./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/eca-rers2012/Problem10_label20.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5d9d392c14a131e49f1eaea557bfd69667def3c2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:00:54,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:00:54,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:00:54,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:00:54,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:00:54,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:00:54,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:00:54,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:00:54,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:00:54,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:00:54,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:00:54,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:00:54,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:00:54,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:00:54,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:00:54,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:00:54,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:00:54,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:00:54,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:00:54,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:00:54,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:00:54,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:00:54,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:00:54,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:00:54,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:00:54,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:00:54,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:00:54,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:00:54,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:00:54,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:00:54,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:00:54,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:00:54,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:00:54,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:00:54,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:00:54,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:00:54,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:00:54,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:00:54,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:00:54,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:00:54,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:00:54,934 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:00:54,949 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:00:54,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:00:54,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:00:54,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:00:54,952 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:00:54,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:00:54,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:00:54,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:00:54,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:00:54,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:00:54,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:00:54,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:00:54,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:00:54,954 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:00:54,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:00:54,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:00:54,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:00:54,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:00:54,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:00:54,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:00:54,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:00:54,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:00:54,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:00:54,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:00:54,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:00:54,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:00:54,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:00:54,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:00:54,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> 5d9d392c14a131e49f1eaea557bfd69667def3c2 [2019-11-27 23:00:55,279 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:00:55,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:00:55,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:00:55,303 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:00:55,303 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:00:55,304 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label20.c [2019-11-27 23:00:55,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c211e083e/b85aba17d9d44b50a0cd4ce5a99e51ac/FLAG3654bf8e2 [2019-11-27 23:00:55,986 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:00:55,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label20.c [2019-11-27 23:00:56,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c211e083e/b85aba17d9d44b50a0cd4ce5a99e51ac/FLAG3654bf8e2 [2019-11-27 23:00:56,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c211e083e/b85aba17d9d44b50a0cd4ce5a99e51ac [2019-11-27 23:00:56,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:00:56,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:00:56,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:00:56,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:00:56,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:00:56,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:00:56" (1/1) ... [2019-11-27 23:00:56,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f9215c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:56, skipping insertion in model container [2019-11-27 23:00:56,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:00:56" (1/1) ... [2019-11-27 23:00:56,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:00:56,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:00:56,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:00:56,873 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:00:57,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:00:57,027 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:00:57,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:57 WrapperNode [2019-11-27 23:00:57,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:00:57,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:00:57,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:00:57,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:00:57,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:57" (1/1) ... [2019-11-27 23:00:57,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:57" (1/1) ... [2019-11-27 23:00:57,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:00:57,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:00:57,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:00:57,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:00:57,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:57" (1/1) ... [2019-11-27 23:00:57,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:57" (1/1) ... [2019-11-27 23:00:57,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:57" (1/1) ... [2019-11-27 23:00:57,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:57" (1/1) ... [2019-11-27 23:00:57,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:57" (1/1) ... [2019-11-27 23:00:57,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:57" (1/1) ... [2019-11-27 23:00:57,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:57" (1/1) ... [2019-11-27 23:00:57,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:00:57,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:00:57,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:00:57,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:00:57,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:57" (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 [2019-11-27 23:00:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:00:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:00:58,818 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:00:58,818 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 23:00:58,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:00:58 BoogieIcfgContainer [2019-11-27 23:00:58,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:00:58,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:00:58,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:00:58,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:00:58,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:00:56" (1/3) ... [2019-11-27 23:00:58,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c09baf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:00:58, skipping insertion in model container [2019-11-27 23:00:58,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:57" (2/3) ... [2019-11-27 23:00:58,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c09baf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:00:58, skipping insertion in model container [2019-11-27 23:00:58,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:00:58" (3/3) ... [2019-11-27 