./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label43.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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_label43.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 5c739325db675539f25b419a33c8766e100c13e7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 15:43:47,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:43:47,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:43:47,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:43:47,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:43:47,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:43:47,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:43:47,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:43:47,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:43:47,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:43:47,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:43:47,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:43:47,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:43:47,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:43:47,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:43:47,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:43:47,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:43:47,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:43:47,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:43:47,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:43:47,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:43:47,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:43:47,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:43:47,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:43:47,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:43:47,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:43:47,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:43:47,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:43:47,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:43:47,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:43:47,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:43:47,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:43:47,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:43:47,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:43:47,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:43:47,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:43:47,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:43:47,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:43:47,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:43:47,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:43:47,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:43:47,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:43:47,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:43:47,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:43:47,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:43:47,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:43:47,319 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:43:47,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:43:47,320 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:43:47,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:43:47,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:43:47,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:43:47,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:43:47,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:43:47,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:43:47,323 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:43:47,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:43:47,324 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:43:47,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:43:47,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:43:47,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:43:47,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:43:47,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:43:47,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:43:47,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:43:47,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:43:47,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:43:47,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:43:47,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:43:47,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:43:47,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:43:47,330 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 -> 5c739325db675539f25b419a33c8766e100c13e7 [2019-11-28 15:43:47,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:43:47,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:43:47,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:43:47,720 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:43:47,722 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:43:47,723 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label43.c [2019-11-28 15:43:47,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d22f8f5/d30c95e5aa3a4dc1a4d41438d252e2d0/FLAG4e8f5d493 [2019-11-28 15:43:48,401 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:43:48,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label43.c [2019-11-28 15:43:48,423 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d22f8f5/d30c95e5aa3a4dc1a4d41438d252e2d0/FLAG4e8f5d493 [2019-11-28 15:43:48,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d22f8f5/d30c95e5aa3a4dc1a4d41438d252e2d0 [2019-11-28 15:43:48,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:43:48,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:43:48,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:43:48,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:43:48,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:43:48,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:43:48" (1/1) ... [2019-11-28 15:43:48,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3b2e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:48, skipping insertion in model container [2019-11-28 15:43:48,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:43:48" (1/1) ... [2019-11-28 15:43:48,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:43:48,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:43:49,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:43:49,282 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:43:49,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:43:49,401 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:43:49,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:49 WrapperNode [2019-11-28 15:43:49,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:43:49,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:43:49,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:43:49,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:43:49,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:49" (1/1) ... [2019-11-28 15:43:49,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:49" (1/1) ... [2019-11-28 15:43:49,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:43:49,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:43:49,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:43:49,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:43:49,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:49" (1/1) ... [2019-11-28 15:43:49,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:49" (1/1) ... [2019-11-28 15:43:49,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:49" (1/1) ... [2019-11-28 15:43:49,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:49" (1/1) ... [2019-11-28 15:43:49,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:49" (1/1) ... [2019-11-28 15:43:49,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:49" (1/1) ... [2019-11-28 15:43:49,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:49" (1/1) ... [2019-11-28 15:43:49,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:43:49,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:43:49,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:43:49,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:43:49,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:49" (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 [2019-11-28 15:43:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:43:49,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:43:50,918 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:43:50,918 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:43:50,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:50 BoogieIcfgContainer [2019-11-28 15:43:50,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:43:50,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:43:50,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:43:50,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:43:50,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:43:48" (1/3) ... [2019-11-28 15:43:50,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d8b1bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:43:50, skipping insertion in model container [2019-11-28 15:43:50,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:49" (2/3) ... [2019-11-28 15:43:50,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d8b1bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:43:50, skipping insertion in model container [2019-11-28 15:43:50,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:50" (3/3) ... [2019-11-28 15:43:50,931 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label43.c [2019-11-28 15:43:50,942 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:43:50,952 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:43:50,967 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:43:50,999 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:43:50,999 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:43:51,000 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:43:51,000 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:43:51,000 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:43:51,000 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:43:51,001 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:43:51,001 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:43:51,024 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-11-28 15:43:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-28 15:43:51,039 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:51,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:51,041 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:51,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:51,048 INFO L82 PathProgramCache]: Analyzing trace with hash -46355601, now seen corresponding path program 1 times [2019-11-28 15:43:51,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:51,061 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778417906] [2019-11-28 15:43:51,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:52,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:43:52,283 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778417906] [2019-11-28 15:43:52,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:52,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-28 15:43:52,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026608092] [2019-11-28 15:43:52,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 15:43:52,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:52,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 15:43:52,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-11-28 15:43:52,311 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 10 states. [2019-11-28 15:43:52,517 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-11-28 15:43:52,779 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-11-28 15:43:54,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:54,071 INFO L93 Difference]: Finished difference Result 493 states and 846 transitions. [2019-11-28 15:43:54,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 15:43:54,074 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 128 [2019-11-28 15:43:54,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:54,099 INFO L225 Difference]: With dead ends: 493 [2019-11-28 15:43:54,100 INFO L226 Difference]: Without dead ends: 193 [2019-11-28 15:43:54,111 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2019-11-28 15:43:54,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2019-11-28 15:43:54,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2019-11-28 15:43:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-11-28 15:43:54,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 264 transitions. [2019-11-28 15:43:54,168 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 264 transitions. Word has length 128 [2019-11-28 15:43:54,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:54,171 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 264 transitions. [2019-11-28 15:43:54,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 15:43:54,171 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 264 transitions. [2019-11-28 15:43:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-28 15:43:54,173 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:54,174 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:54,174 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:54,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:54,175 INFO L82 PathProgramCache]: Analyzing trace with hash 140870055, now seen corresponding path program 1 times [2019-11-28 15:43:54,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:54,175 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632195068] [2019-11-28 15:43:54,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:43:54,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632195068] [2019-11-28 15:43:54,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:54,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:43:54,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333892718] [2019-11-28 15:43:54,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:43:54,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:54,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:43:54,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:43:54,319 INFO L87 Difference]: Start difference. First operand 193 states and 264 transitions. Second operand 4 states. [2019-11-28 15:43:55,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:55,208 INFO L93 Difference]: Finished difference Result 588 states and 859 transitions. [2019-11-28 15:43:55,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:43:55,208 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2019-11-28 15:43:55,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:55,214 INFO L225 Difference]: With dead ends: 588 [2019-11-28 15:43:55,214 INFO L226 Difference]: Without dead ends: 455 [2019-11-28 15:43:55,216 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 [2019-11-28 15:43:55,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2019-11-28 15:43:55,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2019-11-28 15:43:55,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-11-28 15:43:55,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 622 transitions. [2019-11-28 15:43:55,252 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 622 transitions. Word has length 132 [2019-11-28 15:43:55,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:55,253 INFO L462 AbstractCegarLoop]: Abstraction has 455 states and 622 transitions. [2019-11-28 15:43:55,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:43:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 622 transitions. [2019-11-28 15:43:55,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-28 15:43:55,260 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:55,261 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:55,261 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:55,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:55,262 INFO L82 PathProgramCache]: Analyzing trace with hash 119342607, now seen corresponding path program 1 times [2019-11-28 15:43:55,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:55,262 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177877486] [2019-11-28 15:43:55,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:55,388 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 15:43:55,389 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177877486] [2019-11-28 