./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/jain_7-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/jain_7-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 876f7945e4fb4974c1e8dba27730dcbf7b8b3ec8 ........................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 19:57:54,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 19:57:54,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 19:57:54,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 19:57:54,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 19:57:54,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 19:57:54,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 19:57:54,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 19:57:54,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 19:57:54,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 19:57:54,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 19:57:54,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 19:57:54,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 19:57:54,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 19:57:54,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 19:57:54,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 19:57:54,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 19:57:54,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 19:57:54,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 19:57:54,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 19:57:54,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 19:57:54,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 19:57:54,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 19:57:54,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 19:57:54,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 19:57:54,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 19:57:54,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 19:57:54,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 19:57:54,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 19:57:54,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 19:57:54,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 19:57:54,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 19:57:54,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 19:57:54,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 19:57:54,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 19:57:54,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 19:57:54,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 19:57:54,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 19:57:54,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 19:57:54,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 19:57:54,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 19:57:54,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 19:57:54,885 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 19:57:54,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 19:57:54,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 19:57:54,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 19:57:54,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 19:57:54,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 19:57:54,888 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 19:57:54,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 19:57:54,888 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 19:57:54,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 19:57:54,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 19:57:54,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 19:57:54,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 19:57:54,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 19:57:54,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 19:57:54,890 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 19:57:54,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 19:57:54,890 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 19:57:54,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 19:57:54,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 19:57:54,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 19:57:54,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 19:57:54,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 19:57:54,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 19:57:54,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 19:57:54,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 19:57:54,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 19:57:54,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 19:57:54,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 19:57:54,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 19:57:54,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 876f7945e4fb4974c1e8dba27730dcbf7b8b3ec8 [2021-08-25 19:57:55,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 19:57:55,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 19:57:55,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 19:57:55,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 19:57:55,244 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 19:57:55,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_7-2.c [2021-08-25 19:57:55,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46ad6807b/6cabbae2a7da49e38c5e53238fe7d472/FLAG1530ce593 [2021-08-25 19:57:55,664 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 19:57:55,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_7-2.c [2021-08-25 19:57:55,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46ad6807b/6cabbae2a7da49e38c5e53238fe7d472/FLAG1530ce593 [2021-08-25 19:57:55,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46ad6807b/6cabbae2a7da49e38c5e53238fe7d472 [2021-08-25 19:57:55,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 19:57:55,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 19:57:55,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 19:57:55,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 19:57:55,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 19:57:55,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 07:57:55" (1/1) ... [2021-08-25 19:57:55,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a09a836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:57:55, skipping insertion in model container [2021-08-25 19:57:55,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 07:57:55" (1/1) ... [2021-08-25 19:57:55,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 19:57:55,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 19:57:55,811 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/jain_7-2.c[370,383] [2021-08-25 19:57:55,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 19:57:55,827 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 19:57:55,836 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/jain_7-2.c[370,383] [2021-08-25 19:57:55,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 19:57:55,848 INFO L208 MainTranslator]: Completed translation [2021-08-25 19:57:55,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:57:55 WrapperNode [2021-08-25 19:57:55,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 19:57:55,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 19:57:55,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 19:57:55,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 19:57:55,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:57:55" (1/1) ... [2021-08-25 19:57:55,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:57:55" (1/1) ... [2021-08-25 19:57:55,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 19:57:55,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 19:57:55,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 19:57:55,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 19:57:55,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:57:55" (1/1) ... [2021-08-25 19:57:55,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:57:55" (1/1) ... [2021-08-25 19:57:55,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:57:55" (1/1) ... [2021-08-25 19:57:55,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:57:55" (1/1) ... [2021-08-25 19:57:55,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:57:55" (1/1) ... [2021-08-25 19:57:55,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:57:55" (1/1) ... [2021-08-25 