./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label02.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/Problem01_label02.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 addc9e4e4fc897318cfe4d26c9760729a73864e1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:38:18,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:38:18,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:38:18,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:38:18,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:38:18,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:38:18,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:38:18,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:38:18,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:38:18,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:38:18,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:38:18,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:38:18,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:38:18,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:38:18,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:38:18,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:38:18,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:38:18,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:38:18,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:38:18,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:38:18,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:38:18,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:38:18,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:38:18,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:38:18,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:38:18,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:38:18,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:38:18,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:38:18,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:38:18,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:38:18,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:38:18,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:38:18,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:38:18,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:38:18,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:38:18,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:38:18,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:38:18,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:38:18,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:38:18,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:38:18,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:38:18,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:38:18,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:38:18,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:38:18,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:38:18,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:38:18,360 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:38:18,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:38:18,361 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:38:18,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:38:18,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:38:18,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:38:18,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:38:18,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:38:18,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:38:18,362 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:38:18,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:38:18,363 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:38:18,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:38:18,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:38:18,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:38:18,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:38:18,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:38:18,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:38:18,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:38:18,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:38:18,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:38:18,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:38:18,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:38:18,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:38:18,367 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 -> addc9e4e4fc897318cfe4d26c9760729a73864e1 [2019-11-27 22:38:18,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:38:18,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:38:18,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:38:18,707 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:38:18,707 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:38:18,708 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2019-11-27 22:38:18,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981792b14/73ce120f89484732a88c6bce82d1ab47/FLAGc53e9e3e1 [2019-11-27 22:38:19,301 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:38:19,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2019-11-27 22:38:19,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981792b14/73ce120f89484732a88c6bce82d1ab47/FLAGc53e9e3e1 [2019-11-27 22:38:19,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/981792b14/73ce120f89484732a88c6bce82d1ab47 [2019-11-27 22:38:19,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:38:19,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:38:19,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:38:19,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:38:19,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:38:19,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:38:19" (1/1) ... [2019-11-27 22:38:19,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177923f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:19, skipping insertion in model container [2019-11-27 22:38:19,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:38:19" (1/1) ... [2019-11-27 22:38:19,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:38:19,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:38:20,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:38:20,327 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:38:20,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:38:20,472 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:38:20,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:20 WrapperNode [2019-11-27 22:38:20,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:38:20,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:38:20,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:38:20,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:38:20,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:20" (1/1) ... [2019-11-27 22:38:20,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:20" (1/1) ... [2019-11-27 22:38:20,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:38:20,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:38:20,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:38:20,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:38:20,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:20" (1/1) ... [2019-11-27 22:38:20,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:20" (1/1) ... [2019-11-27 22:38:20,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:20" (1/1) ... [2019-11-27 22:38:20,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:20" (1/1) ... [2019-11-27 22:38:20,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:20" (1/1) ... [2019-11-27 22:38:20,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:20" (1/1) ... [2019-11-27 