./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label05.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/Problem02_label05.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 49868ba3cc530a9d4dc385567f0a9711da3734c2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:44:12,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:44:12,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:44:12,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:44:12,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:44:12,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:44:12,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:44:12,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:44:12,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:44:12,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:44:12,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:44:12,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:44:12,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:44:12,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:44:12,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:44:12,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:44:12,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:44:12,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:44:12,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:44:12,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:44:12,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:44:12,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:44:12,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:44:12,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:44:12,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:44:12,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:44:12,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:44:12,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:44:12,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:44:12,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:44:12,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:44:12,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:44:12,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:44:12,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:44:12,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:44:12,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:44:12,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:44:12,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:44:12,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:44:12,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:44:12,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:44:12,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:44:12,129 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:44:12,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:44:12,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:44:12,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:44:12,133 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:44:12,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:44:12,134 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:44:12,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:44:12,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:44:12,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:44:12,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:44:12,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:44:12,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:44:12,136 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:44:12,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:44:12,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:44:12,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:44:12,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:44:12,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:44:12,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:44:12,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:44:12,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:44:12,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:44:12,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:44:12,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:44:12,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:44:12,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:44:12,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:44:12,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:44:12,144 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 -> 49868ba3cc530a9d4dc385567f0a9711da3734c2 [2019-11-28 15:44:12,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:44:12,499 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:44:12,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:44:12,504 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:44:12,505 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:44:12,505 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label05.c [2019-11-28 15:44:12,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68144443e/6d0b641db1824069b2fdb540375f1038/FLAG2755f49e9 [2019-11-28 15:44:13,182 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:44:13,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label05.c [2019-11-28 15:44:13,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68144443e/6d0b641db1824069b2fdb540375f1038/FLAG2755f49e9 [2019-11-28 15:44:13,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68144443e/6d0b641db1824069b2fdb540375f1038 [2019-11-28 15:44:13,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:44:13,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:44:13,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:13,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:44:13,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:44:13,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:13" (1/1) ... [2019-11-28 15:44:13,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e30af7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:13, skipping insertion in model container [2019-11-28 15:44:13,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:13" (1/1) ... [2019-11-28 15:44:13,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:44:13,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:44:14,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:14,057 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:44:14,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:14,251 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:44:14,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14 WrapperNode [2019-11-28 15:44:14,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:14,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:14,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:44:14,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:44:14,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2019-11-28 15:44:14,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2019-11-28 15:44:14,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:14,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:44:14,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:44:14,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:44:14,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2019-11-28 15:44:14,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2019-11-28 15:44:14,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2019-11-28 15:44:14,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2019-11-28 15:44:14,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2019-11-28 15:44:14,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2019-11-28 15:44:14,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (1/1) ... [2019-11-28 15:44:14,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:44:14,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:44:14,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:44:14,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:44:14,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (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 15:44:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:44:14,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:44:15,810 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:44:15,811 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:44:15,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:15 BoogieIcfgContainer [2019-11-28 