./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label26.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 ec64944e15cde20ad15af2bd0f0e78efc8184588 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 22:40:05,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:40:05,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:40:05,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:40:05,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:40:05,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:40:05,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:40:05,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:40:05,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:40:05,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:40:05,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:40:05,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:40:05,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:40:05,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:40:05,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:40:05,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:40:05,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:40:05,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:40:05,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:40:05,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:40:05,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:40:05,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:40:05,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:40:05,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:40:05,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:40:05,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:40:05,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:40:05,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:40:05,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:40:05,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:40:05,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:40:05,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:40:05,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:40:05,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:40:05,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:40:05,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:40:05,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:40:05,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:40:05,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:40:05,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:40:05,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:40:05,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:40:05,196 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:40:05,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:40:05,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:40:05,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:40:05,199 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:40:05,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:40:05,200 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:40:05,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:40:05,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:40:05,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:40:05,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:40:05,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:40:05,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:40:05,203 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:40:05,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:40:05,203 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:40:05,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:40:05,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:40:05,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:40:05,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:40:05,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:40:05,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:40:05,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:40:05,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:40:05,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:40:05,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:40:05,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:40:05,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:40:05,207 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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2019-11-27 22:40:05,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:40:05,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:40:05,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:40:05,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:40:05,526 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:40:05,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-27 22:40:05,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57ecac21/963a3e315f7441dfb24dccb7850b22bc/FLAG951f4d2d0 [2019-11-27 22:40:06,151 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:40:06,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-27 22:40:06,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57ecac21/963a3e315f7441dfb24dccb7850b22bc/FLAG951f4d2d0 [2019-11-27 22:40:06,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57ecac21/963a3e315f7441dfb24dccb7850b22bc [2019-11-27 22:40:06,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:40:06,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:40:06,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:40:06,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:40:06,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:40:06,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:40:06" (1/1) ... [2019-11-27 22:40:06,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3463e911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:06, skipping insertion in model container [2019-11-27 22:40:06,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:40:06" (1/1) ... [2019-11-27 22:40:06,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:40:06,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:40:07,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:40:07,113 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:40:07,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:40:07,284 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:40:07,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:07 WrapperNode [2019-11-27 22:40:07,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:40:07,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:40:07,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:40:07,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:40:07,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:07" (1/1) ... [2019-11-27 22:40:07,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:07" (1/1) ... [2019-11-27 22:40:07,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:40:07,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:40:07,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:40:07,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:40:07,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:07" (1/1) ... [2019-11-27 22:40:07,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:07" (1/1) ... [2019-11-27 22:40:07,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:07" (1/1) ... [2019-11-27 22:40:07,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:07" (1/1) ... [2019-11-27 22:40:07,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:07" (1/1) ... [2019-11-27 22:40:07,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:07" (1/1) ... [2019-11-27 22:40:07,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:07" (1/1) ... [2019-11-27 22:40:07,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:40:07,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:40:07,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:40:07,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:40:07,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:40:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:40:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:40:08,897 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:40:08,897 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 22:40:08,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:40:08 BoogieIcfgContainer [2019-11-27 