22:38:20,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:20" (1/1) ... [2019-11-27 22:38:20,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:38:20,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:38:20,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:38:20,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:38:20,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:20" (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 22:38:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:38:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:38:21,982 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:38:21,982 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 22:38:21,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:38:21 BoogieIcfgContainer [2019-11-27 22:38:21,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:38:21,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:38:21,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:38:21,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:38:21,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:38:19" (1/3) ... [2019-11-27 22:38:21,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6d547f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:38:21, skipping insertion in model container [2019-11-27 22:38:21,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:20" (2/3) ... [2019-11-27 22:38:21,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6d547f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:38:21, skipping insertion in model container [2019-11-27 22:38:21,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:38:21" (3/3) ... [2019-11-27 22:38:21,994 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label02.c [2019-11-27 22:38:22,005 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:38:22,013 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:38:22,028 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:38:22,060 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:38:22,061 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:38:22,061 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:38:22,061 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:38:22,062 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:38:22,062 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:38:22,062 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:38:22,063 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:38:22,096 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-11-27 22:38:22,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-27 22:38:22,111 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:22,112 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:38:22,113 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:22,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:22,121 INFO L82 PathProgramCache]: Analyzing trace with hash -776841673, now seen corresponding path program 1 times [2019-11-27 22:38:22,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:22,133 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997587839] [2019-11-27 22:38:22,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:22,698 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 22:38:22,699 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997587839] [2019-11-27 22:38:22,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:22,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:38:22,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847632960] [2019-11-27 22:38:22,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:38:22,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:22,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:38:22,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:38:22,728 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-11-27 22:38:24,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:24,231 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-11-27 22:38:24,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:38:24,232 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2019-11-27 22:38:24,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:24,250 INFO L225 Difference]: With dead ends: 662 [2019-11-27 22:38:24,251 INFO L226 Difference]: Without dead ends: 397 [2019-11-27 22:38:24,256 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 22:38:24,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-11-27 22:38:24,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 266. [2019-11-27 22:38:24,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-11-27 22:38:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2019-11-27 22:38:24,318 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 90 [2019-11-27 22:38:24,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:24,320 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2019-11-27 22:38:24,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:38:24,320 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2019-11-27 22:38:24,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-27 22:38:24,324 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:24,325 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:24,325 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:24,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:24,326 INFO L82 PathProgramCache]: Analyzing trace with hash 904352266, now seen corresponding path program 1 times [2019-11-27 22:38:24,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:24,326 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743046642] [2019-11-27 22:38:24,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:24,401 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:38:24,401 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743046642] [2019-11-27 22:38:24,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:24,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:38:24,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404869162] [2019-11-27 22:38:24,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:38:24,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:24,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:38:24,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:38:24,408 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 4 states. [2019-11-27 22:38:25,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:25,214 INFO L93 Difference]: Finished difference Result 1054 states and 1512 transitions. [2019-11-27 22:38:25,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:38:25,215 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2019-11-27 22:38:25,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:25,227 INFO L225 Difference]: With dead ends: 1054 [2019-11-27 22:38:25,227 INFO L226 Difference]: Without dead ends: 790 [2019-11-27 22:38:25,229 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 22:38:25,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-11-27 22:38:25,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-11-27 22:38:25,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-11-27 22:38:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1067 transitions. [2019-11-27 22:38:25,291 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1067 transitions. Word has length 96 [2019-11-27 22:38:25,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:25,291 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1067 transitions. [2019-11-27 22:38:25,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:38:25,291 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1067 transitions. [2019-11-27 22:38:25,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-27 22:38:25,296 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:25,297 