoopResult]: For program point L3052(line 3052) no Hoare annotation was computed. [2020-10-20 04:27:36,454 INFO L274 CegarLoopResult]: For program point L2920(lines 2920 2934) no Hoare annotation was computed. [2020-10-20 04:27:36,454 INFO L270 CegarLoopResult]: At program point L3234(lines 3233 3235) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,454 INFO L274 CegarLoopResult]: For program point L2970(lines 2970 2990) no Hoare annotation was computed. [2020-10-20 04:27:36,454 INFO L274 CegarLoopResult]: For program point L2970-2(lines 2970 2990) no Hoare annotation was computed. [2020-10-20 04:27:36,454 INFO L270 CegarLoopResult]: At program point L3218(lines 3217 3219) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,455 INFO L274 CegarLoopResult]: For program point L3053(lines 3053 3065) no Hoare annotation was computed. [2020-10-20 04:27:36,455 INFO L270 CegarLoopResult]: At program point L3202(lines 3201 3203) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,455 INFO L270 CegarLoopResult]: At program point L3202-1(lines 3201 3203) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,455 INFO L274 CegarLoopResult]: For program point L2922(lines 2922 2926) no Hoare annotation was computed. [2020-10-20 04:27:36,456 INFO L270 CegarLoopResult]: At program point L2790(lines 2777 2793) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,456 INFO L270 CegarLoopResult]: At program point L2790-2(lines 2777 2793) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,456 INFO L270 CegarLoopResult]: At program point L2790-1(lines 2777 2793) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,456 INFO L270 CegarLoopResult]: At program point L2790-4(lines 2777 2793) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,457 INFO L270 CegarLoopResult]: At program point L2790-3(lines 2777 2793) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,457 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 04:27:36,457 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 04:27:36,458 INFO L274 CegarLoopResult]: For program point L2774(lines 2774 2776) no Hoare annotation was computed. [2020-10-20 04:27:36,458 INFO L274 CegarLoopResult]: For program point L2774-2(lines 2774 2776) no Hoare annotation was computed. [2020-10-20 04:27:36,458 INFO L274 CegarLoopResult]: For program point L2774-1(lines 2774 2776) no Hoare annotation was computed. [2020-10-20 04:27:36,458 INFO L274 CegarLoopResult]: For program point L2774-4(lines 2774 2776) no Hoare annotation was computed. [2020-10-20 04:27:36,458 INFO L274 CegarLoopResult]: For program point L2774-3(lines 2774 2776) no Hoare annotation was computed. [2020-10-20 04:27:36,459 INFO L277 CegarLoopResult]: At program point L3187(lines 3184 3193) the Hoare annotation is: true [2020-10-20 04:27:36,459 INFO L274 CegarLoopResult]: For program point L3088(line 3088) no Hoare annotation was computed. [2020-10-20 04:27:36,459 INFO L274 CegarLoopResult]: For program point L3055(lines 3055 3058) no Hoare annotation was computed. [2020-10-20 04:27:36,459 INFO L274 CegarLoopResult]: For program point L3055-2(lines 3053 3064) no Hoare annotation was computed. [2020-10-20 04:27:36,460 INFO L270 CegarLoopResult]: At program point L2758(lines 2754 2760) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,460 INFO L270 CegarLoopResult]: At program point L2758-1(lines 2754 2760) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,460 INFO L274 CegarLoopResult]: For program point L3039(lines 3039 3076) no Hoare annotation was computed. [2020-10-20 04:27:36,460 INFO L274 CegarLoopResult]: For program point L2775(line 2775) no Hoare annotation was computed. [2020-10-20 04:27:36,460 INFO L274 CegarLoopResult]: For program point L2775-2(line 2775) no Hoare annotation was computed. [2020-10-20 04:27:36,461 INFO L274 CegarLoopResult]: For program point L2775-4(line 2775) no Hoare annotation was computed. [2020-10-20 04:27:36,461 INFO L274 CegarLoopResult]: For program point L2775-6(line 2775) no Hoare annotation was computed. [2020-10-20 04:27:36,461 INFO L270 CegarLoopResult]: At program point L3023(lines 3017 3025) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,461 INFO L274 CegarLoopResult]: For program point L2775-8(line 2775) no Hoare annotation was computed. [2020-10-20 04:27:36,462 INFO L270 CegarLoopResult]: At program point L3238(lines 3237 3239) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,462 INFO L270 CegarLoopResult]: At program point L3205(lines 3204 3206) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,462 INFO L274 CegarLoopResult]: For program point L3040(line 3040) no Hoare annotation was computed. [2020-10-20 04:27:36,462 INFO L270 CegarLoopResult]: At program point L3222(lines 3221 3223) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,463 INFO L270 CegarLoopResult]: At program point L3255(lines 3254 3256) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,463 INFO L270 CegarLoopResult]: At program point L2743(lines 2739 2745) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,463 INFO L270 CegarLoopResult]: At program point L2727(lines 2724 2729) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2020-10-20 04:27:36,463 INFO L274 CegarLoopResult]: For program point L3074(line 3074) no Hoare annotation was computed. [2020-10-20 04:27:36,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 04:27:36 BoogieIcfgContainer [2020-10-20 04:27:36,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 04:27:36,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 04:27:36,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 04:27:36,499 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 04:27:36,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 04:27:34" (3/4) ... [2020-10-20 04:27:36,504 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 04:27:36,544 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2020-10-20 04:27:36,546 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2020-10-20 04:27:36,548 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-20 04:27:36,549 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 04:27:36,550 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 04:27:36,734 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 04:27:36,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 04:27:36,736 INFO L168 Benchmark]: Toolchain (without parser) took 4621.53 ms. Allocated memory was 35.1 MB in the beginning and 79.7 MB in the end (delta: 44.6 MB). Free memory was 8.4 MB in the beginning and 39.2 MB in the end (delta: -30.