15:43:55,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:55,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:43:55,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873014348] [2019-11-28 15:43:55,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:43:55,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:55,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:43:55,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:43:55,395 INFO L87 Difference]: Start difference. First operand 455 states and 622 transitions. Second operand 4 states. [2019-11-28 15:43:56,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:56,030 INFO L93 Difference]: Finished difference Result 1243 states and 1735 transitions. [2019-11-28 15:43:56,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:43:56,032 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2019-11-28 15:43:56,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:56,037 INFO L225 Difference]: With dead ends: 1243 [2019-11-28 15:43:56,038 INFO L226 Difference]: Without dead ends: 848 [2019-11-28 15:43:56,040 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 [2019-11-28 15:43:56,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2019-11-28 15:43:56,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 848. [2019-11-28 15:43:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 848 states. [2019-11-28 15:43:56,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1129 transitions. [2019-11-28 15:43:56,098 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1129 transitions. Word has length 137 [2019-11-28 15:43:56,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:56,099 INFO L462 AbstractCegarLoop]: Abstraction has 848 states and 1129 transitions. [2019-11-28 15:43:56,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:43:56,099 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1129 transitions. [2019-11-28 15:43:56,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-28 15:43:56,103 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:56,103 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:56,104 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:56,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:56,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1936496881, now seen corresponding path program 1 times [2019-11-28 15:43:56,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:56,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992803873] [2019-11-28 15:43:56,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:56,177 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 15:43:56,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992803873] [2019-11-28 15:43:56,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:56,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:43:56,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537155269] [2019-11-28 15:43:56,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:43:56,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:56,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:43:56,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:43:56,179 INFO L87 Difference]: Start difference. First operand 848 states and 1129 transitions. Second operand 3 states. [2019-11-28 15:43:56,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:56,677 INFO L93 Difference]: Finished difference Result 2029 states and 2749 transitions. [2019-11-28 15:43:56,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:43:56,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-11-28 15:43:56,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:56,685 INFO L225 Difference]: With dead ends: 2029 [2019-11-28 15:43:56,686 INFO L226 Difference]: Without dead ends: 1241 [2019-11-28 15:43:56,688 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 [2019-11-28 15:43:56,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2019-11-28 15:43:56,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 979. [2019-11-28 15:43:56,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 979 states. [2019-11-28 15:43:56,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1309 transitions. [2019-11-28 15:43:56,718 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1309 transitions. Word has length 154 [2019-11-28 15:43:56,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:56,718 INFO L462 AbstractCegarLoop]: Abstraction has 979 states and 1309 transitions. [2019-11-28 15:43:56,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:43:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1309 transitions. [2019-11-28 15:43:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-28 15:43:56,723 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:56,723 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:56,724 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:56,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:56,724 INFO L82 PathProgramCache]: Analyzing trace with hash -454003692, now seen corresponding path program 1 times [2019-11-28 15:43:56,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:56,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250949933] [2019-11-28 15:43:56,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:56,799 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-11-28 15:43:56,800 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250949933] [2019-11-28 15:43:56,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:56,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:43:56,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622838782] [2019-11-28 15:43:56,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:43:56,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:56,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:43:56,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:43:56,803 INFO L87 Difference]: Start difference. First operand 979 states and 1309 transitions. Second operand 3 states. [2019-11-28 15:43:57,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:57,269 INFO L93 Difference]: Finished difference Result 2291 states and 3060 transitions. [2019-11-28 15:43:57,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:43:57,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-11-28 15:43:57,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:57,277 INFO L225 Difference]: With dead ends: 2291 [2019-11-28 15:43:57,277 INFO L226 Difference]: Without dead ends: 1372 [2019-11-28 15:43:57,278 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 [2019-11-28 15:43:57,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2019-11-28 15:43:57,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1241. [2019-11-28 15:43:57,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2019-11-28 15:43:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1589 transitions. [2019-11-28 15:43:57,305 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1589 transitions. Word has length 190 [2019-11-28 15:43:57,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:57,305 INFO L462 AbstractCegarLoop]: Abstraction has 1241 states and 1589 transitions. [2019-11-28 15:43:57,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:43:57,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1589 transitions. [2019-11-28 15:43:57,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-11-28 15:43:57,310 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:57,310 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:57,310 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:57,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:57,311 INFO L82 PathProgramCache]: Analyzing trace with hash -149384224, now seen corresponding path program 1 times [2019-11-28 15:43:57,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:57,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943570584] [2019-11-28 15:43:57,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:57,458 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-11-28 15:43:57,459 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943570584] [2019-11-28 15:43:57,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:57,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:43:57,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531256991] [2019-11-28 