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:25,297 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:25,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:25,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1983827210, now seen corresponding path program 1 times [2019-11-27 22:38:25,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:25,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781396700] [2019-11-27 22:38:25,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:25,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-27 22:38:25,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781396700] [2019-11-27 22:38:25,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:25,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:38:25,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588224771] [2019-11-27 22:38:25,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:38:25,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:25,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:38:25,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:38:25,437 INFO L87 Difference]: Start difference. First operand 790 states and 1067 transitions. Second operand 3 states. [2019-11-27 22:38:25,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:25,948 INFO L93 Difference]: Finished difference Result 2233 states and 3029 transitions. [2019-11-27 22:38:25,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:38:25,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2019-11-27 22:38:25,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:25,957 INFO L225 Difference]: With dead ends: 2233 [2019-11-27 22:38:25,958 INFO L226 Difference]: Without dead ends: 1445 [2019-11-27 22:38:25,960 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:38:25,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2019-11-27 22:38:25,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2019-11-27 22:38:25,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-11-27 22:38:26,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1878 transitions. [2019-11-27 22:38:26,000 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1878 transitions. Word has length 97 [2019-11-27 22:38:26,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:26,001 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1878 transitions. [2019-11-27 22:38:26,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:38:26,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1878 transitions. [2019-11-27 22:38:26,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-27 22:38:26,011 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:26,012 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:26,012 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:26,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:26,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1892128057, now seen corresponding path program 1 times [2019-11-27 22:38:26,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:26,013 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533010757] [2019-11-27 22:38:26,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-27 22:38:26,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533010757] [2019-11-27 22:38:26,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:26,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:38:26,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436573939] [2019-11-27 22:38:26,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:38:26,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:26,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:38:26,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:38:26,154 INFO L87 Difference]: Start difference. First operand 1445 states and 1878 transitions. Second operand 3 states. [2019-11-27 22:38:26,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:26,759 INFO L93 Difference]: Finished difference Result 3150 states and 4119 transitions. [2019-11-27 22:38:26,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:38:26,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2019-11-27 22:38:26,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:26,770 INFO L225 Difference]: With dead ends: 3150 [2019-11-27 22:38:26,770 INFO L226 Difference]: Without dead ends: 1707 [2019-11-27 22:38:26,773 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:38:26,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-27 22:38:26,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1445. [2019-11-27 22:38:26,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-11-27 22:38:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1873 transitions. [2019-11-27 22:38:26,819 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1873 transitions. Word has length 116 [2019-11-27 22:38:26,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:26,820 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1873 transitions. [2019-11-27 22:38:26,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:38:26,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1873 transitions. [2019-11-27 22:38:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-27 22:38:26,824 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:26,824 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:26,825 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:26,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:26,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1006771335, now seen corresponding path program 1 times [2019-11-27 22:38:26,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:26,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297840869] [2019-11-27 22:38:26,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-27 22:38:26,888 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297840869] [2019-11-27 22:38:26,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:26,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:38:26,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702791196] [2019-11-27 22:38:26,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:38:26,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:26,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:38:26,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:38:26,891 INFO L87 Difference]: Start difference. First operand 1445 states and 1873 transitions. Second operand 3 states. [2019-11-27 22:38:27,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:27,409 INFO L93 Difference]: Finished difference Result 3805 states and 4890 transitions. [2019-11-27 22:38:27,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:38:27,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-11-27 22:38:27,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:27,420 INFO L225 Difference]: With dead ends: 3805 [2019-11-27 22:38:27,420 INFO L226 Difference]: Without dead ends: 2362 [2019-11-27 22:38:27,423 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:38:27,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2019-11-27 22:38:27,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1838. [2019-11-27 22:38:27,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-27 22:38:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2315 transitions. [2019-11-27 22:38:27,470 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2315 transitions. Word has length 133 [2019-11-27 22:38:27,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:27,470 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2315 transitions. [2019-11-27 22:38:27,470 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:38:27,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2315 transitions. [2019-11-27 22:38:27,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-27 22:38:27,475 