23:00:58,831 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label20.c [2019-11-27 23:00:58,842 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:00:58,850 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:00:58,864 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:00:58,891 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:00:58,891 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:00:58,891 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:00:58,891 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:00:58,892 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:00:58,892 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:00:58,892 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:00:58,893 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:00:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-27 23:00:58,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-27 23:00:58,921 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:00:58,923 INFO L410 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, 1, 1, 1, 1] [2019-11-27 23:00:58,923 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:00:58,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:00:58,930 INFO L82 PathProgramCache]: Analyzing trace with hash -716875070, now seen corresponding path program 1 times [2019-11-27 23:00:58,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:00:58,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333791380] [2019-11-27 23:00:58,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:00:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:00:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:00:59,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333791380] [2019-11-27 23:00:59,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:00:59,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:00:59,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356864271] [2019-11-27 23:00:59,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:00:59,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:00:59,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:00:59,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:00:59,240 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-27 23:01:00,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:00,745 INFO L93 Difference]: Finished difference Result 694 states and 1246 transitions. [2019-11-27 23:01:00,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:00,747 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-11-27 23:01:00,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:00,778 INFO L225 Difference]: With dead ends: 694 [2019-11-27 23:01:00,778 INFO L226 Difference]: Without dead ends: 421 [2019-11-27 23:01:00,790 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:00,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-27 23:01:00,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-11-27 23:01:00,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-27 23:01:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-11-27 23:01:00,895 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 28 [2019-11-27 23:01:00,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:00,896 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-11-27 23:01:00,896 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:00,897 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-11-27 23:01:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-27 23:01:00,903 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:00,904 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:00,905 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:00,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:00,905 INFO L82 PathProgramCache]: Analyzing trace with hash -958622800, now seen corresponding path program 1 times [2019-11-27 23:01:00,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:00,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893070400] [2019-11-27 23:01:00,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:01:01,135 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893070400] [2019-11-27 23:01:01,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:01,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:01:01,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175670902] [2019-11-27 23:01:01,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:01,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:01,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:01,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:01,139 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 4 states. [2019-11-27 23:01:02,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:02,181 INFO L93 Difference]: Finished difference Result 840 states and 1290 transitions. [2019-11-27 23:01:02,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:02,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2019-11-27 23:01:02,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:02,191 INFO L225 Difference]: With dead ends: 840 [2019-11-27 23:01:02,193 INFO L226 Difference]: Without dead ends: 560 [2019-11-27 23:01:02,197 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:02,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-11-27 23:01:02,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2019-11-27 23:01:02,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2019-11-27 23:01:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 785 transitions. [2019-11-27 23:01:02,235 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 785 transitions. Word has length 106 [2019-11-27 23:01:02,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:02,236 INFO L462 AbstractCegarLoop]: Abstraction has 560 states and 785 transitions. [2019-11-27 23:01:02,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:02,236 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 785 transitions. [2019-11-27 23:01:02,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-27 23:01:02,248 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:02,249 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:02,249 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:02,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:02,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1786957364, now seen corresponding path program 1 times [2019-11-27 23:01:02,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:02,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424044384] [2019-11-27 23:01:02,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:02,493 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:01:02,494 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424044384] [2019-11-27 23:01:02,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:02,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:01:02,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707970614] [2019-11-27 23:01:02,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:02,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:02,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:02,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:02,501 INFO L87 Difference]: Start difference. First operand 560 states and 785 transitions. Second operand 4 states. [2019-11-27 23:01:03,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:03,483 INFO L93 Difference]: Finished difference Result 1813 states and 2508 transitions. [2019-11-27 23:01:03,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:03,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2019-11-27 23:01:03,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:03,492 INFO L225 Difference]: With dead ends: 1813 [2019-11-27 23:01:03,492 INFO L226 Difference]: Without dead ends: 1255 [2019-11-27 23:01:03,494 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:03,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2019-11-27 23:01:03,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 838. [2019-11-27 23:01:03,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2019-11-27 23:01:03,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1063 transitions. [2019-11-27 23:01:03,521 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1063 transitions. Word has length 146 [2019-11-27 23:01:03,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:03,522 INFO L462 AbstractCegarLoop]: Abstraction has 838 states and 1063 transitions. [2019-11-27 23:01:03,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:03,522 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1063 transitions. [2019-11-27 23:01:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-27 23:01:03,526 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:03,526 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:03,527 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:03,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:03,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1475583444, now seen corresponding path program 1 times [2019-11-27 23:01:03,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:03,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55748771] [2019-11-27 23:01:03,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:03,773 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:01:03,774 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55748771] [2019-11-27 