./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 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/Problem14_label49.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 19252d9b977a1b2caf6b350b292ab440fef944ce ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:02:13,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:02:13,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:02:13,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:02:13,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:02:13,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:02:13,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:02:13,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:02:13,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:02:13,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:02:13,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:02:13,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:02:13,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:02:13,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:02:13,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:02:13,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:02:13,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:02:13,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:02:13,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:02:13,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:02:13,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:02:13,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:02:13,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:02:13,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:02:13,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:02:13,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:02:13,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:02:13,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:02:13,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:02:13,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:02:13,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:02:13,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:02:13,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:02:13,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:02:13,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:02:13,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:02:13,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:02:13,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:02:13,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:02:13,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:02:13,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:02:13,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:02:13,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:02:13,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:02:13,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:02:13,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:02:13,968 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:02:13,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:02:13,968 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:02:13,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:02:13,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:02:13,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:02:13,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:02:13,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:02:13,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:02:13,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:02:13,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:02:13,970 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:02:13,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:02:13,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:02:13,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:02:13,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:02:13,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:02:13,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:02:13,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:02:13,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:02:13,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:02:13,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:02:13,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:02:13,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:02:13,973 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 -> 19252d9b977a1b2caf6b350b292ab440fef944ce [2019-11-19 21:02:14,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:02:14,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:02:14,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:02:14,327 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:02:14,327 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:02:14,328 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label49.c [2019-11-19 21:02:14,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95cbfff5/0715b5f6a22a49db916574f5f24e085c/FLAG44797a31a [2019-11-19 21:02:14,979 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:02:14,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label49.c [2019-11-19 21:02:14,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95cbfff5/0715b5f6a22a49db916574f5f24e085c/FLAG44797a31a [2019-11-19 21:02:15,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95cbfff5/0715b5f6a22a49db916574f5f24e085c [2019-11-19 21:02:15,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:02:15,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:02:15,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:02:15,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:02:15,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:02:15,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:02:15" (1/1) ... [2019-11-19 21:02:15,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd276af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:02:15, skipping insertion in model container [2019-11-19 21:02:15,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:02:15" (1/1) ... [2019-11-19 21:02:15,303 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:02:15,367 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:02:15,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:02:15,923 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:02:16,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:02:16,209 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:02:16,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:02:16 WrapperNode [2019-11-19 21:02:16,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:02:16,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:02:16,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:02:16,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:02:16,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:02:16" (1/1) ... [2019-11-19 21:02:16,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:02:16" (1/1) ... [2019-11-19 21:02:16,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:02:16,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:02:16,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:02:16,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:02:16,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:02:16" (1/1) ... [2019-11-19 21:02:16,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:02:16" (1/1) ... [2019-11-19 21:02:16,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:02:16" (1/1) ... [2019-11-19 21:02:16,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:02:16" (1/1) ... [2019-11-19 21:02:16,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:02:16" (1/1) ... [2019-11-19 21:02:16,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:02:16" (1/1) ... [2019-11-19 21:02:16,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:02:16" (1/1) ... [2019-11-19 21:02:16,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:02:16,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:02:16,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:02:16,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:02:16,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:02:16" (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 [2019-11-19 21:02:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:02:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:02:18,151 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:02:18,151 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 21:02:18,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:02:18 BoogieIcfgContainer [2019-11-19 21:02:18,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:02:18,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:02:18,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:02:18,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:02:18,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:02:15" (1/3) ... [2019-11-19 