22:40:08,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:40:08,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:40:08,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:40:08,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:40:08,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:40:06" (1/3) ... [2019-11-27 22:40:08,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea9268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:40:08, skipping insertion in model container [2019-11-27 22:40:08,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:07" (2/3) ... [2019-11-27 22:40:08,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea9268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:40:08, skipping insertion in model container [2019-11-27 22:40:08,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:40:08" (3/3) ... [2019-11-27 22:40:08,919 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2019-11-27 22:40:08,933 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:40:08,945 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:40:08,962 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:40:09,002 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:40:09,003 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:40:09,003 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:40:09,004 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:40:09,004 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:40:09,004 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:40:09,005 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:40:09,005 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:40:09,039 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-27 22:40:09,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-27 22:40:09,062 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:09,065 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:09,066 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:09,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:09,073 INFO L82 PathProgramCache]: Analyzing trace with hash 768814821, now seen corresponding path program 1 times [2019-11-27 22:40:09,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:09,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329595626] [2019-11-27 22:40:09,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:09,647 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329595626] [2019-11-27 22:40:09,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:09,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:09,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123468510] [2019-11-27 22:40:09,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:09,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:09,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:09,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:09,676 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-27 22:40:11,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:11,163 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-27 22:40:11,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:11,165 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2019-11-27 22:40:11,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:11,191 INFO L225 Difference]: With dead ends: 739 [2019-11-27 22:40:11,192 INFO L226 Difference]: Without dead ends: 445 [2019-11-27 22:40:11,198 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:11,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-27 22:40:11,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-27 22:40:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-27 22:40:11,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-27 22:40:11,309 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 136 [2019-11-27 22:40:11,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:11,311 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-27 22:40:11,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-27 22:40:11,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-27 22:40:11,316 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:11,317 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:11,317 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:11,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:11,318 INFO L82 PathProgramCache]: Analyzing trace with hash -90241050, now seen corresponding path program 1 times [2019-11-27 22:40:11,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:11,319 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285935443] [2019-11-27 22:40:11,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:11,452 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:11,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285935443] [2019-11-27 22:40:11,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:11,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:11,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740829328] [2019-11-27 22:40:11,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:11,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:11,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:11,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:11,458 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-27 22:40:12,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:12,306 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-11-27 22:40:12,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:12,307 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2019-11-27 22:40:12,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:12,312 INFO L225 Difference]: With dead ends: 1470 [2019-11-27 22:40:12,312 INFO L226 Difference]: Without dead ends: 1027 [2019-11-27 22:40:12,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:12,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-11-27 22:40:12,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-11-27 22:40:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-27 22:40:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-11-27 22:40:12,345 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 154 [2019-11-27 22:40:12,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:12,346 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-11-27 22:40:12,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-11-27 22:40:12,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-27 22:40:12,350 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:12,350 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:12,351 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:12,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:12,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1636593553, now seen corresponding path program 1 times [2019-11-27 22:40:12,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:12,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678109764] [2019-11-27 22:40:12,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:12,437 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678109764] [2019-11-27 22:40:12,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:12,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:40:12,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112191359] [2019-11-27 22:40:12,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:12,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:12,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:12,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:12,439 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-11-27 22:40:13,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:13,722 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-11-27 22:40:13,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:13,723 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2019-11-27 22:40:13,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:13,732 INFO L225 Difference]: With dead ends: 2582 [2019-11-27 22:40:13,732 INFO L226 Difference]: Without dead ends: 1855 [2019-11-27 22:40:13,734 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 [2019-11-27 22:40:13,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-11-27 22:40:13,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-11-27 22:40:13,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-11-27 22:40:13,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2141 transitions. [2019-11-27 22:40:13,775 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2141 transitions. Word has length 158 [2019-11-27 22:40:13,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:13,775 