19:57:55,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:57:55" (1/1) ... [2021-08-25 19:57:55,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 19:57:55,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 19:57:55,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 19:57:55,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 19:57:55,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:57:55" (1/1) ... [2021-08-25 19:57:55,932 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 19:57:55,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 19:57:55,962 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) [2021-08-25 19:57:56,014 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 [2021-08-25 19:57:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 19:57:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 19:57:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 19:57:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 19:57:56,194 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 19:57:56,195 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-25 19:57:56,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 07:57:56 BoogieIcfgContainer [2021-08-25 19:57:56,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 19:57:56,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 19:57:56,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 19:57:56,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 19:57:56,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 07:57:55" (1/3) ... [2021-08-25 19:57:56,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1f9530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 07:57:56, skipping insertion in model container [2021-08-25 19:57:56,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:57:55" (2/3) ... [2021-08-25 19:57:56,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1f9530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 07:57:56, skipping insertion in model container [2021-08-25 19:57:56,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 07:57:56" (3/3) ... [2021-08-25 19:57:56,201 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_7-2.c [2021-08-25 19:57:56,204 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 19:57:56,204 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 19:57:56,236 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 19:57:56,242 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 [2021-08-25 19:57:56,242 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 19:57:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.5) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-08-25 19:57:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-08-25 19:57:56,253 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 19:57:56,253 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-08-25 19:57:56,254 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 19:57:56,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 19:57:56,258 INFO L82 PathProgramCache]: Analyzing trace with hash 28699754, now seen corresponding path program 1 times [2021-08-25 19:57:56,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 19:57:56,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953597559] [2021-08-25 19:57:56,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 19:57:56,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 19:57:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 19:57:56,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 19:57:56,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 19:57:56,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953597559] [2021-08-25 19:57:56,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953597559] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 19:57:56,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 19:57:56,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 19:57:56,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057898698] [2021-08-25 19:57:56,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 19:57:56,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 19:57:56,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 19:57:56,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 19:57:56,481 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.5) internal successors, (12), 9 states have internal predecessors, (12), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-08-25 19:57:56,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 19:57:56,499 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2021-08-25 19:57:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 19:57:56,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2021-08-25 19:57:56,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 19:57:56,505 INFO L225 Difference]: With dead ends: 16 [2021-08-25 19:57:56,505 INFO L226 Difference]: Without dead ends: 8 [2021-08-25 19:57:56,507 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.9ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 19:57:56,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-08-25 19:57:56,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-08-25 19:57:56,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-08-25 19:57:56,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-08-25 19:57:56,523 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2021-08-25 19:57:56,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 19:57:56,524 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2021-08-25 19:57:56,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-08-25 19:57:56,524 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-08-25 19:57:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-08-25 19:57:56,524 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 19:57:56,524 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-08-25 19:57:56,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 19:57:56,525 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 19:57:56,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 19:57:56,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1810804418, now seen corresponding path program 1 times [2021-08-25 19:57:56,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 19:57:56,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320285582] [2021-08-25 19:57:56,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 19:57:56,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 19:57:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 19:57:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 19:57:56,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 19:57:56,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320285582] [2021-08-25 19:57:56,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320285582] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 19:57:56,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884563902] [2021-08-25 19:57:56,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 19:57:56,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 19:57:56,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 19:57:56,605 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 19:57:56,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 19:57:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 19:57:56,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-25 19:57:56,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 19:57:59,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 19:57:59,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884563902] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 19:57:59,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 19:57:59,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-25 19:57:59,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825904390] [2021-08-25 19:57:59,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 19:57:59,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 19:57:59,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 19:57:59,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=27, Unknown=1, NotChecked=0, Total=42 [2021-08-25 19:57:59,025 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2021-08-25 19:58:07,089 WARN L207 SmtUtils]: Spent 8.06 s on a formula simplification that was a NOOP. DAG size: 35 [2021-08-25 19:58:07,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 