15:44:15,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:44:15,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:44:15,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:44:15,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:44:15,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:44:13" (1/3) ... [2019-11-28 15:44:15,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcc0f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:15, skipping insertion in model container [2019-11-28 15:44:15,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:14" (2/3) ... [2019-11-28 15:44:15,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcc0f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:15, skipping insertion in model container [2019-11-28 15:44:15,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:15" (3/3) ... [2019-11-28 15:44:15,823 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label05.c [2019-11-28 15:44:15,835 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:44:15,843 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:44:15,857 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:44:15,888 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:44:15,889 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:44:15,889 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:44:15,889 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:44:15,890 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:44:15,890 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:44:15,890 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:44:15,891 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:44:15,921 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-28 15:44:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-28 15:44:15,945 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:15,946 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] [2019-11-28 15:44:15,947 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:15,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:15,954 INFO L82 PathProgramCache]: Analyzing trace with hash 224978685, now seen corresponding path program 1 times [2019-11-28 15:44:15,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:15,965 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423196611] [2019-11-28 15:44:15,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:16,480 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 15:44:16,481 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423196611] [2019-11-28 15:44:16,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:16,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:16,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887698277] [2019-11-28 15:44:16,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:16,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:16,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:16,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:16,514 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-28 15:44:17,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:17,846 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-28 15:44:17,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:17,848 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2019-11-28 15:44:17,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:17,882 INFO L225 Difference]: With dead ends: 739 [2019-11-28 15:44:17,883 INFO L226 Difference]: Without dead ends: 445 [2019-11-28 15:44:17,894 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:17,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-28 15:44:17,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-28 15:44:17,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-28 15:44:17,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-28 15:44:17,997 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 126 [2019-11-28 15:44:17,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:17,998 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-28 15:44:17,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:17,998 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-28 15:44:18,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-28 15:44:18,003 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:18,003 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:18,004 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:18,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:18,004 INFO L82 PathProgramCache]: Analyzing trace with hash -2036409026, now seen corresponding path program 1 times [2019-11-28 15:44:18,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:18,005 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236677027] [2019-11-28 15:44:18,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:18,104 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236677027] [2019-11-28 15:44:18,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:18,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:18,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338896581] [2019-11-28 15:44:18,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:18,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:18,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:18,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:18,110 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-28 15:44:19,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:19,002 INFO L93 Difference]: Finished difference Result 1468 states and 2192 transitions. [2019-11-28 15:44:19,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:19,003 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2019-11-28 15:44:19,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:19,009 INFO L225 Difference]: With dead ends: 1468 [2019-11-28 15:44:19,009 INFO L226 Difference]: Without dead ends: 1025 [2019-11-28 15:44:19,013 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 15:44:19,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2019-11-28 15:44:19,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 729. [2019-11-28 15:44:19,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-28 15:44:19,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1052 transitions. [2019-11-28 15:44:19,047 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1052 transitions. Word has length 144 [2019-11-28 15:44:19,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:19,048 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1052 transitions. [2019-11-28 15:44:19,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1052 transitions. [2019-11-28 15:44:19,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-28 15:44:19,053 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:19,054 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:19,054 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:19,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:19,055 INFO L82 PathProgramCache]: Analyzing trace with hash 562597236, now seen corresponding path program 1 times [2019-11-28 15:44:19,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:19,055 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644558089] [2019-11-28 15:44:19,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:19,131 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:19,131 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644558089] [2019-11-28 15:44:19,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:19,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:44:19,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483587158] [2019-11-28 15:44:19,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:19,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:19,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:19,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:19,134 INFO L87 Difference]: Start difference. First operand 729 states and 1052 transitions. Second operand 3 states. [2019-11-28 15:44:19,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:19,667 INFO L93 Difference]: Finished difference Result 2019 states and 2906 transitions. [2019-11-28 15:44:19,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:19,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-11-28 15:44:19,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:19,675 INFO L225 Difference]: With dead ends: 2019 [2019-11-28 15:44:19,676 INFO L226 Difference]: Without dead ends: 1292 [2019-11-28 15:44:19,678 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 15:44:19,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2019-11-28 15:44:19,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1292. [2019-11-28 15:44:19,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1292 