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:27,475 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:27,475 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:27,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:27,476 INFO L82 PathProgramCache]: Analyzing trace with hash 546693328, now seen corresponding path program 1 times [2019-11-27 22:38:27,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:27,477 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852390260] [2019-11-27 22:38:27,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-27 22:38:27,575 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852390260] [2019-11-27 22:38:27,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:27,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:38:27,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371085510] [2019-11-27 22:38:27,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:38:27,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:27,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:38:27,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:38:27,579 INFO L87 Difference]: Start difference. First operand 1838 states and 2315 transitions. Second operand 3 states. [2019-11-27 22:38:28,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:28,027 INFO L93 Difference]: Finished difference Result 3936 states and 4944 transitions. [2019-11-27 22:38:28,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:38:28,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-11-27 22:38:28,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:28,039 INFO L225 Difference]: With dead ends: 3936 [2019-11-27 22:38:28,039 INFO L226 Difference]: Without dead ends: 2100 [2019-11-27 22:38:28,043 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:38:28,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2019-11-27 22:38:28,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2100. [2019-11-27 22:38:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2019-11-27 22:38:28,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2595 transitions. [2019-11-27 22:38:28,092 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2595 transitions. Word has length 155 [2019-11-27 22:38:28,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:28,093 INFO L462 AbstractCegarLoop]: Abstraction has 2100 states and 2595 transitions. [2019-11-27 22:38:28,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:38:28,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2595 transitions. [2019-11-27 22:38:28,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-27 22:38:28,098 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:28,098 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:28,099 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:28,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:28,099 INFO L82 PathProgramCache]: Analyzing trace with hash -967776360, now seen corresponding path program 1 times [2019-11-27 22:38:28,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:28,100 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50771234] [2019-11-27 22:38:28,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-27 22:38:28,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50771234] [2019-11-27 22:38:28,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:28,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-27 22:38:28,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507385762] [2019-11-27 22:38:28,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 22:38:28,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:28,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 22:38:28,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:38:28,326 INFO L87 Difference]: Start difference. First operand 2100 states and 2595 transitions. Second operand 8 states. [2019-11-27 22:38:29,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:29,595 INFO L93 Difference]: Finished difference Result 4371 states and 5367 transitions. [2019-11-27 22:38:29,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-27 22:38:29,596 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2019-11-27 22:38:29,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:29,606 INFO L225 Difference]: With dead ends: 4371 [2019-11-27 22:38:29,606 INFO L226 Difference]: Without dead ends: 2273 [2019-11-27 22:38:29,609 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:38:29,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2019-11-27 22:38:29,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2100. [2019-11-27 22:38:29,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2019-11-27 22:38:29,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2583 transitions. [2019-11-27 22:38:29,654 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2583 transitions. Word has length 159 [2019-11-27 22:38:29,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:29,655 INFO L462 AbstractCegarLoop]: Abstraction has 2100 states and 2583 transitions. [2019-11-27 22:38:29,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 22:38:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2583 transitions. [2019-11-27 22:38:29,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-27 22:38:29,660 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:29,660 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:29,661 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:29,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:29,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1011248568, now seen corresponding path program 1 times [2019-11-27 22:38:29,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:29,662 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034148558] [2019-11-27 22:38:29,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-27 22:38:29,782 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034148558] [2019-11-27 22:38:29,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:29,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:38:29,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853635290] [2019-11-27 22:38:29,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:38:29,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:29,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:38:29,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:38:29,785 INFO L87 Difference]: Start difference. First operand 2100 states and 2583 transitions. Second operand 4 states. [2019-11-27 22:38:30,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:30,678 INFO L93 Difference]: Finished difference Result 4331 states and 5314 transitions. [2019-11-27 22:38:30,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:38:30,678 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 192 [2019-11-27 22:38:30,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:30,685 INFO L225 Difference]: With dead ends: 4331 [2019-11-27 22:38:30,686 INFO L226 Difference]: Without dead ends: 2233 [2019-11-27 22:38:30,689 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 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 22:38:30,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2019-11-27 22:38:30,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 2231. [2019-11-27 22:38:30,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2019-11-27 22:38:30,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2606 transitions. [2019-11-27 22:38:30,728 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2606 transitions. Word has length 192 [2019-11-27 22:38:30,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:30,729 INFO L462 AbstractCegarLoop]: Abstraction has 2231 states and 2606 transitions. [2019-11-27 22:38:30,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:38:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2606 