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2141 transitions. [2019-11-27 22:40:13,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:13,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2141 transitions. [2019-11-27 22:40:13,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-27 22:40:13,780 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:13,780 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:13,781 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:13,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:13,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1768582300, now seen corresponding path program 1 times [2019-11-27 22:40:13,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:13,782 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909330994] [2019-11-27 22:40:13,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:13,847 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909330994] [2019-11-27 22:40:13,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:13,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:40:13,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33752471] [2019-11-27 22:40:13,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:13,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:13,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:13,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:13,849 INFO L87 Difference]: Start difference. First operand 1570 states and 2141 transitions. Second operand 3 states. [2019-11-27 22:40:14,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:14,404 INFO L93 Difference]: Finished difference Result 3840 states and 5193 transitions. [2019-11-27 22:40:14,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:14,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-11-27 22:40:14,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:14,416 INFO L225 Difference]: With dead ends: 3840 [2019-11-27 22:40:14,416 INFO L226 Difference]: Without dead ends: 2272 [2019-11-27 22:40:14,419 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:14,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-27 22:40:14,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-11-27 22:40:14,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-11-27 22:40:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2838 transitions. [2019-11-27 22:40:14,468 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2838 transitions. Word has length 158 [2019-11-27 22:40:14,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:14,468 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2838 transitions. [2019-11-27 22:40:14,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:14,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2838 transitions. [2019-11-27 22:40:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-27 22:40:14,474 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:14,474 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:14,475 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:14,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:14,475 INFO L82 PathProgramCache]: Analyzing trace with hash 628642087, now seen corresponding path program 1 times [2019-11-27 22:40:14,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:14,476 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701199187] [2019-11-27 22:40:14,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-27 22:40:14,583 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701199187] [2019-11-27 22:40:14,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:14,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:14,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335866556] [2019-11-27 22:40:14,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:14,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:14,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:14,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:14,585 INFO L87 Difference]: Start difference. First operand 2272 states and 2838 transitions. Second operand 3 states. [2019-11-27 22:40:15,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:15,183 INFO L93 Difference]: Finished difference Result 5381 states and 6669 transitions. [2019-11-27 22:40:15,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:15,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-11-27 22:40:15,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:15,205 INFO L225 Difference]: With dead ends: 5381 [2019-11-27 22:40:15,205 INFO L226 Difference]: Without dead ends: 2546 [2019-11-27 22:40:15,209 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:15,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2019-11-27 22:40:15,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2125. [2019-11-27 22:40:15,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2019-11-27 22:40:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2479 transitions. [2019-11-27 22:40:15,257 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2479 transitions. Word has length 163 [2019-11-27 22:40:15,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:15,258 INFO L462 AbstractCegarLoop]: Abstraction has 2125 states and 2479 transitions. [2019-11-27 22:40:15,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:15,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2479 transitions. [2019-11-27 22:40:15,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-27 22:40:15,263 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:15,264 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:15,264 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:15,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:15,264 INFO L82 PathProgramCache]: Analyzing trace with hash 984032927, now seen corresponding path program 1 times [2019-11-27 22:40:15,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:15,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125989001] [2019-11-27 22:40:15,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-27 22:40:15,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125989001] [2019-11-27 22:40:15,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:15,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:40:15,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156367044] [2019-11-27 22:40:15,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:15,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:15,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:15,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:15,352 INFO L87 Difference]: Start difference. First operand 2125 states and 2479 transitions. Second operand 4 states. [2019-11-27 22:40:16,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:16,050 INFO L93 Difference]: Finished difference Result 4388 states and 5107 transitions. [2019-11-27 22:40:16,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:16,051 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2019-11-27 22:40:16,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:16,060 INFO L225 Difference]: With dead ends: 4388 [2019-11-27 22:40:16,060 INFO L226 Difference]: Without dead ends: 1985 [2019-11-27 22:40:16,063 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 [2019-11-27 22:40:16,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2019-11-27 22:40:16,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1705. [2019-11-27 22:40:16,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-11-27 22:40:16,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 1937 transitions. [2019-11-27 22:40:16,096 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 1937 transitions. Word has length 174 [2019-11-27 22:40:16,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:16,097 INFO L462 AbstractCegarLoop]: Abstraction has 1705 states and 1937 transitions. [2019-11-27 22:40:16,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:16,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1937 transitions. [2019-11-27 22:40:16,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-27 22:40:16,101 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:16,101 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:16,102 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:16,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:16,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1962121537, now seen corresponding path program 1 times [2019-11-27 