states. [2019-11-28 15:44:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1740 transitions. [2019-11-28 15:44:19,715 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1740 transitions. Word has length 148 [2019-11-28 15:44:19,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:19,716 INFO L462 AbstractCegarLoop]: Abstraction has 1292 states and 1740 transitions. [2019-11-28 15:44:19,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:19,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1740 transitions. [2019-11-28 15:44:19,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-28 15:44:19,721 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:19,721 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:19,722 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:19,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:19,722 INFO L82 PathProgramCache]: Analyzing trace with hash -427762560, now seen corresponding path program 1 times [2019-11-28 15:44:19,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:19,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612911961] [2019-11-28 15:44:19,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:19,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612911961] [2019-11-28 15:44:19,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:19,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:19,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349540240] [2019-11-28 15:44:19,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:19,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:19,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:19,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:19,848 INFO L87 Difference]: Start difference. First operand 1292 states and 1740 transitions. Second operand 4 states. [2019-11-28 15:44:20,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:20,987 INFO L93 Difference]: Finished difference Result 3847 states and 5106 transitions. [2019-11-28 15:44:20,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:20,988 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 157 [2019-11-28 15:44:20,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:21,007 INFO L225 Difference]: With dead ends: 3847 [2019-11-28 15:44:21,007 INFO L226 Difference]: Without dead ends: 2557 [2019-11-28 15:44:21,010 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 15:44:21,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2019-11-28 15:44:21,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2133. [2019-11-28 15:44:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2019-11-28 15:44:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2651 transitions. [2019-11-28 15:44:21,074 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2651 transitions. Word has length 157 [2019-11-28 15:44:21,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:21,075 INFO L462 AbstractCegarLoop]: Abstraction has 2133 states and 2651 transitions. [2019-11-28 15:44:21,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:21,075 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2651 transitions. [2019-11-28 15:44:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-28 15:44:21,081 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:21,082 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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 15:44:21,082 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:21,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:21,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1377673417, now seen corresponding path program 1 times [2019-11-28 15:44:21,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:21,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223905415] [2019-11-28 15:44:21,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 15:44:21,235 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223905415] [2019-11-28 15:44:21,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:21,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:44:21,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82963815] [2019-11-28 15:44:21,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:21,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:21,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:21,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:21,237 INFO L87 Difference]: Start difference. First operand 2133 states and 2651 transitions. Second operand 4 states. [2019-11-28 15:44:21,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:21,864 INFO L93 Difference]: Finished difference Result 4264 states and 5300 transitions. [2019-11-28 15:44:21,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:21,868 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 164 [2019-11-28 15:44:21,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:21,879 INFO L225 Difference]: With dead ends: 4264 [2019-11-28 15:44:21,881 INFO L226 Difference]: Without dead ends: 2133 [2019-11-28 15:44:21,886 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:21,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2019-11-28 15:44:21,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1713. [2019-11-28 15:44:21,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1713 states. [2019-11-28 15:44:21,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2014 transitions. [2019-11-28 15:44:21,931 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2014 transitions. Word has length 164 [2019-11-28 15:44:21,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:21,932 INFO L462 AbstractCegarLoop]: Abstraction has 1713 states and 2014 transitions. [2019-11-28 15:44:21,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:21,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2014 transitions. [2019-11-28 15:44:21,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-28 15:44:21,937 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:21,937 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:21,938 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:21,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:21,938 INFO L82 PathProgramCache]: Analyzing trace with hash 598951767, now seen corresponding path program 1 times [2019-11-28 15:44:21,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:21,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605278287] [2019-11-28 15:44:21,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:22,020 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 15:44:22,021 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605278287] [2019-11-28 15:44:22,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:22,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:22,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698343422] [2019-11-28 15:44:22,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:22,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:22,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:22,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:22,025 INFO L87 Difference]: Start difference. First operand 1713 states and 2014 transitions. Second operand 3 states. [2019-11-28 15:44:22,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:22,562 INFO L93 Difference]: Finished difference Result 3710 states and 4325 transitions. [2019-11-28 15:44:22,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:22,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-11-28 15:44:22,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:22,572 INFO L225 Difference]: With dead ends: 3710 [2019-11-28 15:44:22,572 INFO L226 Difference]: Without dead ends: 1857 [2019-11-28 15:44:22,576 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 15:44:22,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2019-11-28 15:44:22,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1711. [2019-11-28 15:44:22,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1711 states. [2019-11-28 15:44:22,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1711 states and 1947 transitions. [2019-11-28 15:44:22,620 INFO L78 Accepts]: Start accepts. Automaton has 1711 states and 1947 transitions. Word has length 177 [2019-11-28 15:44:22,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:22,623 INFO L462 AbstractCegarLoop]: Abstraction has 1711 states and 1947 transitions. [2019-11-28 15:44:22,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:22,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 1947 transitions. [2019-11-28 15:44:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-11-28 15:44:22,628 