./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label35.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem14_label35.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 6ce3a8414620349d445c3b6a48a94d1ac7b317f1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:10:43,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:10:43,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:10:43,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:10:43,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:10:43,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:10:43,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:10:43,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:10:43,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:10:43,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:10:43,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:10:43,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:10:43,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:10:43,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:10:43,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:10:43,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:10:43,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:10:43,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:10:43,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:10:43,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:10:43,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:10:43,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:10:43,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:10:43,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:10:43,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:10:43,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:10:43,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:10:43,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:10:43,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:10:43,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:10:43,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:10:43,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:10:43,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:10:43,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:10:43,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:10:43,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:10:43,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:10:43,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:10:43,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:10:43,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:10:43,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:10:43,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:10:43,177 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:10:43,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:10:43,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:10:43,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:10:43,183 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:10:43,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:10:43,184 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:10:43,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:10:43,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:10:43,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:10:43,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:10:43,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:10:43,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:10:43,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:10:43,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:10:43,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:10:43,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:10:43,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:10:43,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:10:43,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:10:43,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:10:43,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:10:43,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:10:43,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:10:43,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:10:43,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:10:43,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:10:43,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:10:43,192 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 -> 6ce3a8414620349d445c3b6a48a94d1ac7b317f1 [2019-11-27 23:10:43,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:10:43,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:10:43,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:10:43,550 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:10:43,551 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:10:43,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2019-11-27 23:10:43,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1c89c20f/191e0c60ce3e442eaf06abb189734448/FLAG0c7656d48 [2019-11-27 23:10:44,220 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:10:44,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2019-11-27 23:10:44,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1c89c20f/191e0c60ce3e442eaf06abb189734448/FLAG0c7656d48 [2019-11-27 23:10:44,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1c89c20f/191e0c60ce3e442eaf06abb189734448 [2019-11-27 23:10:44,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:10:44,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:10:44,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:10:44,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:10:44,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:10:44,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:10:44" (1/1) ... [2019-11-27 23:10:44,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704f1545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:44, skipping insertion in model container [2019-11-27 23:10:44,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:10:44" (1/1) ... [2019-11-27 23:10:44,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:10:44,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:10:45,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:10:45,130 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:10:45,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:10:45,402 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:10:45,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:45 WrapperNode [2019-11-27 23:10:45,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:10:45,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:10:45,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:10:45,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:10:45,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:45" (1/1) ... [2019-11-27 23:10:45,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:45" (1/1) ... [2019-11-27 23:10:45,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:10:45,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:10:45,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:10:45,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:10:45,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:45" (1/1) ... [2019-11-27 23:10:45,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:45" (1/1) ... [2019-11-27 23:10:45,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:45" (1/1) ... [2019-11-27 23:10:45,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:45" (1/1) ... [2019-11-27 23:10:45,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:45" (1/1) ... [2019-11-27 23:10:45,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:45" (1/1) ... [2019-11-27 23:10:45,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:45" (1/1) ... [2019-11-27 23:10:45,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:10:45,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:10:45,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:10:45,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:10:45,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:10:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:10:45,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:10:47,375 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:10:47,376 