22:40:16,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:16,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737566348] [2019-11-27 22:40:16,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:16,184 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-27 22:40:16,185 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737566348] [2019-11-27 22:40:16,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:16,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:16,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346336015] [2019-11-27 22:40:16,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:16,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:16,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:16,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:16,198 INFO L87 Difference]: Start difference. First operand 1705 states and 1937 transitions. Second operand 3 states. [2019-11-27 22:40:16,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:16,728 INFO L93 Difference]: Finished difference Result 3411 states and 3863 transitions. [2019-11-27 22:40:16,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:16,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-11-27 22:40:16,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:16,735 INFO L225 Difference]: With dead ends: 3411 [2019-11-27 22:40:16,735 INFO L226 Difference]: Without dead ends: 1707 [2019-11-27 22:40:16,738 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:16,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-27 22:40:16,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2019-11-27 22:40:16,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-11-27 22:40:16,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1867 transitions. [2019-11-27 22:40:16,770 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1867 transitions. Word has length 187 [2019-11-27 22:40:16,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:16,771 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1867 transitions. [2019-11-27 22:40:16,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:16,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1867 transitions. [2019-11-27 22:40:16,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-11-27 22:40:16,777 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:16,777 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2019-11-27 22:40:16,778 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:16,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:16,778 INFO L82 PathProgramCache]: Analyzing trace with hash -747241302, now seen corresponding path program 1 times [2019-11-27 22:40:16,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:16,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126111929] [2019-11-27 22:40:16,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:16,966 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 125 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-11-27 22:40:16,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126111929] [2019-11-27 22:40:16,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642848962] [2019-11-27 22:40:16,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:40:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:17,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 22:40:17,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:40:17,190 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-27 22:40:17,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 22:40:17,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-27 22:40:17,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27464224] [2019-11-27 22:40:17,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:17,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:17,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:17,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:40:17,193 INFO L87 Difference]: Start difference. First operand 1703 states and 1867 transitions. Second operand 3 states. [2019-11-27 22:40:17,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:17,756 INFO L93 Difference]: Finished difference Result 3818 states and 4177 transitions. [2019-11-27 22:40:17,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:17,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2019-11-27 22:40:17,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:17,757 INFO L225 Difference]: With dead ends: 3818 [2019-11-27 22:40:17,757 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 22:40:17,762 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:40:17,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 22:40:17,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 22:40:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 22:40:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 22:40:17,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 281 [2019-11-27 22:40:17,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:17,764 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 22:40:17,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 22:40:17,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 22:40:17,971 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:40:17,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 22:40:18,320 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-27 22:40:18,505 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-27 22:40:18,509 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,510 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,510 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,510 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-27 22:40:18,510 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-27 22:40:18,510 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-27 22:40:18,510 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-27 22:40:18,510 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-27 22:40:18,511 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-27 22:40:18,511 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-27 22:40:18,511 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,512 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,512 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,512 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-27 22:40:18,512 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-27 22:40:18,512 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-27 22:40:18,512 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-27 22:40:18,513 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-27 22:40:18,513 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-27 22:40:18,513 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-27 22:40:18,513 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,514 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,514 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,514 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-27 22:40:18,514 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-27 22:40:18,514 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-27 22:40:18,514 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-27 22:40:18,515 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-27 22:40:18,515 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,515 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,515 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,515 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-27 22:40:18,516 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-27 22:40:18,516 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-27 22:40:18,516 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-27 22:40:18,516 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-27 22:40:18,516 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-27 22:40:18,517 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-27 22:40:18,517 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-27 22:40:18,517 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,517 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,517 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,518 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-27 22:40:18,518 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-27 22:40:18,518 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-27 22:40:18,518 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-27 22:40:18,518 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-27 