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:22,628 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:22,628 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:22,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:22,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1414473184, now seen corresponding path program 1 times [2019-11-28 15:44:22,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:22,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545124163] [2019-11-28 15:44:22,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-28 15:44:22,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545124163] [2019-11-28 15:44:22,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:22,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:22,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027349848] [2019-11-28 15:44:22,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:22,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:22,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:22,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:22,770 INFO L87 Difference]: Start difference. First operand 1711 states and 1947 transitions. Second operand 3 states. [2019-11-28 15:44:23,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:23,353 INFO L93 Difference]: Finished difference Result 4116 states and 4672 transitions. [2019-11-28 15:44:23,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:23,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2019-11-28 15:44:23,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:23,362 INFO L225 Difference]: With dead ends: 4116 [2019-11-28 15:44:23,362 INFO L226 Difference]: Without dead ends: 1704 [2019-11-28 15:44:23,366 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 15:44:23,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2019-11-28 15:44:23,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1564. [2019-11-28 15:44:23,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1564 states. [2019-11-28 15:44:23,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 1712 transitions. [2019-11-28 15:44:23,402 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 1712 transitions. Word has length 186 [2019-11-28 15:44:23,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:23,402 INFO L462 AbstractCegarLoop]: Abstraction has 1564 states and 1712 transitions. [2019-11-28 15:44:23,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:23,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1712 transitions. [2019-11-28 15:44:23,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-11-28 15:44:23,410 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:23,410 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:23,411 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:23,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:23,411 INFO L82 PathProgramCache]: Analyzing trace with hash 9217155, now seen corresponding path program 1 times [2019-11-28 15:44:23,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:23,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070954975] [2019-11-28 15:44:23,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-28 15:44:23,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070954975] [2019-11-28 15:44:23,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001057525] [2019-11-28 15:44:23,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:44:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:23,748 INFO L264 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 15:44:23,761 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:44:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-28 15:44:23,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 15:44:23,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-28 15:44:23,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262846527] [2019-11-28 15:44:23,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:23,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:23,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:23,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:44:23,843 INFO L87 Difference]: Start difference. First operand 1564 states and 1712 transitions. Second operand 3 states. [2019-11-28 15:44:24,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:24,298 INFO L93 Difference]: Finished difference Result 2836 states and 3080 transitions. [2019-11-28 15:44:24,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:24,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2019-11-28 15:44:24,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:24,299 INFO L225 Difference]: With dead ends: 2836 [2019-11-28 15:44:24,299 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 15:44:24,302 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:44:24,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 15:44:24,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 15:44:24,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 15:44:24,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 15:44:24,304 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2019-11-28 15:44:24,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:24,304 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 15:44:24,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:24,304 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 15:44:24,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:44:24,510 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:44:24,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 15:44:24,765 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2019-11-28 15:44:24,890 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2019-11-28 15:44:24,897 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,897 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,898 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,898 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-28 15:44:24,898 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-28 15:44:24,898 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-28 15:44:24,898 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-28 15:44:24,898 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-28 15:44:24,898 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-28 15:44:24,898 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-28 15:44:24,898 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,899 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,901 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,902 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-28 15:44:24,902 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-28 15:44:24,902 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-28 15:44:24,902 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-28 15:44:24,902 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:44:24,902 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:44:24,902 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-28 15:44:24,903 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,903 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,903 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,903 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-28 15:44:24,903 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-28 15:44:24,903 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-28 15:44:24,904 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-28 15:44:24,904 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-28 15:44:24,904 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,904 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,904 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,904 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-28 15:44:24,904 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-28 15:44:24,904 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-28 15:44:24,904 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-28 15:44:24,906 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-28 15:44:24,906 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-28 15:44:24,906 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-28 15:44:24,907 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-28 15:44:24,907 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,907 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,907 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,907 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-28 15:44:24,910 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-28 