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 14.3 GB. [2020-10-20 04:27:36,737 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 33.0 MB. Free memory was 18.4 MB in the beginning and 18.3 MB in the end (delta: 31.0 kB). Peak memory consumption was 31.0 kB. Max. memory is 14.3 GB. [2020-10-20 04:27:36,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1349.20 ms. Allocated memory was 35.1 MB in the beginning and 48.2 MB in the end (delta: 13.1 MB). Free memory was 7.6 MB in the beginning and 8.5 MB in the end (delta: -920.5 kB). Peak memory consumption was 13.2 MB. Max. memory is 14.3 GB. [2020-10-20 04:27:36,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.91 ms. Allocated memory was 48.2 MB in the beginning and 49.8 MB in the end (delta: 1.6 MB). Free memory was 8.5 MB in the beginning and 24.8 MB in the end (delta: -16.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 04:27:36,739 INFO L168 Benchmark]: Boogie Preprocessor took 98.62 ms. Allocated memory is still 49.8 MB. Free memory was 24.8 MB in the beginning and 20.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. [2020-10-20 04:27:36,740 INFO L168 Benchmark]: RCFGBuilder took 1096.70 ms. Allocated memory was 49.8 MB in the beginning and 57.7 MB in the end (delta: 7.9 MB). Free memory was 20.0 MB in the beginning and 23.8 MB in the end (delta: -3.8 MB). Peak memory consumption was 17.4 MB. Max. memory is 14.3 GB. [2020-10-20 04:27:36,740 INFO L168 Benchmark]: TraceAbstraction took 1672.62 ms. Allocated memory was 57.7 MB in the beginning and 75.5 MB in the end (delta: 17.8 MB). Free memory was 23.3 MB in the beginning and 24.0 MB in the end (delta: -697.6 kB). Peak memory consumption was 28.4 MB. Max. memory is 14.3 GB. [2020-10-20 04:27:36,741 INFO L168 Benchmark]: Witness Printer took 236.34 ms. Allocated memory was 75.5 MB in the beginning and 79.7 MB in the end (delta: 4.2 MB). Free memory was 24.0 MB in the beginning and 39.2 MB in the end (delta: -15.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. [2020-10-20 04:27:36,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 33.0 MB. Free memory was 18.4 MB in the beginning and 18.3 MB in the end (delta: 31.0 kB). Peak memory consumption was 31.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1349.20 ms. Allocated memory was 35.1 MB in the beginning and 48.2 MB in the end (delta: 13.1 MB). Free memory was 7.6 MB in the beginning and 8.5 MB in the end (delta: -920.5 kB). Peak memory consumption was 13.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 155.91 ms. Allocated memory was 48.2 MB in the beginning and 49.8 MB in the end (delta: 1.6 MB). Free memory was 8.5 MB in the beginning and 24.8 MB in the end (delta: -16.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 98.62 ms. Allocated memory is still 49.8 MB. Free memory was 24.8 MB in the beginning and 20.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1096.70 ms. Allocated memory was 49.8 MB in the beginning and 57.7 MB in the end (delta: 7.9 MB). Free memory was 20.0 MB in the beginning and 23.8 MB in the end (delta: -3.8 MB). Peak memory consumption was 17.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1672.62 ms. Allocated memory was 57.7 MB in the beginning and 75.5 MB in the end (delta: 17.8 MB). Free memory was 23.3 MB in the beginning and 24.0 MB in the end (delta: -697.6 kB). Peak memory consumption was 28.4 MB. Max. memory is 14.3 GB. * Witness Printer took 236.34 ms. Allocated memory was 75.5 MB in the beginning and 79.7 MB in the end (delta: 4.2 MB). Free memory was 24.0 MB in the beginning and 39.2 MB in the end (delta: -15.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 2777]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2777]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2777]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3213]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2911]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3217]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2777]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3195]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2777]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2739]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3221]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 3187]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 3210]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3207]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 3244]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2862]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3207]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3244]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3229]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3247]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2942]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2880]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2754]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3225]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3247]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2754]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3207]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2954]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2761]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3233]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2761]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3244]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3244]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3244]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3029]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3204]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 3237]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3241]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2724]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2871]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3017]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2889]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 336 SDtfs, 285 SDslu, 32 SDs, 0 SdLazy, 17 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=1, 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, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 102 NumberOfFragments, 439 HoareAnnotationTreeSize, 50 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 50 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 2399 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...