15:43:57,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 15:43:57,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:57,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 15:43:57,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-28 15:43:57,463 INFO L87 Difference]: Start difference. First operand 1241 states and 1589 transitions. Second operand 5 states. [2019-11-28 15:43:58,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:58,520 INFO L93 Difference]: Finished difference Result 2684 states and 3453 transitions. [2019-11-28 15:43:58,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 15:43:58,521 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 202 [2019-11-28 15:43:58,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:58,529 INFO L225 Difference]: With dead ends: 2684 [2019-11-28 15:43:58,529 INFO L226 Difference]: Without dead ends: 1503 [2019-11-28 15:43:58,531 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-28 15:43:58,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2019-11-28 15:43:58,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1503. [2019-11-28 15:43:58,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2019-11-28 15:43:58,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1875 transitions. [2019-11-28 15:43:58,563 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1875 transitions. Word has length 202 [2019-11-28 15:43:58,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:58,563 INFO L462 AbstractCegarLoop]: Abstraction has 1503 states and 1875 transitions. [2019-11-28 15:43:58,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 15:43:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1875 transitions. [2019-11-28 15:43:58,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-28 15:43:58,568 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:58,569 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:58,569 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:58,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:58,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1289701893, now seen corresponding path program 1 times [2019-11-28 15:43:58,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:58,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443931477] [2019-11-28 15:43:58,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:58,635 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-11-28 15:43:58,635 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443931477] [2019-11-28 15:43:58,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:58,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:43:58,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871183664] [2019-11-28 15:43:58,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:43:58,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:58,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:43:58,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:43:58,647 INFO L87 Difference]: Start difference. First operand 1503 states and 1875 transitions. Second operand 3 states. [2019-11-28 15:43:59,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:59,139 INFO L93 Difference]: Finished difference Result 3339 states and 4162 transitions. [2019-11-28 15:43:59,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:43:59,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-11-28 15:43:59,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:59,147 INFO L225 Difference]: With dead ends: 3339 [2019-11-28 15:43:59,147 INFO L226 Difference]: Without dead ends: 1634 [2019-11-28 15:43:59,150 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 [2019-11-28 15:43:59,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2019-11-28 15:43:59,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1372. [2019-11-28 15:43:59,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2019-11-28 15:43:59,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1505 transitions. [2019-11-28 15:43:59,178 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1505 transitions. Word has length 205 [2019-11-28 15:43:59,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:59,178 INFO L462 AbstractCegarLoop]: Abstraction has 1372 states and 1505 transitions. [2019-11-28 15:43:59,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:43:59,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1505 transitions. [2019-11-28 15:43:59,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-11-28 15:43:59,184 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:59,184 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:59,184 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:59,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:59,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1709998072, now seen corresponding path program 1 times [2019-11-28 15:43:59,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:59,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888890855] [2019-11-28 15:43:59,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:59,298 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-28 15:43:59,298 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888890855] [2019-11-28 15:43:59,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:59,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:43:59,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974663138] [2019-11-28 15:43:59,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:43:59,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:59,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:43:59,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:43:59,300 INFO L87 Difference]: Start difference. First operand 1372 states and 1505 transitions. Second operand 3 states. [2019-11-28 15:43:59,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:59,958 INFO L93 Difference]: Finished difference Result 3206 states and 3549 transitions. [2019-11-28 15:43:59,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:43:59,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2019-11-28 15:43:59,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:59,959 INFO L225 Difference]: With dead ends: 3206 [2019-11-28 15:43:59,959 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 15:43:59,964 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 [2019-11-28 15:43:59,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 15:43:59,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 15:43:59,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 15:43:59,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 15:43:59,965 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2019-11-28 15:43:59,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:59,965 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 15:43:59,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:43:59,966 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 15:43:59,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:43:59,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 15:44:00,146 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-28 15:44:00,146 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-28 15:44:00,146 INFO L246 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,146 INFO L246 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,146 INFO L246 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,147 INFO L246 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,147 INFO L246 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,147 INFO L246 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,147 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-28 15:44:00,147 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-28 15:44:00,147 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-28 15:44:00,147 INFO L246 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-28 15:44:00,147 INFO L246 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-28 15:44:00,148 INFO L246 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-28 15:44:00,148 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-28 15:44:00,148 INFO L246 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-28 15:44:00,148 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-28 15:44:00,148 