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 23:10:47,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:10:47 BoogieIcfgContainer [2019-11-27 23:10:47,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:10:47,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:10:47,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:10:47,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:10:47,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:10:44" (1/3) ... [2019-11-27 23:10:47,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d7c2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:10:47, skipping insertion in model container [2019-11-27 23:10:47,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:45" (2/3) ... [2019-11-27 23:10:47,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d7c2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:10:47, skipping insertion in model container [2019-11-27 23:10:47,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:10:47" (3/3) ... [2019-11-27 23:10:47,394 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label35.c [2019-11-27 23:10:47,406 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:10:47,416 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:10:47,430 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:10:47,464 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:10:47,464 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:10:47,464 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:10:47,464 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:10:47,464 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:10:47,465 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:10:47,465 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:10:47,465 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:10:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-27 23:10:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-27 23:10:47,497 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:47,499 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] [2019-11-27 23:10:47,499 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:47,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:47,506 INFO L82 PathProgramCache]: Analyzing trace with hash 626000386, now seen corresponding path program 1 times [2019-11-27 23:10:47,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:47,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871932263] [2019-11-27 23:10:47,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:47,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:10:47,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871932263] [2019-11-27 23:10:47,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:10:47,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:10:47,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588671266] [2019-11-27 23:10:47,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:10:47,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:47,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:10:47,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:47,843 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-27 23:10:49,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:49,637 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-11-27 23:10:49,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:10:49,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-11-27 23:10:49,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:49,660 INFO L225 Difference]: With dead ends: 850 [2019-11-27 23:10:49,661 INFO L226 Difference]: Without dead ends: 538 [2019-11-27 23:10:49,668 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:49,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-27 23:10:49,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-27 23:10:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-27 23:10:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 826 transitions. [2019-11-27 23:10:49,775 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 826 transitions. Word has length 44 [2019-11-27 23:10:49,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:49,776 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 826 transitions. [2019-11-27 23:10:49,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:10:49,777 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 826 transitions. [2019-11-27 23:10:49,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-27 23:10:49,786 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:49,787 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:10:49,787 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:49,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:49,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1977613187, now seen corresponding path program 1 times [2019-11-27 23:10:49,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:49,788 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694951456] [2019-11-27 23:10:49,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-27 23:10:50,051 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694951456] [2019-11-27 23:10:50,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:10:50,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:10:50,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114692032] [2019-11-27 23:10:50,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:10:50,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:50,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:10:50,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:50,055 INFO L87 Difference]: Start difference. First operand 538 states and 826 transitions. Second operand 4 states. [2019-11-27 23:10:51,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:51,772 INFO L93 Difference]: Finished difference Result 1964 states and 3003 transitions. [2019-11-27 23:10:51,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:10:51,773 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 179 [2019-11-27 23:10:51,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:51,782 INFO L225 Difference]: With dead ends: 1964 [2019-11-27 23:10:51,782 INFO L226 Difference]: Without dead ends: 1428 [2019-11-27 23:10:51,785 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:51,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2019-11-27 23:10:51,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2019-11-27 23:10:51,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-11-27 23:10:51,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 2029 transitions. [2019-11-27 23:10:51,839 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 2029 transitions. Word has length 179 [2019-11-27 23:10:51,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:51,840 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 2029 transitions. [2019-11-27 23:10:51,840 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:10:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2029 transitions. [2019-11-27 23:10:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-27 23:10:51,846 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:51,846 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:10:51,847 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:51,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:51,848 INFO L82 PathProgramCache]: Analyzing trace with hash 60380273, now seen corresponding path program 1 times [2019-11-27 23:10:51,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:51,848 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161989081] [2019-11-27 23:10:51,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-27 23:10:52,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161989081] [2019-11-27 23:10:52,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:10:52,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:10:52,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38553175] [2019-11-27 23:10:52,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:10:52,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:52,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:10:52,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:52,006 INFO L87 Difference]: Start difference. First operand 1428 states and 2029 transitions. Second operand 4 states. [2019-11-27 