transitions. [2019-11-27 22:38:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-27 22:38:30,734 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:30,735 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:30,735 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:30,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:30,735 INFO L82 PathProgramCache]: Analyzing trace with hash -566866055, now seen corresponding path program 1 times [2019-11-27 22:38:30,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:30,736 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12473381] [2019-11-27 22:38:30,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:30,884 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-11-27 22:38:30,884 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12473381] [2019-11-27 22:38:30,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:30,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:38:30,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506072077] [2019-11-27 22:38:30,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:38:30,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:30,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:38:30,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:38:30,893 INFO L87 Difference]: Start difference. First operand 2231 states and 2606 transitions. Second operand 3 states. [2019-11-27 22:38:31,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:31,406 INFO L93 Difference]: Finished difference Result 2757 states and 3185 transitions. [2019-11-27 22:38:31,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:38:31,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-11-27 22:38:31,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:31,422 INFO L225 Difference]: With dead ends: 2757 [2019-11-27 22:38:31,423 INFO L226 Difference]: Without dead ends: 2755 [2019-11-27 22:38:31,424 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:38:31,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2019-11-27 22:38:31,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 1969. [2019-11-27 22:38:31,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2019-11-27 22:38:31,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2324 transitions. [2019-11-27 22:38:31,574 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2324 transitions. Word has length 194 [2019-11-27 22:38:31,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:31,575 INFO L462 AbstractCegarLoop]: Abstraction has 1969 states and 2324 transitions. [2019-11-27 22:38:31,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:38:31,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2324 transitions. [2019-11-27 22:38:31,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-11-27 22:38:31,584 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:31,584 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:31,585 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:31,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:31,585 INFO L82 PathProgramCache]: Analyzing trace with hash 643345862, now seen corresponding path program 1 times [2019-11-27 22:38:31,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:31,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583364134] [2019-11-27 22:38:31,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-27 22:38:31,793 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583364134] [2019-11-27 22:38:31,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:31,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:38:31,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157720611] [2019-11-27 22:38:31,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:38:31,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:31,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:38:31,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:38:31,798 INFO L87 Difference]: Start difference. First operand 1969 states and 2324 transitions. Second operand 4 states. [2019-11-27 22:38:32,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:32,668 INFO L93 Difference]: Finished difference Result 4460 states and 5224 transitions. [2019-11-27 22:38:32,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:38:32,671 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 198 [2019-11-27 22:38:32,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:32,682 INFO L225 Difference]: With dead ends: 4460 [2019-11-27 22:38:32,683 INFO L226 Difference]: Without dead ends: 2493 [2019-11-27 22:38:32,686 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:38:32,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2019-11-27 22:38:32,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 1969. [2019-11-27 22:38:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2019-11-27 22:38:32,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2312 transitions. [2019-11-27 22:38:32,742 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2312 transitions. Word has length 198 [2019-11-27 22:38:32,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:32,743 INFO L462 AbstractCegarLoop]: Abstraction has 1969 states and 2312 transitions. [2019-11-27 22:38:32,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:38:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2312 transitions. [2019-11-27 22:38:32,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-11-27 22:38:32,752 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:32,753 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:32,753 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:32,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:32,754 INFO L82 PathProgramCache]: Analyzing trace with hash -333400197, now seen corresponding path program 1 times [2019-11-27 22:38:32,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:32,754 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57010548] [2019-11-27 22:38:32,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-11-27 22:38:32,919 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57010548] [2019-11-27 22:38:32,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:32,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-27 22:38:32,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957398736] [2019-11-27 22:38:32,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-27 22:38:32,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:32,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-27 22:38:32,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-27 22:38:32,922 INFO L87 Difference]: Start difference. First operand 1969 states and 2312 transitions. Second operand 6 states. [2019-11-27 22:38:33,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:33,784 INFO L93 Difference]: Finished difference Result 4105 states and 4797 transitions. [2019-11-27 22:38:33,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 22:38:33,785 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2019-11-27 22:38:33,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:33,795 INFO L225 Difference]: With dead ends: 4105 [2019-11-27 22:38:33,796 INFO L226 Difference]: Without dead ends: 2138 [2019-11-27 22:38:33,799 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-27 22:38:33,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2019-11-27 22:38:33,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 1838. [2019-11-27 22:38:33,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-27 22:38:33,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2102 transitions. [2019-11-27 22:38:33,838 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2102 transitions. Word has length 219 [2019-11-27 22:38:33,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:33,839 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2102 transitions. [2019-11-27 22:38:33,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-27 22:38:33,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2102 transitions. [2019-11-27 22:38:33,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-27 22:38:33,845 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:33,846 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:33,846 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:33,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:33,848 INFO L82 PathProgramCache]: Analyzing trace with hash 471134404, now seen corresponding path program 1 times [2019-11-27 22:38:33,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:33,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268726040] [2019-11-27 22:38:33,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 194 proven. 