22:40:18,519 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-27 22:40:18,519 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-27 22:40:18,519 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-27 22:40:18,519 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,519 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,520 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,520 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-27 22:40:18,520 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-27 22:40:18,520 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-27 22:40:18,520 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-27 22:40:18,520 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-27 22:40:18,521 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-27 22:40:18,521 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-27 22:40:18,521 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-27 22:40:18,521 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-27 22:40:18,521 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,522 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,522 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,522 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-27 22:40:18,522 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-27 22:40:18,522 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-27 22:40:18,523 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-27 22:40:18,523 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-27 22:40:18,523 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-27 22:40:18,523 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,523 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,523 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,524 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-27 22:40:18,524 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-27 22:40:18,524 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-27 22:40:18,524 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-27 22:40:18,525 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-27 22:40:18,525 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 22:40:18,525 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-27 22:40:18,525 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-27 22:40:18,525 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-27 22:40:18,526 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,526 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,526 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,526 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-27 22:40:18,526 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-27 22:40:18,527 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-27 22:40:18,527 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-27 22:40:18,527 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-27 22:40:18,527 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,527 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,527 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,528 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-27 22:40:18,528 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-27 22:40:18,528 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-27 22:40:18,528 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-27 22:40:18,528 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-27 22:40:18,528 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-27 22:40:18,529 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-27 22:40:18,529 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-27 22:40:18,529 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-27 22:40:18,529 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-27 22:40:18,529 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 22:40:18,529 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2019-11-27 22:40:18,530 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-27 22:40:18,530 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,530 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,530 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-27 22:40:18,530 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-27 22:40:18,531 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-27 22:40:18,531 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-27 22:40:18,531 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-27 22:40:18,531 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-27 22:40:18,531 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-27 22:40:18,531 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-27 22:40:18,532 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-27 22:40:18,532 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1))) (let ((.cse4 (not (= ~a28~0 11))) (.cse8 (not .cse5)) (.cse3 (= ~a19~0 1)) (.cse6 (= ~a11~0 1))) (let ((.cse1 (<= 10 ~a28~0)) (.cse2 (= ~a17~0 8)) (.cse0 (or (and .cse8 .cse6 .cse4) (and .cse8 .cse3 .cse6))) (.cse9 (= ~a28~0 9)) (.cse7 (<= ~a19~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse5) (and .cse3 .cse6 .cse5) (and .cse7 .cse8 .cse2) (and .cse7 .cse2 .cse4) (and .cse9 .cse2 .cse6) (and .cse8 .cse2 .cse6 .cse4) (and .cse0 .cse7) (and .cse9 .cse7))))) [2019-11-27 22:40:18,533 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,533 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,533 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-27 22:40:18,533 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-27 22:40:18,533 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-27 22:40:18,533 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-27 22:40:18,534 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-27 22:40:18,534 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-27 22:40:18,534 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-27 22:40:18,534 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,534 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,535 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-27 22:40:18,535 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-27 22:40:18,535 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-27 22:40:18,535 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-27 22:40:18,535 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-27 22:40:18,535 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-27 22:40:18,536 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-27 22:40:18,536 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-27 22:40:18,536 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-27 22:40:18,536 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,536 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,537 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-27 22:40:18,537 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-27 22:40:18,537 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-27 22:40:18,537 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-27 22:40:18,537 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-27 22:40:18,538 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-27 22:40:18,538 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1))) (let ((.cse4 (not (= ~a28~0 11))) (.cse8 (not .cse5)) (.cse3 (= ~a19~0 1)) (.cse6 (= ~a11~0 1))) (let ((.cse1 (<= 10 ~a28~0)) (.cse2 (= ~a17~0 8)) (.cse0 (or (and .cse8 .cse6 .cse4) (and .cse8 .cse3 .cse6))) (.cse9 (= ~a28~0 9)) (.cse7 (<= ~a19~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse5) (and .cse3 .cse6 .cse5) (and .cse7 .cse8 .cse2) (and .cse7 .cse2 .cse4) (and .cse9 .cse2 .cse6) (and .cse8 .cse2 .cse6 .cse4) (and .cse0 .cse7) (and .cse9 .cse7))))) [2019-11-27 22:40:18,538 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,538 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,538 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-27 22:40:18,539 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-27 22:40:18,539 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-27 22:40:18,539 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-27 22:40:18,539 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-27 22:40:18,539 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,540 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,540 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-27 22:40:18,540 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-27 22:40:18,540 