19:58:07,528 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2021-08-25 19:58:07,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 19:58:07,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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 7 [2021-08-25 19:58:07,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 19:58:07,529 INFO L225 Difference]: With dead ends: 8 [2021-08-25 19:58:07,529 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 19:58:07,530 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 10113.8ms TimeCoverageRelationStatistics Valid=20, Invalid=35, Unknown=1, NotChecked=0, Total=56 [2021-08-25 19:58:07,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 19:58:07,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 19:58:07,530 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) [2021-08-25 19:58:07,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 19:58:07,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2021-08-25 19:58:07,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 19:58:07,531 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 19:58:07,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2021-08-25 19:58:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 19:58:07,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 19:58:07,533 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 19:58:07,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-25 19:58:07,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 19:58:07,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 19:58:07,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 19:58:07,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 19:58:23,877 WARN L207 SmtUtils]: Spent 16.13 s on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2021-08-25 19:58:23,881 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 19:58:23,881 INFO L857 garLoopResultBuilder]: For program point L7(lines 7 9) no Hoare annotation was computed. [2021-08-25 19:58:23,881 INFO L853 garLoopResultBuilder]: At program point L7-2(lines 6 27) the Hoare annotation is: (or (and (= ULTIMATE.start_main_~z~0 0) (= ULTIMATE.start_main_~y~0 0) (= ULTIMATE.start_main_~x~0 0)) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (mod ULTIMATE.start_main_~x~0 1048576) 0) (<= (+ ULTIMATE.start_main_~z~0 (* 4 ULTIMATE.start_main_~x~0)) (+ (* 4194304 (div (+ (* ULTIMATE.start_main_~y~0 (- 2)) (* ULTIMATE.start_main_~x~0 4) ULTIMATE.start_main_~z~0) 4194304)) (* 2 ULTIMATE.start_main_~y~0))) (= (mod (* ULTIMATE.start_main_~y~0 2097151) (- 2097152)) 0) (= 0 (mod (* ULTIMATE.start_main_~z~0 4194303) (- 4194304))))) [2021-08-25 19:58:23,881 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 19:58:23,881 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 19:58:23,881 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 19:58:23,881 INFO L853 garLoopResultBuilder]: At program point L28(lines 12 29) the Hoare annotation is: false [2021-08-25 19:58:23,881 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-08-25 19:58:23,881 INFO L857 garLoopResultBuilder]: For program point L20-2(lines 20 27) no Hoare annotation was computed. [2021-08-25 19:58:23,882 INFO L857 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2021-08-25 19:58:23,884 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 19:58:23,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 07:58:23 BoogieIcfgContainer [2021-08-25 19:58:23,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 19:58:23,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 19:58:23,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 19:58:23,893 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 19:58:23,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 07:57:56" (3/4) ... [2021-08-25 19:58:23,895 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 19:58:23,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-25 19:58:23,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 19:58:23,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 19:58:23,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 19:58:23,921 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 19:58:23,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 19:58:23,922 INFO L168 Benchmark]: Toolchain (without parser) took 28234.85 ms. Allocated memory was 69.2 MB in the beginning and 102.8 MB in the end (delta: 33.6 MB). Free memory was 51.7 MB in the beginning and 48.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. [2021-08-25 19:58:23,922 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 69.2 MB. Free memory is still 51.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 19:58:23,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.16 ms. Allocated memory is still 69.2 MB. Free memory was 51.5 MB in the beginning and 42.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-25 19:58:23,923 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.98 ms. Allocated memory is still 69.2 MB. Free memory was 42.2 MB in the beginning and 52.5 MB in the end (delta: -10.2 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-08-25 19:58:23,923 INFO L168 Benchmark]: Boogie Preprocessor took 20.23 ms. Allocated memory is still 69.2 MB. Free memory was 52.5 MB in the beginning and 51.6 MB in the end (delta: 884.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-25 19:58:23,924 INFO L168 Benchmark]: RCFGBuilder took 269.92 ms. Allocated memory is still 69.2 MB. Free memory was 51.6 MB in the beginning and 40.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-25 19:58:23,924 INFO L168 Benchmark]: TraceAbstraction took 27695.44 ms. Allocated memory was 69.2 MB in the beginning and 102.8 MB in the end (delta: 33.6 MB). Free memory was 40.3 MB in the beginning and 50.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-08-25 19:58:23,924 INFO L168 Benchmark]: Witness Printer took 28.12 ms. Allocated memory is still 102.8 MB. Free memory was 50.3 MB in the beginning and 48.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-25 19:58:23,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 69.2 MB. Free memory is still 51.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 162.16 ms. Allocated memory is still 69.2 MB. Free memory was 51.5 MB in the beginning and 42.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.98 ms. Allocated memory is still 69.2 MB. Free memory was 42.2 MB in the beginning and 52.5 MB in the end (delta: -10.2 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.23 ms. Allocated memory is still 69.2 MB. Free memory was 52.5 MB in the beginning and 51.6 MB in the end (delta: 884.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 269.92 ms. Allocated memory is still 69.2 MB. Free memory was 51.6 MB in the beginning and 40.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27695.44 ms. Allocated memory was 69.2 MB in the beginning and 102.8 MB in the end (delta: 33.6 MB). Free memory was 40.3 MB in the beginning and 50.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * Witness Printer took 28.12 ms. Allocated memory is still 102.8 MB. Free memory was 50.3 MB in the beginning and 48.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27648.7ms, OverallIterations: 2, TraceHistogramMax: 2, EmptinessCheckTime: 5.3ms, AutomataDifference: 8540.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 16142.8ms, InitialAbstractionConstructionTime: 5.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7 SDtfs, 3 SDslu, 10 SDs, 0 SdLazy, 13 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 446.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 10128.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 8.8ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 57 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 7.5ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 16130.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 17.3ms SsaConstructionTime, 147.8ms SatisfiabilityAnalysisTime, 2456.6ms InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 SizeOfPredicates, 4 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: ((z == 0 && y == 0) && x == 0) || ((((1 <= cond && x % 1048576 == 0) && z + 4 * x <= 4194304 * ((y * -2 + x * 4 + z) / 4194304) + 2 * y) && y * 2097151 % -2097152 == 0) && 0 == z * 4194303 % -4194304) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-25 19:58:23,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...