23:01:03,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:03,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:01:03,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500525137] [2019-11-27 23:01:03,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:03,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:03,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:03,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:03,777 INFO L87 Difference]: Start difference. First operand 838 states and 1063 transitions. Second operand 4 states. [2019-11-27 23:01:04,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:04,735 INFO L93 Difference]: Finished difference Result 2091 states and 2662 transitions. [2019-11-27 23:01:04,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:04,736 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 188 [2019-11-27 23:01:04,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:04,752 INFO L225 Difference]: With dead ends: 2091 [2019-11-27 23:01:04,752 INFO L226 Difference]: Without dead ends: 1255 [2019-11-27 23:01:04,754 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:04,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2019-11-27 23:01:04,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2019-11-27 23:01:04,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-11-27 23:01:04,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1371 transitions. [2019-11-27 23:01:04,780 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1371 transitions. Word has length 188 [2019-11-27 23:01:04,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:04,781 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1371 transitions. [2019-11-27 23:01:04,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:04,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1371 transitions. [2019-11-27 23:01:04,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-11-27 23:01:04,785 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:04,785 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:04,785 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:04,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:04,786 INFO L82 PathProgramCache]: Analyzing trace with hash 661366646, now seen corresponding path program 1 times [2019-11-27 23:01:04,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:04,787 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361212790] [2019-11-27 23:01:04,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:04,993 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-27 23:01:04,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361212790] [2019-11-27 23:01:04,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:04,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:01:04,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490101559] [2019-11-27 23:01:04,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 23:01:04,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:04,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 23:01:04,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:01:04,997 INFO L87 Difference]: Start difference. First operand 1116 states and 1371 transitions. Second operand 5 states. [2019-11-27 23:01:06,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:06,661 INFO L93 Difference]: Finished difference Result 4037 states and 4968 transitions. [2019-11-27 23:01:06,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:01:06,662 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 189 [2019-11-27 23:01:06,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:06,676 INFO L225 Difference]: With dead ends: 4037 [2019-11-27 23:01:06,676 INFO L226 Difference]: Without dead ends: 2923 [2019-11-27 23:01:06,680 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:01:06,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2923 states. [2019-11-27 23:01:06,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2923 to 2089. [2019-11-27 23:01:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2019-11-27 23:01:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2495 transitions. [2019-11-27 23:01:06,733 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2495 transitions. Word has length 189 [2019-11-27 23:01:06,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:06,734 INFO L462 AbstractCegarLoop]: Abstraction has 2089 states and 2495 transitions. [2019-11-27 23:01:06,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 23:01:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2495 transitions. [2019-11-27 23:01:06,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-11-27 23:01:06,740 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:06,741 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:06,741 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:06,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:06,742 INFO L82 PathProgramCache]: Analyzing trace with hash -668439460, now seen corresponding path program 1 times [2019-11-27 23:01:06,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:06,743 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491587098] [2019-11-27 23:01:06,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:06,943 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-27 23:01:06,944 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491587098] [2019-11-27 23:01:06,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:06,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:01:06,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843639888] [2019-11-27 23:01:06,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:01:06,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:06,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:01:06,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 23:01:06,947 INFO L87 Difference]: Start difference. First operand 2089 states and 2495 transitions. Second operand 3 states. [2019-11-27 23:01:07,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:07,511 INFO L93 Difference]: Finished difference Result 5010 states and 5952 transitions. [2019-11-27 23:01:07,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:01:07,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2019-11-27 23:01:07,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:07,518 INFO L225 Difference]: With dead ends: 5010 [2019-11-27 23:01:07,519 INFO L226 Difference]: Without dead ends: 2089 [2019-11-27 23:01:07,522 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 23:01:07,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2019-11-27 23:01:07,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2019-11-27 23:01:07,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2019-11-27 23:01:07,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2440 transitions. [2019-11-27 23:01:07,571 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2440 transitions. Word has length 264 [2019-11-27 23:01:07,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:07,571 INFO L462 AbstractCegarLoop]: Abstraction has 2089 states and 2440 transitions. [2019-11-27 23:01:07,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:01:07,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2440 transitions. [2019-11-27 23:01:07,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-11-27 23:01:07,578 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:07,578 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:07,578 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:07,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:07,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1546588810, now seen corresponding path program 1 times [2019-11-27 23:01:07,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:07,580 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760300424] [2019-11-27 23:01:07,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:07,787 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2019-11-27 23:01:07,788 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760300424] [2019-11-27 23:01:07,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:07,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:01:07,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526899749] [2019-11-27 23:01:07,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:07,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:07,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:07,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:07,798 INFO L87 Difference]: Start difference. First operand 2089 states and 2440 transitions. Second operand 4 states. [2019-11-27 23:01:08,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:08,746 INFO L93 Difference]: Finished difference Result 4035 states and 4734 transitions. [2019-11-27 23:01:08,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:08,747 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 300 [2019-11-27 23:01:08,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:08,748 INFO L225 Difference]: With dead ends: 4035 [2019-11-27 23:01:08,748 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:01:08,752 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:08,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:01:08,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:01:08,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:01:08,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:01:08,753 