23:10:53,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:53,431 INFO L93 Difference]: Finished difference Result 4456 states and 6356 transitions. [2019-11-27 23:10:53,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:10:53,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 182 [2019-11-27 23:10:53,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:53,449 INFO L225 Difference]: With dead ends: 4456 [2019-11-27 23:10:53,449 INFO L226 Difference]: Without dead ends: 3030 [2019-11-27 23:10:53,454 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:53,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2019-11-27 23:10:53,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2674. [2019-11-27 23:10:53,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-11-27 23:10:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3515 transitions. [2019-11-27 23:10:53,533 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3515 transitions. Word has length 182 [2019-11-27 23:10:53,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:53,536 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 3515 transitions. [2019-11-27 23:10:53,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:10:53,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3515 transitions. [2019-11-27 23:10:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-11-27 23:10:53,552 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:53,552 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:10:53,553 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:53,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:53,553 INFO L82 PathProgramCache]: Analyzing trace with hash -336208231, now seen corresponding path program 1 times [2019-11-27 23:10:53,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:53,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796214869] [2019-11-27 23:10:53,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 243 proven. 4 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-11-27 23:10:54,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796214869] [2019-11-27 23:10:54,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57369476] [2019-11-27 23:10:54,018 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 [2019-11-27 23:10:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:54,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 23:10:54,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:10:54,358 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-11-27 23:10:54,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 23:10:54,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-27 23:10:54,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629534687] [2019-11-27 23:10:54,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:10:54,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:54,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:10:54,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:10:54,361 INFO L87 Difference]: Start difference. First operand 2674 states and 3515 transitions. Second operand 3 states. [2019-11-27 23:10:55,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:55,177 INFO L93 Difference]: Finished difference Result 6058 states and 8071 transitions. [2019-11-27 23:10:55,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:10:55,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2019-11-27 23:10:55,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:55,201 INFO L225 Difference]: With dead ends: 6058 [2019-11-27 23:10:55,201 INFO L226 Difference]: Without dead ends: 3564 [2019-11-27 23:10:55,206 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 301 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:10:55,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2019-11-27 23:10:55,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2019-11-27 23:10:55,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2019-11-27 23:10:55,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4347 transitions. [2019-11-27 23:10:55,316 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4347 transitions. Word has length 302 [2019-11-27 23:10:55,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:55,320 INFO L462 AbstractCegarLoop]: Abstraction has 3386 states and 4347 transitions. [2019-11-27 23:10:55,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:10:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4347 transitions. [2019-11-27 23:10:55,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-11-27 23:10:55,328 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:55,329 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2019-11-27 23:10:55,541 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:10:55,541 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:55,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:55,542 INFO L82 PathProgramCache]: Analyzing trace with hash -252330841, now seen corresponding path program 1 times [2019-11-27 23:10:55,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:55,544 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588958458] [2019-11-27 23:10:55,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:55,984 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 253 proven. 4 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-11-27 23:10:55,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588958458] [2019-11-27 23:10:55,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747818544] [2019-11-27 23:10:55,986 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 [2019-11-27 23:10:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:56,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 23:10:56,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:10:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2019-11-27 23:10:56,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 23:10:56,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-27 23:10:56,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683390015] [2019-11-27 23:10:56,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:10:56,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:56,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:10:56,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:10:56,357 INFO L87 Difference]: Start difference. First operand 3386 states and 4347 transitions. Second operand 3 states. [2019-11-27 23:10:57,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:57,230 INFO L93 Difference]: Finished difference Result 7482 states and 9752 transitions. [2019-11-27 23:10:57,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:10:57,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2019-11-27 23:10:57,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:57,252 INFO L225 Difference]: With dead ends: 7482 [2019-11-27 23:10:57,252 INFO L226 Difference]: Without dead ends: 4276 [2019-11-27 23:10:57,257 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 321 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:10:57,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2019-11-27 23:10:57,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 4098. [2019-11-27 23:10:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2019-11-27 23:10:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 5268 transitions. [2019-11-27 23:10:57,338 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 5268 transitions. Word has length 322 [2019-11-27 23:10:57,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:57,339 INFO L462 AbstractCegarLoop]: Abstraction has 4098 states and 5268 transitions. [2019-11-27 23:10:57,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:10:57,339 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 5268 transitions. [2019-11-27 23:10:57,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2019-11-27 23:10:57,350 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:57,351 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2019-11-27 23:10:57,555 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:10:57,555 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:57,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:57,556 INFO L82 PathProgramCache]: Analyzing trace with hash -697103569, now seen corresponding path program 1 times [2019-11-27 23:10:57,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:57,557 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447123703] [2019-11-27 23:10:57,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 253 proven. 