15:44:24,910 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-28 15:44:24,911 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-28 15:44:24,911 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-28 15:44:24,911 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-28 15:44:24,911 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-28 15:44:24,911 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-28 15:44:24,911 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,911 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,911 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,911 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:44:24,911 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:44:24,912 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:44:24,912 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:44:24,912 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-28 15:44:24,912 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-28 15:44:24,913 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-28 15:44:24,913 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-28 15:44:24,913 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-28 15:44:24,913 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,913 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,913 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,913 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-28 15:44:24,913 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-28 15:44:24,913 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-28 15:44:24,913 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-28 15:44:24,914 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-28 15:44:24,914 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-28 15:44:24,914 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,914 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,914 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,914 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-28 15:44:24,914 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-28 15:44:24,914 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-28 15:44:24,914 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-28 15:44:24,915 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-28 15:44:24,915 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:44:24,915 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-28 15:44:24,915 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-28 15:44:24,915 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-28 15:44:24,915 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,915 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,915 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,915 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-28 15:44:24,916 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-28 15:44:24,916 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-28 15:44:24,916 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-28 15:44:24,916 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-28 15:44:24,916 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,916 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,916 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,916 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-28 15:44:24,917 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-28 15:44:24,917 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-28 15:44:24,917 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-28 15:44:24,917 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-28 15:44:24,917 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-28 15:44:24,917 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:44:24,917 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:44:24,917 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-28 15:44:24,917 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-28 15:44:24,917 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:44:24,918 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 550) no Hoare annotation was computed. [2019-11-28 15:44:24,918 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-28 15:44:24,918 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,918 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,918 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-28 15:44:24,918 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-28 15:44:24,918 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-28 15:44:24,918 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-28 15:44:24,919 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-28 15:44:24,919 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-28 15:44:24,919 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:44:24,919 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:44:24,919 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-28 15:44:24,921 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse7 (= ~a25~0 1))) (let ((.cse3 (<= ~a19~0 0)) (.cse0 (<= ~a17~0 7)) (.cse2 (= ~a11~0 1)) (.cse4 (not .cse7)) (.cse5 (= ~a17~0 8)) (.cse1 (= ~a19~0 1)) (.cse6 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 (= ~a28~0 7) .cse2) (and .cse3 .cse4 .cse5) (and .cse3 .cse6) (and .cse0 .cse4 .cse1 .cse2) (and .cse5 .cse1 .cse7) (and .cse4 .cse5 .cse1 .cse6)))) [2019-11-28 15:44:24,921 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,921 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,921 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-28 15:44:24,921 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-28 15:44:24,921 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-28 15:44:24,921 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-28 15:44:24,921 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:44:24,921 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:44:24,922 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-28 15:44:24,922 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,922 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,922 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-28 15:44:24,922 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-28 15:44:24,922 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-28 15:44:24,922 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-28 15:44:24,922 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-28 15:44:24,922 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-28 15:44:24,922 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:44:24,923 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:44:24,923 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-28 15:44:24,923 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,923 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,923 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:44:24,923 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:44:24,923 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-28 15:44:24,923 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-28 15:44:24,923 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-28 15:44:24,923 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-28 15:44:24,924 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= ~a25~0 1))) (let ((.cse3 (<= ~a19~0 0)) (.cse0 (<= ~a17~0 7)) (.cse2 (= ~a11~0 1)) (.cse4 (not .cse7)) (.cse5 (= ~a17~0 8)) (.cse1 (= ~a19~0 1)) (.cse6 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 (= ~a28~0 7) .cse2) (and .cse3 .cse4 .cse5) (and .cse3 .cse6) (and .cse0 .cse4 .cse1 .cse2) (and .cse5 .cse1 .cse7) (and .cse4 .cse5 .cse1 .cse6)))) [2019-11-28 15:44:24,924 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,924 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,924 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-28 15:44:24,924 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-28 15:44:24,924 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-28 15:44:24,924 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-28 15:44:24,924 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-28 15:44:24,925 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,925 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,925 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-28 15:44:24,925 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-28 15:44:24,925 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-28 15:44:24,925 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-28 15:44:24,925 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-28 