4 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-11-27 22:38:34,085 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268726040] [2019-11-27 22:38:34,086 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62309471] [2019-11-27 22:38:34,086 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 22:38:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:34,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 22:38:34,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:38:34,350 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-11-27 22:38:34,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 22:38:34,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2019-11-27 22:38:34,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581448163] [2019-11-27 22:38:34,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:38:34,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:34,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:38:34,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:38:34,353 INFO L87 Difference]: Start difference. First operand 1838 states and 2102 transitions. Second operand 3 states. [2019-11-27 22:38:34,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:34,802 INFO L93 Difference]: Finished difference Result 3672 states and 4201 transitions. [2019-11-27 22:38:34,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:38:34,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2019-11-27 22:38:34,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:34,804 INFO L225 Difference]: With dead ends: 3672 [2019-11-27 22:38:34,804 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 22:38:34,807 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 242 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 22:38:34,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 22:38:34,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 22:38:34,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 22:38:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 22:38:34,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2019-11-27 22:38:34,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:34,809 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 22:38:34,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:38:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 22:38:34,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 22:38:35,026 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:38:35,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 22:38:35,221 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 91 [2019-11-27 22:38:35,352 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 92 [2019-11-27 22:38:35,870 WARN L192 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2019-11-27 22:38:36,150 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 34 [2019-11-27 22:38:36,154 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-27 22:38:36,154 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-27 22:38:36,154 INFO L246 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,155 INFO L246 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,155 INFO L246 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,155 INFO L246 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,155 INFO L246 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,155 INFO L246 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,155 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-27 22:38:36,155 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-27 22:38:36,155 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-27 22:38:36,155 INFO L246 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-27 22:38:36,156 INFO L246 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-27 22:38:36,156 INFO L246 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-27 22:38:36,156 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-27 22:38:36,156 INFO L246 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-27 22:38:36,156 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-27 22:38:36,156 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-27 22:38:36,156 INFO L246 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,156 INFO L246 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,156 INFO L246 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,157 INFO L246 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,158 INFO L246 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,158 INFO L246 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,158 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-27 22:38:36,158 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-27 22:38:36,158 INFO L246 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-27 22:38:36,159 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-27 22:38:36,159 INFO L246 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-27 22:38:36,159 INFO L246 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-27 22:38:36,159 INFO L246 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-27 22:38:36,159 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-27 22:38:36,160 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-27 22:38:36,160 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-27 22:38:36,160 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-27 22:38:36,160 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-27 22:38:36,160 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-27 22:38:36,161 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-27 22:38:36,161 INFO L246 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-27 22:38:36,161 INFO L246 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,161 INFO L246 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,162 INFO L246 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,162 INFO L246 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,162 INFO L246 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,162 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-27 22:38:36,162 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-27 22:38:36,163 INFO L246 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-27 22:38:36,163 INFO L246 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-27 22:38:36,163 INFO L246 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-27 22:38:36,163 INFO L246 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-27 22:38:36,164 INFO L246 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-27 22:38:36,164 INFO L246 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-27 22:38:36,164 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-27 22:38:36,165 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse1 (<= ~a17~0 0)) (.cse5 (= ~a16~0 6)) (.cse0 (= ~a16~0 4)) (.cse6 (not (= 1 ~a7~0))) (.cse4 (<= ~a21~0 0)) (.cse7 (= ~a17~0 1)) (.cse2 (= ~a21~0 1)) (.cse3 (not (= 13 ~a8~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1) (and .cse4 .cse5) (and .cse6 .cse2 .cse5 .cse3) (and .cse7 (= ~a20~0 1) .cse2) (and .cse6 .cse7 .cse2) (and .cse0 .cse6 .cse2) (and .cse4 .cse7) (and .cse2 .cse3 (= ~a16~0 5)))) [2019-11-27 22:38:36,165 INFO L246 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,165 INFO L246 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,165 INFO L246 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,166 INFO L246 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,166 INFO L246 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,166 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-27 22:38:36,166 INFO L246 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-27 22:38:36,166 INFO L246 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-27 22:38:36,166 INFO L246 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-27 22:38:36,167 INFO L246 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-27 22:38:36,167 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-27 22:38:36,167 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-27 22:38:36,167 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-27 22:38:36,167 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-27 22:38:36,168 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-27 22:38:36,168 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-27 22:38:36,168 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-27 22:38:36,168 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-27 22:38:36,168 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-11-27 22:38:36,169 INFO L246 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,169 INFO L246 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,169 INFO L246 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,169 INFO L246 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,169 INFO L246 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,170 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-27 22:38:36,170 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-27 22:38:36,170 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-27 22:38:36,170 INFO L246 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-27 22:38:36,170 INFO L246 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-27 22:38:36,170 INFO L246 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-27 22:38:36,171 INFO L246 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-27 22:38:36,171 INFO L246 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-27 22:38:36,171 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-27 22:38:36,171 INFO L246 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,171 INFO L246 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,171 INFO L246 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,172 INFO L246 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,172 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-27 22:38:36,172 INFO L246 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,172 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-27 22:38:36,172 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-27 22:38:36,172 INFO L246 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-27 22:38:36,173 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-27 22:38:36,173 INFO L246 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-27 22:38:36,173 INFO L246 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-27 22:38:36,173 INFO L246 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-27 22:38:36,173 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 22:38:36,173 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-27 22:38:36,174 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-27 22:38:36,174 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-27 22:38:36,174 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-27 22:38:36,174 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-27 22:38:36,174 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-27 22:38:36,174 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,175 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (<= ~a17~0 0)) (.cse5 (= ~a16~0 6)) (.cse0 (= ~a16~0 4)) (.cse6 (not (= 1 ~a7~0))) (.cse4 (<= ~a21~0 0)) (.cse7 (= ~a17~0 1)) (.cse2 (= ~a21~0 1)) (.cse3 (not (= 13 ~a8~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1) (and .cse4 .cse5) (and .cse6 .cse2 .cse5 .cse3) (and .cse7 (= ~a20~0 1) .cse2) (and .cse6 .cse7 .cse2) (and .cse0 .cse6 .cse2) (and .cse4 .cse7) (and .cse2 .cse3 (= ~a16~0 5)))) [2019-11-27 22:38:36,175 INFO L246 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,175 INFO L246 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,175 INFO L246 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,175 INFO L246 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,176 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-27 22:38:36,176 INFO L246 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-27 22:38:36,176 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-27 22:38:36,176 INFO L246 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-27 22:38:36,176 INFO L246 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-27 22:38:36,176 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-27 22:38:36,177 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-27 22:38:36,177 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-27 22:38:36,177 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,177 INFO L246 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,177 INFO L246 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,177 INFO L246 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,178 INFO L246 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,178 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-27 22:38:36,178 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 22:38:36,178 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-27 22:38:36,178 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-27 22:38:36,178 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-27 22:38:36,179 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-27 22:38:36,179 INFO L246 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-27 22:38:36,179 INFO L246 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-27 22:38:36,179 INFO L246 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-27 22:38:36,179 INFO L246 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-27 22:38:36,180 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-27 22:38:36,180 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-27 22:38:36,180 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-27 22:38:36,180 INFO L246 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,180 INFO L246 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,180 INFO L246 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,181 INFO L246 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,181 INFO L246 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-27 22:38:36,181 INFO L246 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,181 INFO L246 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,181 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-27 22:38:36,181 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-27 22:38:36,182 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 22:38:36,182 INFO L246 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-27 22:38:36,182 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-27 22:38:36,182 INFO L246 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-27 22:38:36,182 INFO L246 