4 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-11-27 23:10:57,911 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447123703] [2019-11-27 23:10:57,911 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664970897] [2019-11-27 23:10:57,912 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 [2019-11-27 23:10:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:58,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:10:58,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:10:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 286 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-27 23:10:58,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-27 23:10:58,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2019-11-27 23:10:58,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406019397] [2019-11-27 23:10:58,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:10:58,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:58,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:10:58,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:10:58,360 INFO L87 Difference]: Start difference. First operand 4098 states and 5268 transitions. Second operand 8 states. [2019-11-27 23:11:01,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:11:02,000 INFO L93 Difference]: Finished difference Result 9225 states and 11800 transitions. [2019-11-27 23:11:02,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-27 23:11:02,005 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 370 [2019-11-27 23:11:02,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:11:02,006 INFO L225 Difference]: With dead ends: 9225 [2019-11-27 23:11:02,006 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:11:02,015 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 371 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2019-11-27 23:11:02,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:11:02,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:11:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:11:02,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:11:02,017 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 370 [2019-11-27 23:11:02,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:11:02,017 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:11:02,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:11:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:11:02,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:11:02,221 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:11:02,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:11:02,381 INFO L246 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-27 23:11:02,381 INFO L246 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-27 23:11:02,381 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,382 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,382 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,382 INFO L246 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-27 23:11:02,382 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-27 23:11:02,382 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-27 23:11:02,382 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-27 23:11:02,382 INFO L246 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-27 23:11:02,382 INFO L246 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-27 23:11:02,382 INFO L246 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-27 23:11:02,383 INFO L246 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-27 23:11:02,383 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,383 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,384 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,384 INFO L246 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-27 23:11:02,384 INFO L246 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-27 23:11:02,384 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-27 23:11:02,384 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-27 23:11:02,384 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-27 23:11:02,384 INFO L246 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-27 23:11:02,384 INFO L246 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-27 23:11:02,384 INFO L246 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-27 23:11:02,384 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,385 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,385 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,385 INFO L246 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-27 23:11:02,385 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-27 23:11:02,385 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-27 23:11:02,386 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-27 23:11:02,386 INFO L246 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-27 23:11:02,386 INFO L246 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-27 23:11:02,386 INFO L246 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-27 23:11:02,386 INFO L246 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-27 23:11:02,387 INFO L246 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-27 23:11:02,387 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,387 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,387 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,387 INFO L246 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-27 23:11:02,388 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-27 23:11:02,388 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-27 23:11:02,388 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-27 23:11:02,388 INFO L246 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-27 23:11:02,389 INFO L246 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-27 23:11:02,389 INFO L246 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-27 23:11:02,389 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,389 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,389 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,389 INFO L246 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-27 23:11:02,390 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-27 23:11:02,390 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-27 23:11:02,390 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-27 23:11:02,390 INFO L246 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-27 23:11:02,390 INFO L246 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-27 23:11:02,391 INFO L246 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-27 23:11:02,391 INFO L246 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-27 23:11:02,391 INFO L246 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-27 23:11:02,391 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,391 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,392 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,392 INFO L246 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-27 23:11:02,392 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-27 23:11:02,392 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-27 23:11:02,392 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-27 23:11:02,392 INFO L246 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-27 23:11:02,393 INFO L246 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-27 23:11:02,393 INFO L246 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-27 23:11:02,393 INFO L246 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-27 23:11:02,393 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,430 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,430 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,430 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-27 23:11:02,430 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-27 23:11:02,430 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-27 23:11:02,430 INFO L246 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-27 23:11:02,431 INFO L246 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-27 23:11:02,431 INFO L246 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-27 