21:02:18,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678d0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:02:18, skipping insertion in model container [2019-11-19 21:02:18,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:02:16" (2/3) ... [2019-11-19 21:02:18,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678d0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:02:18, skipping insertion in model container [2019-11-19 21:02:18,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:02:18" (3/3) ... [2019-11-19 21:02:18,163 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label49.c [2019-11-19 21:02:18,174 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:02:18,182 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 21:02:18,194 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 21:02:18,221 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:02:18,221 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:02:18,222 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:02:18,222 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:02:18,222 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:02:18,222 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:02:18,222 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:02:18,223 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:02:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-19 21:02:18,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 21:02:18,255 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:02:18,256 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, 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] [2019-11-19 21:02:18,256 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:02:18,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:02:18,263 INFO L82 PathProgramCache]: Analyzing trace with hash 118092897, now seen corresponding path program 1 times [2019-11-19 21:02:18,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:02:18,273 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594620334] [2019-11-19 21:02:18,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:02:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:02:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:02:18,574 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594620334] [2019-11-19 21:02:18,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:02:18,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:02:18,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920415129] [2019-11-19 21:02:18,584 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:02:18,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:02:18,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:02:18,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:02:18,605 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-19 21:02:20,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:02:20,541 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-11-19 21:02:20,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 21:02:20,543 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2019-11-19 21:02:20,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:02:20,569 INFO L225 Difference]: With dead ends: 850 [2019-11-19 21:02:20,570 INFO L226 Difference]: Without dead ends: 538 [2019-11-19 21:02:20,580 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 [2019-11-19 21:02:20,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-19 21:02:20,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-19 21:02:20,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-19 21:02:20,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 814 transitions. [2019-11-19 21:02:20,679 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 814 transitions. Word has length 59 [2019-11-19 21:02:20,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:02:20,680 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 814 transitions. [2019-11-19 21:02:20,680 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:02:20,680 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 814 transitions. [2019-11-19 21:02:20,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-19 21:02:20,686 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:02:20,686 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, 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] [2019-11-19 21:02:20,687 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:02:20,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:02:20,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1848862609, now seen corresponding path program 1 times [2019-11-19 21:02:20,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:02:20,688 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985830682] [2019-11-19 21:02:20,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:02:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:02:20,877 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:02:20,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985830682] [2019-11-19 21:02:20,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:02:20,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:02:20,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270552402] [2019-11-19 21:02:20,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:02:20,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:02:20,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:02:20,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:02:20,881 INFO L87 Difference]: Start difference. First operand 538 states and 814 transitions. Second operand 4 states. [2019-11-19 21:02:22,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:02:22,320 INFO L93 Difference]: Finished difference Result 2142 states and 3248 transitions. [2019-11-19 21:02:22,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 21:02:22,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2019-11-19 21:02:22,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:02:22,332 INFO L225 Difference]: With dead ends: 2142 [2019-11-19 21:02:22,332 INFO L226 Difference]: Without dead ends: 1606 [2019-11-19 21:02:22,334 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 [2019-11-19 21:02:22,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2019-11-19 21:02:22,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1250. [2019-11-19 21:02:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2019-11-19 21:02:22,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1743 transitions. [2019-11-19 21:02:22,380 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1743 transitions. Word has length 125 [2019-11-19 21:02:22,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:02:22,381 INFO L462 AbstractCegarLoop]: Abstraction has 1250 states and 1743 transitions. [2019-11-19 21:02:22,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:02:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1743 transitions. [2019-11-19 21:02:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-19 21:02:22,387 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:02:22,387 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, 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] [2019-11-19 21:02:22,388 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:02:22,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:02:22,388 INFO L82 PathProgramCache]: Analyzing trace with hash 764460886, now seen corresponding path program 1 times [2019-11-19 21:02:22,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:02:22,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080990231] [2019-11-19 21:02:22,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:02:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:02:22,517 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:02:22,517 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080990231] [2019-11-19 21:02:22,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:02:22,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:02:22,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848029669] [2019-11-19 21:02:22,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:02:22,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:02:22,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:02:22,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:02:22,520 INFO L87 Difference]: Start difference. First operand 1250 states and 1743 transitions. Second operand 4 states. [2019-11-19 21:02:23,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:02:23,792 INFO L93 Difference]: Finished difference Result 4100 states and 5634 transitions. [2019-11-19 21:02:23,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 21:02:23,793 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2019-11-19 21:02:23,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:02:23,808 INFO L225 Difference]: With dead ends: 4100 [2019-11-19 21:02:23,809 INFO L226 Difference]: Without dead ends: 2852 [2019-11-19 21:02:23,812 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 [2019-11-19 21:02:23,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2019-11-19 21:02:23,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2496. [2019-11-19 21:02:23,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2019-11-19 21:02:23,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 3193 transitions. [2019-11-19 21:02:23,872 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 3193 transitions. Word has length 127 [2019-11-19 21:02:23,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:02:23,875 INFO L462 AbstractCegarLoop]: Abstraction has 2496 states and 3193 transitions. [2019-11-19 21:02:23,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:02:23,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 3193 transitions. [2019-11-19 21:02:23,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-11-19 21:02:23,896 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:02:23,897 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, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-11-19 21:02:23,897 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:02:23,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:02:23,898 INFO L82 PathProgramCache]: Analyzing trace with hash -365851958, now seen corresponding path program 1 times [2019-11-19 21:02:23,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:02:23,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937013366] [2019-11-19 21:02:23,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:02:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:02:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 257 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-11-19 21:02:24,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937013366] [2019-11-19 21:02:24,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772682671] [2019-11-19 21:02:24,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:02:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:02:24,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 21:02:24,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:02:24,534 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-11-19 21:02:24,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 21:02:24,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-19 21:02:24,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110216037] [2019-11-19 21:02:24,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:02:24,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:02:24,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:02:24,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:02:24,537 INFO L87 Difference]: Start difference. First operand 2496 states and 3193 transitions. Second operand 3 states. [2019-11-19 21:02:25,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:02:25,274 INFO L93 Difference]: Finished difference Result 5702 states and 7313 transitions. [2019-11-19 21:02:25,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:02:25,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 316 [2019-11-19 21:02:25,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:02:25,290 INFO L225 Difference]: With dead ends: 5702 [2019-11-19 21:02:25,290 INFO L226 Difference]: Without dead ends: 3208 [2019-11-19 21:02:25,294 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 315 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:02:25,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2019-11-19 21:02:25,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2674. [2019-11-19 21:02:25,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-11-19 21:02:25,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3374 transitions. [2019-11-19 21:02:25,349 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3374 transitions. Word has length 316 [2019-11-19 21:02:25,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:02:25,350 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 3374 transitions. [2019-11-19 21:02:25,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:02:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3374 transitions. [2019-11-19 21:02:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-11-19 21:02:25,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:02:25,357 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, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-11-19 21:02:25,560 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:02:25,561 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:02:25,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:02:25,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1342231161, now seen corresponding path program 1 times [2019-11-19 21:02:25,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:02:25,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554311391] [2019-11-19 21:02:25,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:02:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:02:25,816 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 258 proven. 4 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-11-19 21:02:25,816 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554311391] [2019-11-19 21:02:25,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897385882] [2019-11-19 21:02:25,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:02:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:02:25,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 21:02:25,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:02:26,072 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-11-19 21:02:26,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 21:02:26,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-19 21:02:26,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714679131] [2019-11-19 21:02:26,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:02:26,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:02:26,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:02:26,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:02:26,078 INFO L87 Difference]: Start difference. First operand 2674 states and 3374 transitions. Second operand 3 states. [2019-11-19 21:02:26,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:02:26,864 INFO L93 Difference]: Finished difference Result 5702 states and 7271 transitions. [2019-11-19 21:02:26,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:02:26,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 317 [2019-11-19 21:02:26,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:02:26,879 INFO L225 Difference]: With dead ends: 5702 [2019-11-19 21:02:26,879 INFO L226 Difference]: Without dead ends: 3208 [2019-11-19 21:02:26,883 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 316 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:02:26,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2019-11-19 21:02:26,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2674. [2019-11-19 21:02:26,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-11-19 21:02:26,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3374 transitions. [2019-11-19 21:02:26,936 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3374 transitions. Word has length 317 [2019-11-19 21:02:26,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:02:26,936 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 3374 transitions. [2019-11-19 21:02:26,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:02:26,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3374 transitions. [2019-11-19 21:02:26,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2019-11-19 21:02:26,944 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:02:26,945 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, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-11-19 21:02:27,150 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:02:27,150 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:02:27,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:02:27,151 INFO L82 PathProgramCache]: Analyzing trace with hash -407136655, now seen corresponding path program 1 times [2019-11-19 21:02:27,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:02:27,151 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240226189] [2019-11-19 21:02:27,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:02:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:02:27,488 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 268 proven. 