15:44:24,925 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-28 15:44:24,925 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-28 15:44:24,925 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:44:24,926 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:44:24,926 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,926 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,926 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-28 15:44:24,926 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,926 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-28 15:44:24,926 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-28 15:44:24,926 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-28 15:44:24,926 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-28 15:44:24,926 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-28 15:44:24,927 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:44:24,927 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-28 15:44:24,927 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,927 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,927 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,927 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-28 15:44:24,927 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-28 15:44:24,927 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-28 15:44:24,927 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-28 15:44:24,927 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-28 15:44:24,928 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,928 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,928 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,928 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-28 15:44:24,928 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-28 15:44:24,928 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-28 15:44:24,928 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-28 15:44:24,928 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-28 15:44:24,928 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-28 15:44:24,928 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,929 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,929 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,929 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-28 15:44:24,929 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-28 15:44:24,929 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-28 15:44:24,929 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-28 15:44:24,929 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-28 15:44:24,929 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-28 15:44:24,929 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:44:24,929 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-28 15:44:24,930 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-28 15:44:24,930 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,930 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,930 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,930 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-28 15:44:24,930 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-28 15:44:24,930 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-28 15:44:24,930 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-28 15:44:24,930 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-28 15:44:24,930 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,931 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,931 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:24,931 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-28 15:44:24,931 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-28 15:44:24,931 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-28 15:44:24,931 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-28 15:44:24,931 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-28 15:44:24,931 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-28 15:44:24,931 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:44:24,931 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-28 15:44:24,932 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:44:24,932 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-28 15:44:24,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:44:24 BoogieIcfgContainer [2019-11-28 15:44:24,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:44:24,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:44:24,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:44:24,956 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:44:24,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:15" (3/4) ... [2019-11-28 15:44:24,961 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:44:24,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:44:24,996 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 15:44:25,259 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:44:25,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:44:25,261 INFO L168 Benchmark]: Toolchain (without parser) took 11770.34 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 268.4 MB). Free memory was 951.0 MB in the beginning and 848.6 MB in the end (delta: 102.3 MB). Peak memory consumption was 370.8 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:25,262 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:44:25,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -104.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:25,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:25,263 INFO L168 Benchmark]: Boogie Preprocessor took 68.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:44:25,263 INFO L168 Benchmark]: RCFGBuilder took 1398.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 939.5 MB in the end (delta: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:25,264 INFO L168 Benchmark]: TraceAbstraction took 9140.85 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 939.5 MB in the beginning and 867.8 MB in the end (delta: 71.7 MB). Peak memory consumption was 250.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:25,264 INFO L168 Benchmark]: Witness Printer took 303.69 ms. Allocated memory is still 1.3 GB. Free memory was 867.8 MB in the beginning and 848.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:25,267 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 760.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -104.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1398.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 939.5 MB in the end (delta: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9140.85 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 939.5 MB in the beginning and 867.8 MB in the end (delta: 71.7 MB). Peak memory consumption was 250.0 MB. Max. memory is 11.5 GB. * Witness Printer took 303.69 ms. Allocated memory is still 1.3 GB. Free memory was 867.8 MB in the beginning and 848.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 550]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((a17 <= 7 && a19 == 1) && a28 == 7) && a11 == 1) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || (a19 <= 0 && !(a28 == 11))) || (((a17 <= 7 && !(a25 == 1)) && a19 == 1) && a11 == 1)) || ((a17 == 8 && a19 == 1) && a25 == 1)) || (((!(a25 == 1) && a17 == 8) && a19 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((a17 <= 7 && a19 == 1) && a28 == 7) && a11 == 1) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || (a19 <= 0 && !(a28 == 11))) || (((a17 <= 7 && !(a25 == 1)) && a19 == 1) && a11 == 1)) || ((a17 == 8 && a19 == 1) && a25 == 1)) || (((!(a25 == 1) && a17 == 8) && a19 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 8.6s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1184 SDtfs, 1701 SDslu, 227 SDs, 0 SdLazy, 3953 SolverSat, 751 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 209 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2133occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1426 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 36 NumberOfFragments, 145 HoareAnnotationTreeSize, 3 FomulaSimplifications, 658 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 292 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1502 NumberOfCodeBlocks, 1502 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1493 ConstructedInterpolants, 0 QuantifiedInterpolants, 441936 SizeOfPredicates, 0 NumberOfNonLiveVariables, 369 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 611/614 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...