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-27 22:38:36,182 INFO L246 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-27 22:38:36,183 INFO L246 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-27 22:38:36,183 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-27 22:38:36,183 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-27 22:38:36,183 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-27 22:38:36,183 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-27 22:38:36,183 INFO L246 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,184 INFO L246 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,184 INFO L246 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,184 INFO L246 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,184 INFO L246 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,184 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-27 22:38:36,184 INFO L246 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,185 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-27 22:38:36,185 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-27 22:38:36,185 INFO L246 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-27 22:38:36,185 INFO L246 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-27 22:38:36,185 INFO L246 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-27 22:38:36,185 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-27 22:38:36,186 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-27 22:38:36,186 INFO L246 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-27 22:38:36,186 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-27 22:38:36,186 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-27 22:38:36,186 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-27 22:38:36,186 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 22:38:36,187 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 446) no Hoare annotation was computed. [2019-11-27 22:38:36,187 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-27 22:38:36,187 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-27 22:38:36,187 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-27 22:38:36,187 INFO L246 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,188 INFO L246 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,188 INFO L246 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,188 INFO L246 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,188 INFO L246 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,188 INFO L246 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:36,188 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-27 22:38:36,189 INFO L246 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-27 22:38:36,189 INFO L246 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-27 22:38:36,189 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-27 22:38:36,189 INFO L246 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-27 22:38:36,189 INFO L246 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-27 22:38:36,189 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-27 22:38:36,190 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-27 22:38:36,190 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-27 22:38:36,190 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-27 22:38:36,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:38:36 BoogieIcfgContainer [2019-11-27 22:38:36,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:38:36,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:38:36,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:38:36,217 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:38:36,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:38:21" (3/4) ... [2019-11-27 22:38:36,225 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 22:38:36,268 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 22:38:36,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 22:38:36,502 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:38:36,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:38:36,504 INFO L168 Benchmark]: Toolchain (without parser) took 16873.67 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 435.2 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -93.8 MB). Peak memory consumption was 341.4 MB. Max. memory is 11.5 GB. [2019-11-27 22:38:36,506 INFO L168 Benchmark]: CDTParser took 0.31 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 22:38:36,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 840.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-27 22:38:36,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:38:36,508 INFO L168 Benchmark]: Boogie Preprocessor took 95.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:38:36,508 INFO L168 Benchmark]: RCFGBuilder took 1330.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.8 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. [2019-11-27 22:38:36,509 INFO L168 Benchmark]: TraceAbstraction took 14229.38 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 285.2 MB). Free memory was 994.8 MB in the beginning and 1.1 GB in the end (delta: -68.2 MB). Peak memory consumption was 217.0 MB. Max. memory is 11.5 GB. [2019-11-27 22:38:36,510 INFO L168 Benchmark]: Witness Printer took 285.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:38:36,512 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 840.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1330.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.8 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14229.38 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 285.2 MB). Free memory was 994.8 MB in the beginning and 1.1 GB in the end (delta: -68.2 MB). Peak memory consumption was 217.0 MB. Max. memory is 11.5 GB. * Witness Printer took 285.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 446]: 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: 30]: Loop Invariant Derived loop invariant: ((((((((((a16 == 4 && a17 <= 0) && a21 == 1) && !(13 == a8)) || ((a21 <= 0 && a16 == 4) && a17 <= 0)) || (a21 <= 0 && a16 == 6)) || (((!(1 == a7) && a21 == 1) && a16 == 6) && !(13 == a8))) || ((a17 == 1 && a20 == 1) && a21 == 1)) || ((!(1 == a7) && a17 == 1) && a21 == 1)) || ((a16 == 4 && !(1 == a7)) && a21 == 1)) || (a21 <= 0 && a17 == 1)) || ((a21 == 1 && !(13 == a8)) && a16 == 5) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((a16 == 4 && a17 <= 0) && a21 == 1) && !(13 == a8)) || ((a21 <= 0 && a16 == 4) && a17 <= 0)) || (a21 <= 0 && a16 == 6)) || (((!(1 == a7) && a21 == 1) && a16 == 6) && !(13 == a8))) || ((a17 == 1 && a20 == 1) && a21 == 1)) || ((!(1 == a7) && a17 == 1) && a21 == 1)) || ((a16 == 4 && !(1 == a7)) && a21 == 1)) || (a21 <= 0 && a17 == 1)) || ((a21 == 1 && !(13 == a8)) && a16 == 5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 12.9s, OverallIterations: 12, TraceHistogramMax: 6, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, HoareTripleCheckerStatistics: 930 SDtfs, 2193 SDslu, 136 SDs, 0 SdLazy, 6433 SolverSat, 1043 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 287 GetRequests, 258 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2231occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 2702 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 34 NumberOfFragments, 195 HoareAnnotationTreeSize, 3 FomulaSimplifications, 16249 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3449 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2131 NumberOfCodeBlocks, 2131 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2118 ConstructedInterpolants, 0 QuantifiedInterpolants, 915680 SizeOfPredicates, 1 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 1826/1830 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...