4 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2019-11-19 21:02:27,488 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240226189] [2019-11-19 21:02:27,489 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715140352] [2019-11-19 21:02:27,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:02:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:02:27,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 21:02:27,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:02:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-19 21:02:27,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 21:02:27,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-19 21:02:27,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600919321] [2019-11-19 21:02:27,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:02:27,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:02:27,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:02:27,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:02:27,768 INFO L87 Difference]: Start difference. First operand 2674 states and 3374 transitions. Second operand 3 states. [2019-11-19 21:02:28,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:02:28,552 INFO L93 Difference]: Finished difference Result 5168 states and 6562 transitions. [2019-11-19 21:02:28,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:02:28,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2019-11-19 21:02:28,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:02:28,565 INFO L225 Difference]: With dead ends: 5168 [2019-11-19 21:02:28,565 INFO L226 Difference]: Without dead ends: 2674 [2019-11-19 21:02:28,569 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 369 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:02:28,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2019-11-19 21:02:28,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2019-11-19 21:02:28,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2019-11-19 21:02:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2974 transitions. [2019-11-19 21:02:28,611 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2974 transitions. Word has length 370 [2019-11-19 21:02:28,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:02:28,612 INFO L462 AbstractCegarLoop]: Abstraction has 2496 states and 2974 transitions. [2019-11-19 21:02:28,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:02:28,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2974 transitions. [2019-11-19 21:02:28,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-11-19 21:02:28,620 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:02:28,621 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, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1] [2019-11-19 21:02:28,825 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:02:28,825 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:02:28,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:02:28,826 INFO L82 PathProgramCache]: Analyzing trace with hash -24428426, now seen corresponding path program 1 times [2019-11-19 21:02:28,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:02:28,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114439022] [2019-11-19 21:02:28,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:02:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:02:29,296 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 268 proven. 4 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2019-11-19 21:02:29,297 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114439022] [2019-11-19 21:02:29,297 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133742130] [2019-11-19 21:02:29,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:02:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:02:29,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 21:02:29,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:02:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2019-11-19 21:02:29,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 21:02:29,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-19 21:02:29,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838865724] [2019-11-19 21:02:29,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:02:29,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:02:29,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:02:29,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:02:29,552 INFO L87 Difference]: Start difference. First operand 2496 states and 2974 transitions. Second operand 3 states. [2019-11-19 21:02:30,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:02:30,419 INFO L93 Difference]: Finished difference Result 5522 states and 6664 transitions. [2019-11-19 21:02:30,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:02:30,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 387 [2019-11-19 21:02:30,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:02:30,420 INFO L225 Difference]: With dead ends: 5522 [2019-11-19 21:02:30,421 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:02:30,426 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 386 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:02:30,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:02:30,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:02:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:02:30,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:02:30,427 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 387 [2019-11-19 21:02:30,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:02:30,427 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:02:30,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:02:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:02:30,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:02:30,631 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:02:30,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:02:30,762 INFO L444 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-19 21:02:30,762 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-19 21:02:30,762 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,762 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,762 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,762 INFO L444 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-19 21:02:30,762 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-19 21:02:30,762 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-19 21:02:30,762 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-19 21:02:30,762 INFO L444 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-19 21:02:30,763 INFO L444 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-19 21:02:30,763 INFO L444 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-19 21:02:30,763 INFO L444 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-19 21:02:30,763 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,763 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,763 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,763 INFO L444 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-19 21:02:30,763 INFO L444 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-19 21:02:30,763 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-19 21:02:30,763 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-19 21:02:30,764 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-19 21:02:30,764 INFO L444 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-19 21:02:30,764 INFO L444 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-19 21:02:30,764 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-19 21:02:30,764 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,764 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,764 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,765 INFO L444 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-19 21:02:30,765 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-19 21:02:30,765 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-19 21:02:30,765 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-19 21:02:30,765 INFO L444 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-19 21:02:30,765 INFO L444 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-19 21:02:30,765 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-19 21:02:30,766 INFO L444 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-19 21:02:30,766 INFO L444 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-19 21:02:30,766 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,766 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,766 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,766 INFO L444 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-19 21:02:30,766 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-19 21:02:30,766 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-19 21:02:30,766 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-19 21:02:30,766 INFO L444 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-19 21:02:30,766 INFO L444 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-19 21:02:30,767 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-19 21:02:30,767 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,767 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,767 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,767 INFO L444 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-19 21:02:30,767 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-19 21:02:30,767 