./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label33.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_label33.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 ccce88d3eff0bd7768fa846786a2b108ea71b0c0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:40:15,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:40:15,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:40:15,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:40:15,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:40:15,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:40:15,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:40:15,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:40:15,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:40:15,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:40:15,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:40:15,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:40:15,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:40:15,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:40:15,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:40:15,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:40:15,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:40:15,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:40:15,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:40:15,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:40:15,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:40:15,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:40:15,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:40:15,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:40:15,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:40:15,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:40:15,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:40:15,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:40:15,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:40:15,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:40:15,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:40:15,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:40:15,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:40:15,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:40:15,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:40:15,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:40:15,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:40:15,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:40:15,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:40:15,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:40:15,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:40:15,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:40:15,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:40:15,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:40:15,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:40:15,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:40:15,212 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:40:15,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:40:15,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:40:15,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:40:15,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:40:15,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:40:15,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:40:15,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:40:15,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:40:15,214 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:40:15,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:40:15,214 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:40:15,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:40:15,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:40:15,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:40:15,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:40:15,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:40:15,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:40:15,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:40:15,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:40:15,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:40:15,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:40:15,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:40:15,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:40:15,217 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 -> ccce88d3eff0bd7768fa846786a2b108ea71b0c0 [2019-11-27 22:40:15,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:40:15,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:40:15,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:40:15,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:40:15,526 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:40:15,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label33.c [2019-11-27 22:40:15,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eafa6fa5/30cfca9bc9ab4b92b1b9b3e7badb6eb3/FLAG497495d09 [2019-11-27 22:40:16,203 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:40:16,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label33.c [2019-11-27 22:40:16,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eafa6fa5/30cfca9bc9ab4b92b1b9b3e7badb6eb3/FLAG497495d09 [2019-11-27 22:40:16,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eafa6fa5/30cfca9bc9ab4b92b1b9b3e7badb6eb3 [2019-11-27 22:40:16,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:40:16,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:40:16,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:40:16,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:40:16,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:40:16,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:40:16" (1/1) ... [2019-11-27 22:40:16,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477caf30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:16, skipping insertion in model container [2019-11-27 22:40:16,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:40:16" (1/1) ... [2019-11-27 22:40:16,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:40:16,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:40:17,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:40:17,013 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:40:17,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:40:17,243 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:40:17,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:17 WrapperNode [2019-11-27 22:40:17,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:40:17,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:40:17,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:40:17,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:40:17,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:17" (1/1) ... [2019-11-27 22:40:17,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:17" (1/1) ... [2019-11-27 22:40:17,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:40:17,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:40:17,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:40:17,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:40:17,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:17" (1/1) ... [2019-11-27 22:40:17,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:17" (1/1) ... [2019-11-27 22:40:17,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:17" (1/1) ... [2019-11-27 22:40:17,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:17" (1/1) ... [2019-11-27 22:40:17,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:17" (1/1) ... [2019-11-27 22:40:17,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:17" (1/1) ... [2019-11-27 22:40:17,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:17" (1/1) ... [2019-11-27 22:40:17,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:40:17,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:40:17,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:40:17,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:40:17,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:17" (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 22:40:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:40:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:40:18,836 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:40:18,837 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 22:40:18,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:40:18 BoogieIcfgContainer [2019-11-27 22:40:18,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:40:18,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:40:18,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:40:18,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:40:18,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:40:16" (1/3) ... [2019-11-27 22:40:18,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b53f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:40:18, skipping insertion in model container [2019-11-27 22:40:18,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:40:17" (2/3) ... [2019-11-27 22:40:18,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b53f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:40:18, skipping