23:11:02,431 INFO L246 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-27 23:11:02,431 INFO L246 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-27 23:11:02,431 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,431 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,431 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,431 INFO L246 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-27 23:11:02,432 INFO L246 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-27 23:11:02,432 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:11:02,432 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-27 23:11:02,432 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-27 23:11:02,432 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-27 23:11:02,432 INFO L246 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-27 23:11:02,432 INFO L246 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-27 23:11:02,432 INFO L246 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-27 23:11:02,433 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,434 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,434 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,434 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-27 23:11:02,434 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-27 23:11:02,434 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-27 23:11:02,434 INFO L246 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-27 23:11:02,435 INFO L246 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-27 23:11:02,435 INFO L246 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-27 23:11:02,435 INFO L246 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-27 23:11:02,435 INFO L246 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-27 23:11:02,435 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,435 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,435 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,435 INFO L246 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-27 23:11:02,435 INFO L246 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-27 23:11:02,436 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-27 23:11:02,437 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-27 23:11:02,437 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-27 23:11:02,437 INFO L246 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-27 23:11:02,437 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:11:02,437 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 136) no Hoare annotation was computed. [2019-11-27 23:11:02,437 INFO L246 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-27 23:11:02,438 INFO L246 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-27 23:11:02,443 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,443 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,443 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,444 INFO L246 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-27 23:11:02,444 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-27 23:11:02,444 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-27 23:11:02,444 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-27 23:11:02,444 INFO L246 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-27 23:11:02,444 INFO L246 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-27 23:11:02,445 INFO L246 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-27 23:11:02,445 INFO L246 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-27 23:11:02,445 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,448 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,451 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,451 INFO L246 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-27 23:11:02,451 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-27 23:11:02,452 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-27 23:11:02,452 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-27 23:11:02,452 INFO L246 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-27 23:11:02,452 INFO L246 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-27 23:11:02,452 INFO L246 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-27 23:11:02,452 INFO L246 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-27 23:11:02,453 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,453 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,453 INFO L246 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-27 23:11:02,453 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-27 23:11:02,453 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-27 23:11:02,453 INFO L246 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-27 23:11:02,454 INFO L246 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-27 23:11:02,454 INFO L246 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-27 23:11:02,454 INFO L246 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-27 23:11:02,454 INFO L246 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-27 23:11:02,454 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,454 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,455 INFO L246 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-27 23:11:02,455 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-27 23:11:02,455 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-27 23:11:02,455 INFO L246 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-27 23:11:02,456 INFO L246 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-27 23:11:02,456 INFO L246 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-27 23:11:02,456 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,456 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,459 INFO L242 CegarLoopResult]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse1 (<= ~a21~0 6)) (.cse0 (= ~a24~0 1)) (.cse2 (not (= ~a15~0 6)))) (or (and (<= ~a12~0 80) .cse0) (and .cse0 .cse1) (and .cse0 (= ~a21~0 9)) (and (<= (+ ~a12~0 49) 0) .cse1 .cse2) (and .cse0 .cse2))) [2019-11-27 23:11:02,460 INFO L246 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-27 23:11:02,461 INFO L246 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-27 23:11:02,461 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-27 23:11:02,462 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-27 23:11:02,462 INFO L246 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-27 23:11:02,463 INFO L246 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-27 23:11:02,464 INFO L246 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-27 23:11:02,464 INFO L246 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-27 23:11:02,466 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,466 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,466 INFO L249 CegarLoopResult]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-27 23:11:02,466 INFO L246 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-27 23:11:02,466 INFO L246 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-27 23:11:02,466 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-27 23:11:02,467 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-27 23:11:02,467 INFO L246 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-27 23:11:02,467 INFO L246 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-27 23:11:02,467 INFO L246 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-27 23:11:02,467 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,467 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,468 INFO L246 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-27 23:11:02,468 INFO L246 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-27 23:11:02,468 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-27 23:11:02,468 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-27 23:11:02,468 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:11:02,469 INFO L246 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-27 23:11:02,469 INFO L246 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-27 23:11:02,470 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,470 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,470 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-27 23:11:02,470 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,470 INFO L246 