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 300 [2019-11-27 23:01:08,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:08,754 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:01:08,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:08,754 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:01:08,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:01:08,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:01:09,038 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 18 [2019-11-27 23:01:09,212 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 18 [2019-11-27 23:01:09,218 INFO L246 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-27 23:01:09,219 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,219 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,219 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,219 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,219 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,219 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,221 INFO L246 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-27 23:01:09,221 INFO L246 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-27 23:01:09,221 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-27 23:01:09,221 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-27 23:01:09,221 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-27 23:01:09,222 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-27 23:01:09,222 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-27 23:01:09,222 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-27 23:01:09,222 INFO L246 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-27 23:01:09,222 INFO L246 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-27 23:01:09,222 INFO L246 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-27 23:01:09,223 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,226 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,227 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,227 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,227 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,227 INFO L246 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-27 23:01:09,228 INFO L246 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-27 23:01:09,228 INFO L246 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-27 23:01:09,228 INFO L246 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-27 23:01:09,228 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-27 23:01:09,229 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-27 23:01:09,229 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-27 23:01:09,230 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-27 23:01:09,230 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-27 23:01:09,230 INFO L246 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-27 23:01:09,231 INFO L246 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-27 23:01:09,231 INFO L246 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-27 23:01:09,232 INFO L246 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-27 23:01:09,232 INFO L246 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-27 23:01:09,232 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,232 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,232 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,232 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,233 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,233 INFO L246 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-27 23:01:09,233 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-27 23:01:09,233 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-27 23:01:09,233 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-27 23:01:09,233 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-27 23:01:09,234 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-27 23:01:09,235 INFO L242 CegarLoopResult]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 10))) (.cse0 (not (= ~a19~0 7)))) (or (and .cse0 .cse1) (= ~a10~0 1) (and .cse1 (= ~a10~0 2)) (and .cse0 (= ~a10~0 0)))) [2019-11-27 23:01:09,235 INFO L246 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-27 23:01:09,236 INFO L246 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-27 23:01:09,236 INFO L246 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-27 23:01:09,236 INFO L246 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-27 23:01:09,236 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,236 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,236 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,236 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,237 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,237 INFO L246 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-27 23:01:09,237 INFO L246 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-27 23:01:09,237 INFO L246 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-27 23:01:09,237 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-27 23:01:09,237 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-27 23:01:09,238 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-27 23:01:09,238 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-27 23:01:09,238 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-27 23:01:09,238 INFO L246 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-27 23:01:09,238 INFO L246 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-27 23:01:09,239 INFO L249 CegarLoopResult]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-27 23:01:09,239 INFO L246 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-27 23:01:09,239 INFO L246 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-27 23:01:09,240 INFO L246 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-27 23:01:09,240 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,240 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,240 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,241 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,241 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,241 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-27 23:01:09,241 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-27 23:01:09,242 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-27 23:01:09,242 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-27 23:01:09,242 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-27 23:01:09,242 INFO L246 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-27 23:01:09,243 INFO L246 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-27 23:01:09,243 INFO L246 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-27 23:01:09,243 INFO L246 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-27 23:01:09,243 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,244 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,244 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,244 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,244 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,245 INFO L246 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-27 23:01:09,248 INFO L246 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-27 23:01:09,249 INFO L246 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-27 23:01:09,249 INFO L246 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-27 23:01:09,249 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-27 23:01:09,249 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-27 23:01:09,250 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-27 23:01:09,250 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-27 23:01:09,250 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-27 23:01:09,250 INFO L246 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-27 23:01:09,251 INFO L246 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-27 23:01:09,251 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:01:09,252 INFO L246 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-27 23:01:09,253 INFO L242 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 10))) (.cse0 (not (= ~a19~0 7)))) (or (and .cse0 .cse1) (= ~a10~0 1) (and .cse1 (= ~a10~0 2)) (and .cse0 (= ~a10~0 0)))) [2019-11-27 23:01:09,253 INFO L246 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-27 23:01:09,253 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,253 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,254 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,254 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,254 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-27 23:01:09,254 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,254 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,255 INFO L246 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-27 23:01:09,255 INFO L246 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-27 23:01:09,255 INFO L246 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-27 23:01:09,255 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-27 23:01:09,256 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-27 23:01:09,256 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-27 23:01:09,256 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-27 23:01:09,256 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-27 23:01:09,256 