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-28 15:44:00,148 INFO L246 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,148 INFO L246 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,148 INFO L246 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,148 INFO L246 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,151 INFO L246 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,152 INFO L246 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,152 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-28 15:44:00,152 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-28 15:44:00,152 INFO L246 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-28 15:44:00,152 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-28 15:44:00,152 INFO L246 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-28 15:44:00,152 INFO L246 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-28 15:44:00,152 INFO L246 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-28 15:44:00,153 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-28 15:44:00,153 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-28 15:44:00,153 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-28 15:44:00,153 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-28 15:44:00,153 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-28 15:44:00,153 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-28 15:44:00,153 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-28 15:44:00,153 INFO L246 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-28 15:44:00,153 INFO L246 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,154 INFO L246 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,159 INFO L246 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,159 INFO L246 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,160 INFO L246 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,160 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-28 15:44:00,160 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-28 15:44:00,160 INFO L246 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-28 15:44:00,160 INFO L246 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-28 15:44:00,160 INFO L246 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-28 15:44:00,160 INFO L246 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-28 15:44:00,160 INFO L246 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-28 15:44:00,161 INFO L246 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-28 15:44:00,163 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-28 15:44:00,164 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (and (not (= ~a16~0 6)) .cse0) (= 1 ~a7~0) (and .cse0 (= 15 ~a8~0)) (and (= ~a17~0 1) .cse0 (= ~a20~0 1)))) [2019-11-28 15:44:00,164 INFO L246 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,164 INFO L246 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,164 INFO L246 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,164 INFO L246 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,165 INFO L246 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,165 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-28 15:44:00,165 INFO L246 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-28 15:44:00,165 INFO L246 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-28 15:44:00,165 INFO L246 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-28 15:44:00,165 INFO L246 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-28 15:44:00,165 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-28 15:44:00,165 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-28 15:44:00,169 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-28 15:44:00,169 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-28 15:44:00,169 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-28 15:44:00,169 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-28 15:44:00,169 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-28 15:44:00,169 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-28 15:44:00,170 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-11-28 15:44:00,170 INFO L246 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,170 INFO L246 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,170 INFO L246 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,170 INFO L246 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,170 INFO L246 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,170 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-28 15:44:00,170 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-28 15:44:00,171 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-28 15:44:00,171 INFO L246 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-28 15:44:00,171 INFO L246 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-28 15:44:00,171 INFO L246 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-28 15:44:00,171 INFO L246 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-28 15:44:00,171 INFO L246 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-28 15:44:00,171 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-28 15:44:00,171 INFO L246 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,171 INFO L246 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,172 INFO L246 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,174 INFO L246 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,174 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-28 15:44:00,174 INFO L246 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,174 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-28 15:44:00,174 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-28 15:44:00,174 INFO L246 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-28 15:44:00,175 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-28 15:44:00,175 INFO L246 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-28 15:44:00,175 INFO L246 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-28 15:44:00,175 INFO L246 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-28 15:44:00,175 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:44:00,175 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-28 15:44:00,175 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-28 15:44:00,175 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-28 15:44:00,175 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-28 15:44:00,176 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-28 15:44:00,176 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-28 15:44:00,176 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,176 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (and (not (= ~a16~0 6)) .cse0) (= 1 ~a7~0) (and .cse0 (= 15 ~a8~0)) (and (= ~a17~0 1) .cse0 (= ~a20~0 1)))) [2019-11-28 15:44:00,176 INFO L246 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,176 INFO L246 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,177 INFO L246 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,178 INFO L246 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,178 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-28 15:44:00,178 INFO L246 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-28 15:44:00,179 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-28 15:44:00,179 INFO L246 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-28 15:44:00,179 INFO L246 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-28 15:44:00,179 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-28 15:44:00,179 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-28 15:44:00,179 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-28 15:44:00,179 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,180 INFO L246 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,180 INFO L246 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,180 INFO L246 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,180 INFO L246 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,180 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-28 15:44:00,180 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:44:00,180 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-28 15:44:00,180 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-28 15:44:00,181 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-28 