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-19 21:02:30,767 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-19 21:02:30,767 INFO L444 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-19 21:02:30,767 INFO L444 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-19 21:02:30,768 INFO L444 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-19 21:02:30,768 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-19 21:02:30,768 INFO L444 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-19 21:02:30,768 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,768 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,768 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,768 INFO L444 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-19 21:02:30,768 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-19 21:02:30,768 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-19 21:02:30,768 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-19 21:02:30,769 INFO L444 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-19 21:02:30,769 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-19 21:02:30,769 INFO L444 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-19 21:02:30,769 INFO L444 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-19 21:02:30,769 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,769 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,769 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,769 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-19 21:02:30,769 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-19 21:02:30,769 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-19 21:02:30,769 INFO L444 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-19 21:02:30,770 INFO L444 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-19 21:02:30,770 INFO L444 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-19 21:02:30,770 INFO L444 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-19 21:02:30,770 INFO L444 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-19 21:02:30,770 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,770 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,770 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,770 INFO L444 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-19 21:02:30,770 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-19 21:02:30,770 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:02:30,770 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-19 21:02:30,771 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-19 21:02:30,771 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-19 21:02:30,771 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-19 21:02:30,771 INFO L444 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-19 21:02:30,771 INFO L444 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-19 21:02:30,771 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,771 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,771 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,771 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-19 21:02:30,771 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-19 21:02:30,771 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-19 21:02:30,772 INFO L444 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-19 21:02:30,772 INFO L444 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-19 21:02:30,772 INFO L444 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-19 21:02:30,772 INFO L444 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-19 21:02:30,772 INFO L444 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-19 21:02:30,772 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,772 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,772 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,772 INFO L444 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-19 21:02:30,772 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-19 21:02:30,772 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-19 21:02:30,772 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-19 21:02:30,773 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-19 21:02:30,773 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-19 21:02:30,773 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:02:30,773 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2019-11-19 21:02:30,773 INFO L444 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-19 21:02:30,773 INFO L444 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-19 21:02:30,773 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,773 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,773 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,773 INFO L444 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-19 21:02:30,774 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-19 21:02:30,774 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-19 21:02:30,774 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-19 21:02:30,774 INFO L444 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-19 21:02:30,774 INFO L444 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-19 21:02:30,774 INFO L444 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-19 21:02:30,774 INFO L444 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-19 21:02:30,774 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,774 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,774 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,775 INFO L444 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-19 21:02:30,775 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-19 21:02:30,775 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-19 21:02:30,775 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-19 21:02:30,775 INFO L444 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-19 21:02:30,775 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-19 21:02:30,775 INFO L444 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-19 21:02:30,775 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-19 21:02:30,775 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,775 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,775 INFO L444 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-19 21:02:30,776 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-19 21:02:30,776 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-19 21:02:30,776 INFO L444 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-19 21:02:30,776 INFO L444 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-19 21:02:30,776 INFO L444 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-19 21:02:30,776 INFO L444 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-19 21:02:30,776 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-19 21:02:30,776 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,776 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,776 INFO L444 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-19 21:02:30,777 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-19 21:02:30,777 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-19 21:02:30,777 INFO L444 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-19 21:02:30,777 INFO L444 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-19 21:02:30,777 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-19 21:02:30,777 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,777 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,778 INFO L440 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (or (not (= 6 ~a21~0)) (<= ~a15~0 6) (< 80 ~a12~0) (= 8 ~a15~0) (<= 9 ~a15~0) (<= ~a12~0 11)) [2019-11-19 21:02:30,778 INFO L444 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-19 21:02:30,778 INFO L444 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-19 21:02:30,778 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-19 21:02:30,778 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-19 21:02:30,778 INFO L444 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-19 21:02:30,778 INFO L444 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-19 21:02:30,778 INFO L444 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-19 21:02:30,778 INFO L444 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-19 21:02:30,778 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,778 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,779 INFO L447 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-19 21:02:30,779 INFO L444 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-19 21:02:30,779 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-19 21:02:30,779 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-19 21:02:30,779 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-19 21:02:30,779 INFO L444 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-19 21:02:30,779 INFO L444 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-19 21:02:30,779 