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-27 23:11:02,471 INFO L242 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (<= ~a21~0 6)) (.cse0 (= ~a24~0 1)) (.cse2 (not (= ~a15~0 6)))) (or (and (<= ~a12~0 80) .cse0) (and .cse0 .cse1) (and .cse0 (= ~a21~0 9)) (and (<= (+ ~a12~0 49) 0) .cse1 .cse2) (and .cse0 .cse2))) [2019-11-27 23:11:02,473 INFO L246 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-27 23:11:02,473 INFO L246 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-27 23:11:02,473 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-27 23:11:02,473 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-27 23:11:02,473 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-27 23:11:02,474 INFO L246 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-27 23:11:02,474 INFO L246 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-27 23:11:02,474 INFO L246 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-27 23:11:02,474 INFO L246 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-27 23:11:02,474 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,474 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,474 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,475 INFO L246 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-27 23:11:02,475 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-27 23:11:02,475 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-27 23:11:02,475 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-27 23:11:02,475 INFO L246 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-27 23:11:02,475 INFO L246 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-27 23:11:02,476 INFO L246 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-27 23:11:02,476 INFO L246 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-27 23:11:02,476 INFO L246 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-27 23:11:02,476 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,476 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,477 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,477 INFO L246 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-27 23:11:02,477 INFO L246 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-27 23:11:02,477 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-27 23:11:02,477 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-27 23:11:02,478 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:11:02,478 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-27 23:11:02,478 INFO L246 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-27 23:11:02,478 INFO L246 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-27 23:11:02,478 INFO L246 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-27 23:11:02,478 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,479 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,479 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,479 INFO L246 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-27 23:11:02,479 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-27 23:11:02,479 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-27 23:11:02,479 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-27 23:11:02,480 INFO L246 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-27 23:11:02,480 INFO L246 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-27 23:11:02,480 INFO L246 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-27 23:11:02,480 INFO L246 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-27 23:11:02,480 INFO L246 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-27 23:11:02,480 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,486 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,486 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:11:02,486 INFO L246 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-27 23:11:02,487 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-27 23:11:02,487 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-27 23:11:02,487 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-27 23:11:02,487 INFO L246 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-27 23:11:02,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:11:02 BoogieIcfgContainer [2019-11-27 23:11:02,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:11:02,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:11:02,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:11:02,510 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:11:02,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:10:47" (3/4) ... [2019-11-27 23:11:02,515 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:11:02,543 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 23:11:02,545 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:11:02,782 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:11:02,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:11:02,785 INFO L168 Benchmark]: Toolchain (without parser) took 18356.92 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 572.0 MB). Free memory was 951.0 MB in the beginning and 1.5 GB in the end (delta: -559.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:11:02,786 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:11:02,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 974.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -115.5 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:11:02,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:11:02,788 INFO L168 Benchmark]: Boogie Preprocessor took 140.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:11:02,788 INFO L168 Benchmark]: RCFGBuilder took 1711.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 912.4 MB in the end (delta: 132.7 MB). Peak memory consumption was 132.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:11:02,790 INFO L168 Benchmark]: TraceAbstraction took 15127.93 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 484.4 MB). Free memory was 912.4 MB in the beginning and 1.5 GB in the end (delta: -630.9 MB). Peak memory consumption was 471.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:11:02,791 INFO L168 Benchmark]: Witness Printer took 272.85 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:11:02,793 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 974.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -115.5 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 122.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 140.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1711.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 912.4 MB in the end (delta: 132.7 MB). Peak memory consumption was 132.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15127.93 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 484.4 MB). Free memory was 912.4 MB in the beginning and 1.5 GB in the end (delta: -630.9 MB). Peak memory consumption was 471.4 MB. Max. memory is 11.5 GB. * Witness Printer took 272.85 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 136]: 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: ((((a12 <= 80 && a24 == 1) || (a24 == 1 && a21 <= 6)) || (a24 == 1 && a21 == 9)) || ((a12 + 49 <= 0 && a21 <= 6) && !(a15 == 6))) || (a24 == 1 && !(a15 == 6)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((a12 <= 80 && a24 == 1) || (a24 == 1 && a21 <= 6)) || (a24 == 1 && a21 == 9)) || ((a12 + 49 <= 0 && a21 <= 6) && !(a15 == 6))) || (a24 == 1 && !(a15 == 6)) - 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: 14.7s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 473 SDtfs, 2565 SDslu, 77 SDs, 0 SdLazy, 5819 SolverSat, 1803 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1024 GetRequests, 996 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4098occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 712 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 76 NumberOfFragments, 87 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1478 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2393 NumberOfCodeBlocks, 2393 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2384 ConstructedInterpolants, 0 QuantifiedInterpolants, 2053116 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1309 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 2473/2511 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...