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-27 23:01:09,256 INFO L246 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-27 23:01:09,257 INFO L246 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-27 23:01:09,257 INFO L246 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-27 23:01:09,257 INFO L246 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-27 23:01:09,257 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,258 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,258 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,258 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,258 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,259 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,259 INFO L246 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-27 23:01:09,259 INFO L246 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-27 23:01:09,259 INFO L246 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-27 23:01:09,260 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:01:09,260 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-27 23:01:09,260 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-27 23:01:09,260 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-27 23:01:09,261 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-27 23:01:09,261 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-27 23:01:09,261 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-27 23:01:09,261 INFO L246 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-27 23:01:09,262 INFO L246 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-27 23:01:09,262 INFO L246 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-27 23:01:09,262 INFO L246 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-27 23:01:09,262 INFO L246 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-27 23:01:09,263 INFO L246 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-27 23:01:09,263 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,263 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,263 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,263 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,264 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,264 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,264 INFO L246 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-27 23:01:09,264 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-27 23:01:09,264 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-27 23:01:09,264 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-27 23:01:09,265 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-27 23:01:09,265 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-27 23:01:09,265 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:01:09,265 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-27 23:01:09,265 INFO L246 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-27 23:01:09,265 INFO L246 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-27 23:01:09,266 INFO L246 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-27 23:01:09,266 INFO L246 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-27 23:01:09,266 INFO L246 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-27 23:01:09,266 INFO L246 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-27 23:01:09,266 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,266 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,267 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,267 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,267 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,267 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,267 INFO L246 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-27 23:01:09,267 INFO L246 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-27 23:01:09,268 INFO L246 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-27 23:01:09,268 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-27 23:01:09,268 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-27 23:01:09,268 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-27 23:01:09,268 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-27 23:01:09,268 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-27 23:01:09,269 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-27 23:01:09,269 INFO L246 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-27 23:01:09,269 INFO L246 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-27 23:01:09,269 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:01:09,269 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2019-11-27 23:01:09,270 INFO L246 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-27 23:01:09,270 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,270 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,270 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,270 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,270 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,271 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:09,271 INFO L246 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-27 23:01:09,271 INFO L246 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-27 23:01:09,271 INFO L246 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-27 23:01:09,271 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-27 23:01:09,271 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-27 23:01:09,271 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-27 23:01:09,272 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-27 23:01:09,272 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-27 23:01:09,272 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-27 23:01:09,272 INFO L246 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-27 23:01:09,272 INFO L246 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-27 23:01:09,272 INFO L246 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-27 23:01:09,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:01:09 BoogieIcfgContainer [2019-11-27 23:01:09,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:01:09,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:01:09,303 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:01:09,304 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:01:09,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:00:58" (3/4) ... [2019-11-27 23:01:09,308 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:01:09,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 23:01:09,343 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:01:09,570 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:01:09,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:01:09,573 INFO L168 Benchmark]: Toolchain (without parser) took 13284.86 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 428.3 MB). Free memory was 961.7 MB in the beginning and 1.3 GB in the end (delta: -315.3 MB). Peak memory consumption was 113.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:09,574 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:01:09,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:09,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:09,577 INFO L168 Benchmark]: Boogie Preprocessor took 109.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:09,578 INFO L168 Benchmark]: RCFGBuilder took 1580.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.4 MB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:09,578 INFO L168 Benchmark]: TraceAbstraction took 10480.85 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 282.1 MB). Free memory was 994.4 MB in the beginning and 1.3 GB in the end (delta: -306.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:01:09,578 INFO L168 Benchmark]: Witness Printer took 268.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:09,581 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 738.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1580.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.4 MB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10480.85 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 282.1 MB). Free memory was 994.4 MB in the beginning and 1.3 GB in the end (delta: -306.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 268.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 88]: 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: 582]: Loop Invariant Derived loop invariant: (((!(a19 == 7) && !(a19 == 10)) || a10 == 1) || (!(a19 == 10) && a10 == 2)) || (!(a19 == 7) && a10 == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a19 == 7) && !(a19 == 10)) || a10 == 1) || (!(a19 == 10) && a10 == 2)) || (!(a19 == 7) && a10 == 0) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 9.8s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 554 SDtfs, 1802 SDslu, 68 SDs, 0 SdLazy, 4702 SolverSat, 931 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 1529 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 59 HoareAnnotationTreeSize, 3 FomulaSimplifications, 210 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2228 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1221 NumberOfCodeBlocks, 1221 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1214 ConstructedInterpolants, 0 QuantifiedInterpolants, 556053 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 911/911 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...