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-27 22:40:18,540 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-27 22:40:18,540 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-27 22:40:18,541 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-27 22:40:18,541 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-27 22:40:18,541 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-27 22:40:18,541 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-27 22:40:18,541 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,541 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,542 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-27 22:40:18,542 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,542 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-27 22:40:18,542 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-27 22:40:18,542 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-27 22:40:18,542 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-27 22:40:18,543 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-27 22:40:18,543 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 22:40:18,543 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-27 22:40:18,543 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,543 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,543 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,544 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-27 22:40:18,544 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-27 22:40:18,544 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-27 22:40:18,544 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-27 22:40:18,544 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-27 22:40:18,545 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,545 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,545 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,545 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-27 22:40:18,545 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-27 22:40:18,545 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-27 22:40:18,546 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-27 22:40:18,546 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-27 22:40:18,546 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-27 22:40:18,546 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,546 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,547 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,547 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-27 22:40:18,547 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-27 22:40:18,547 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-27 22:40:18,547 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-27 22:40:18,547 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-27 22:40:18,548 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-27 22:40:18,548 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 22:40:18,548 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-27 22:40:18,548 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-27 22:40:18,548 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,549 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,549 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,549 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-27 22:40:18,549 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-27 22:40:18,549 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-27 22:40:18,549 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-27 22:40:18,550 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-27 22:40:18,550 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,550 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,550 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:18,550 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-27 22:40:18,550 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-27 22:40:18,551 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-27 22:40:18,551 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-27 22:40:18,551 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-27 22:40:18,551 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-27 22:40:18,551 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-27 22:40:18,551 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-27 22:40:18,552 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-27 22:40:18,552 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-27 22:40:18,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:40:18 BoogieIcfgContainer [2019-11-27 22:40:18,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:40:18,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:40:18,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:40:18,579 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:40:18,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:40:08" (3/4) ... [2019-11-27 22:40:18,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 22:40:18,607 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 22:40:18,608 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 22:40:18,804 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:40:18,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:40:18,807 INFO L168 Benchmark]: Toolchain (without parser) took 12332.36 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 422.6 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -288.6 MB). Peak memory consumption was 134.0 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:18,807 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:40:18,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:18,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:18,809 INFO L168 Benchmark]: Boogie Preprocessor took 103.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:40:18,809 INFO L168 Benchmark]: RCFGBuilder took 1410.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.8 MB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:18,810 INFO L168 Benchmark]: TraceAbstraction took 9673.88 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 284.2 MB). Free memory was 993.8 MB in the beginning and 1.3 GB in the end (delta: -263.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:18,810 INFO L168 Benchmark]: Witness Printer took 226.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:18,813 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 809.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1410.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.8 MB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9673.88 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 284.2 MB). Free memory was 993.8 MB in the beginning and 1.3 GB in the end (delta: -263.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Witness Printer took 226.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: ((((((((((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && 10 <= a28) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 == 1 && a11 == 1) && a25 == 1)) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a11 == 1)) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11))) || ((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && a19 <= 0)) || (a28 == 9 && a19 <= 0) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && 10 <= a28) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 == 1 && a11 == 1) && a25 == 1)) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a11 == 1)) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11))) || ((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && a19 <= 0)) || (a28 == 9 && a19 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 8.9s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1152 SDtfs, 1525 SDslu, 214 SDs, 0 SdLazy, 4086 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 311 GetRequests, 291 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred 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, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 285 HoareAnnotationTreeSize, 3 FomulaSimplifications, 636 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 316 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1692 NumberOfCodeBlocks, 1692 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1683 ConstructedInterpolants, 0 QuantifiedInterpolants, 626270 SizeOfPredicates, 1 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 770/773 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...