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-19 21:02:30,779 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,779 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,780 INFO L444 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-19 21:02:30,780 INFO L444 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-19 21:02:30,780 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-19 21:02:30,780 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-19 21:02:30,780 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:02:30,780 INFO L444 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-19 21:02:30,780 INFO L444 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-19 21:02:30,780 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,780 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,780 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-19 21:02:30,781 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,781 INFO L444 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-19 21:02:30,781 INFO L440 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (not (= 6 ~a21~0)) (<= ~a15~0 6) (< 80 ~a12~0) (= 8 ~a15~0) (<= 9 ~a15~0) (<= ~a12~0 11)) [2019-11-19 21:02:30,781 INFO L444 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-19 21:02:30,781 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-19 21:02:30,781 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-19 21:02:30,781 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-19 21:02:30,781 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-19 21:02:30,781 INFO L444 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-19 21:02:30,781 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-19 21:02:30,782 INFO L444 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-19 21:02:30,782 INFO L444 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-19 21:02:30,782 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,782 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,782 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,782 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-19 21:02:30,782 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-19 21:02:30,782 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-19 21:02:30,782 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-19 21:02:30,782 INFO L444 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-19 21:02:30,782 INFO L444 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-19 21:02:30,783 INFO L444 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-19 21:02:30,783 INFO L444 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-19 21:02:30,783 INFO L444 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-19 21:02:30,783 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,783 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,783 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,783 INFO L444 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-19 21:02:30,783 INFO L444 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-19 21:02:30,783 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-19 21:02:30,783 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-19 21:02:30,783 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:02:30,784 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-19 21:02:30,784 INFO L444 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-19 21:02:30,784 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-19 21:02:30,784 INFO L444 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-19 21:02:30,784 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,784 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,784 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,784 INFO L444 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-19 21:02:30,784 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-19 21:02:30,784 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-19 21:02:30,785 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-19 21:02:30,785 INFO L444 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-19 21:02:30,785 INFO L444 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-19 21:02:30,785 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-19 21:02:30,785 INFO L444 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-19 21:02:30,785 INFO L444 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-19 21:02:30,785 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,785 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,785 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 21:02:30,785 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-19 21:02:30,785 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-19 21:02:30,786 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-19 21:02:30,786 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-19 21:02:30,786 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-19 21:02:30,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:02:30 BoogieIcfgContainer [2019-11-19 21:02:30,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:02:30,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:02:30,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:02:30,803 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:02:30,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:02:18" (3/4) ... [2019-11-19 21:02:30,807 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:02:30,835 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:02:30,837 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:02:31,040 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:02:31,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:02:31,043 INFO L168 Benchmark]: Toolchain (without parser) took 15758.16 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 676.3 MB). Free memory was 953.7 MB in the beginning and 1.4 GB in the end (delta: -415.5 MB). Peak memory consumption was 260.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:02:31,044 INFO L168 Benchmark]: CDTParser took 0.27 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. [2019-11-19 21:02:31,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 924.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-11-19 21:02:31,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.78 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:02:31,045 INFO L168 Benchmark]: Boogie Preprocessor took 123.24 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:02:31,046 INFO L168 Benchmark]: RCFGBuilder took 1704.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.0 MB in the end (delta: 124.0 MB). Peak memory consumption was 124.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:02:31,046 INFO L168 Benchmark]: TraceAbstraction took 12647.06 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 525.9 MB). Free memory was 975.0 MB in the beginning and 1.4 GB in the end (delta: -410.7 MB). Peak memory consumption was 115.2 MB. Max. memory is 11.5 GB. [2019-11-19 21:02:31,047 INFO L168 Benchmark]: Witness Printer took 238.83 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:02:31,049 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 924.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 113.78 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 123.24 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1704.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.0 MB in the end (delta: 124.0 MB). Peak memory consumption was 124.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12647.06 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 525.9 MB). Free memory was 975.0 MB in the beginning and 1.4 GB in the end (delta: -410.7 MB). Peak memory consumption was 115.2 MB. Max. memory is 11.5 GB. * Witness Printer took 238.83 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: 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: 880]: Loop Invariant Derived loop invariant: ((((!(6 == a21) || a15 <= 6) || 80 < a12) || 8 == a15) || 9 <= a15) || a12 <= 11 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((!(6 == a21) || a15 <= 6) || 80 < a12) || 8 == a15) || 9 <= a15) || a12 <= 11 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 12.5s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 1360 SDtfs, 1444 SDslu, 54 SDs, 0 SdLazy, 4552 SolverSat, 1117 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1416 GetRequests, 1389 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2674occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 1958 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 41 HoareAnnotationTreeSize, 3 FomulaSimplifications, 860 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 3091 NumberOfCodeBlocks, 3091 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3080 ConstructedInterpolants, 0 QuantifiedInterpolants, 2746328 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1812 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 3388/3404 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...