15:44:00,181 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-28 15:44:00,181 INFO L246 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-28 15:44:00,181 INFO L246 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-28 15:44:00,181 INFO L246 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-28 15:44:00,181 INFO L246 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-28 15:44:00,181 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-28 15:44:00,181 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-28 15:44:00,182 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-28 15:44:00,182 INFO L246 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,182 INFO L246 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,182 INFO L246 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,182 INFO L246 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,182 INFO L246 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-28 15:44:00,182 INFO L246 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,182 INFO L246 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,182 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-28 15:44:00,183 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-28 15:44:00,183 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:44:00,183 INFO L246 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-28 15:44:00,183 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-28 15:44:00,183 INFO L246 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-28 15:44:00,183 INFO L246 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-28 15:44:00,183 INFO L246 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-28 15:44:00,183 INFO L246 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-28 15:44:00,183 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-28 15:44:00,184 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-28 15:44:00,184 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-28 15:44:00,184 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-28 15:44:00,184 INFO L246 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,184 INFO L246 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,184 INFO L246 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,184 INFO L246 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,184 INFO L246 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,184 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-28 15:44:00,185 INFO L246 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,185 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-28 15:44:00,185 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-28 15:44:00,185 INFO L246 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-28 15:44:00,185 INFO L246 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-28 15:44:00,185 INFO L246 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-28 15:44:00,185 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-28 15:44:00,185 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-28 15:44:00,186 INFO L246 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-28 15:44:00,186 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-28 15:44:00,186 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-28 15:44:00,186 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-28 15:44:00,186 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:44:00,186 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed. [2019-11-28 15:44:00,186 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-28 15:44:00,186 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-28 15:44:00,186 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-28 15:44:00,187 INFO L246 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,187 INFO L246 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,187 INFO L246 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,187 INFO L246 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,187 INFO L246 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,187 INFO L246 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:00,187 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-28 15:44:00,187 INFO L246 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-28 15:44:00,187 INFO L246 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-28 15:44:00,188 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-28 15:44:00,188 INFO L246 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-28 15:44:00,189 INFO L246 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-28 15:44:00,189 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-28 15:44:00,189 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-28 15:44:00,189 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-28 15:44:00,190 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-28 15:44:00,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:44:00 BoogieIcfgContainer [2019-11-28 15:44:00,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:44:00,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:44:00,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:44:00,224 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:44:00,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:50" (3/4) ... [2019-11-28 15:44:00,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:44:00,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:44:00,271 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 15:44:00,534 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:44:00,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:44:00,536 INFO L168 Benchmark]: Toolchain (without parser) took 11853.64 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 427.8 MB). Free memory was 956.3 MB in the beginning and 1.4 GB in the end (delta: -420.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:00,536 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:44:00,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:00,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.32 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:00,538 INFO L168 Benchmark]: Boogie Preprocessor took 109.59 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:00,538 INFO L168 Benchmark]: RCFGBuilder took 1278.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:00,539 INFO L168 Benchmark]: TraceAbstraction took 9301.64 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 274.2 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -388.1 MB). Peak memory consumption was 348.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:00,539 INFO L168 Benchmark]: Witness Printer took 310.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:00,542 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 711.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.32 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.59 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1278.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9301.64 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 274.2 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -388.1 MB). Peak memory consumption was 348.6 MB. Max. memory is 11.5 GB. * Witness Printer took 310.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 560]: 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 == 6) && a21 == 1) || 1 == a7) || (a21 == 1 && 15 == a8)) || ((a17 == 1 && a21 == 1) && a20 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a16 == 6) && a21 == 1) || 1 == a7) || (a21 == 1 && 15 == a8)) || ((a17 == 1 && a21 == 1) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 8.9s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 657 SDtfs, 1758 SDslu, 81 SDs, 0 SdLazy, 3723 SolverSat, 641 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1503occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 655 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 38 NumberOfFragments, 59 HoareAnnotationTreeSize, 3 FomulaSimplifications, 804 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1392 NumberOfCodeBlocks, 1392 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1384 ConstructedInterpolants, 0 QuantifiedInterpolants, 733928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 686/686 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...