insertion in model container [2019-11-27 22:40:18,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:40:18" (3/3) ... [2019-11-27 22:40:18,849 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label33.c [2019-11-27 22:40:18,859 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:40:18,868 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:40:18,882 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:40:18,913 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:40:18,913 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:40:18,914 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:40:18,914 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:40:18,914 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:40:18,914 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:40:18,915 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:40:18,915 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:40:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-27 22:40:18,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-27 22:40:18,953 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:18,954 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, 1, 1, 1, 1, 1] [2019-11-27 22:40:18,955 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:18,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:18,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1661240933, now seen corresponding path program 1 times [2019-11-27 22:40:18,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:18,971 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569452736] [2019-11-27 22:40:18,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:19,629 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 22:40:19,630 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569452736] [2019-11-27 22:40:19,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:19,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:19,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038391423] [2019-11-27 22:40:19,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:19,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:19,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:19,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:19,662 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-27 22:40:21,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:21,218 INFO L93 Difference]: Finished difference Result 789 states and 1377 transitions. [2019-11-27 22:40:21,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:21,221 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2019-11-27 22:40:21,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:21,240 INFO L225 Difference]: With dead ends: 789 [2019-11-27 22:40:21,241 INFO L226 Difference]: Without dead ends: 465 [2019-11-27 22:40:21,246 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 22:40:21,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-11-27 22:40:21,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 309. [2019-11-27 22:40:21,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-11-27 22:40:21,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 453 transitions. [2019-11-27 22:40:21,314 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 453 transitions. Word has length 141 [2019-11-27 22:40:21,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:21,315 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 453 transitions. [2019-11-27 22:40:21,316 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:21,316 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 453 transitions. [2019-11-27 22:40:21,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-27 22:40:21,320 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:21,320 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:40:21,321 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:21,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:21,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1054345200, now seen corresponding path program 1 times [2019-11-27 22:40:21,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:21,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056787565] [2019-11-27 22:40:21,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:21,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056787565] [2019-11-27 22:40:21,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:21,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:21,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796111099] [2019-11-27 22:40:21,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:21,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:21,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:21,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:21,609 INFO L87 Difference]: Start difference. First operand 309 states and 453 transitions. Second operand 4 states. [2019-11-27 22:40:22,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:22,508 INFO L93 Difference]: Finished difference Result 980 states and 1479 transitions. [2019-11-27 22:40:22,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:22,509 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2019-11-27 22:40:22,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:22,514 INFO L225 Difference]: With dead ends: 980 [2019-11-27 22:40:22,514 INFO L226 Difference]: Without dead ends: 590 [2019-11-27 22:40:22,516 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 22:40:22,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-11-27 22:40:22,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2019-11-27 22:40:22,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2019-11-27 22:40:22,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 788 transitions. [2019-11-27 22:40:22,550 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 788 transitions. Word has length 145 [2019-11-27 22:40:22,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:22,550 INFO L462 AbstractCegarLoop]: Abstraction has 590 states and 788 transitions. [2019-11-27 22:40:22,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:22,551 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 788 transitions. [2019-11-27 22:40:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-11-27 22:40:22,558 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:22,559 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1] [2019-11-27 22:40:22,559 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:22,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:22,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1415455555, now seen corresponding path program 1 times [2019-11-27 22:40:22,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:22,563 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475211566] [2019-11-27 22:40:22,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:22,683 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-27 22:40:22,683 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475211566] [2019-11-27 22:40:22,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:22,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:22,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070568913] [2019-11-27 22:40:22,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:22,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:22,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:22,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:22,690 INFO L87 Difference]: Start difference. First operand 590 states and 788 transitions. Second operand 4 states. [2019-11-27 22:40:23,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:23,864 INFO L93 Difference]: Finished difference Result 2306 states and 3087 transitions. [2019-11-27 22:40:23,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:23,865 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 171 [2019-11-27 22:40:23,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:23,874 INFO L225 Difference]: With dead ends: 2306 [2019-11-27 22:40:23,874 INFO L226 Difference]: Without dead ends: 1718 [2019-11-27 22:40:23,876 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 22:40:23,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2019-11-27 22:40:23,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1572. [2019-11-27 22:40:23,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1572 states. [2019-11-27 22:40:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 1965 transitions. [2019-11-27 22:40:23,919 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 1965 transitions. Word has length 171 [2019-11-27 22:40:23,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:23,919 INFO L462 AbstractCegarLoop]: Abstraction has 1572 states and 1965 transitions. [2019-11-27 22:40:23,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1965 transitions. [2019-11-27 22:40:23,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-27 22:40:23,924 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:23,925 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, 1, 1, 1, 1, 1] [2019-11-27 22:40:23,925 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:23,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:23,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1450133025, now seen corresponding path program 1 times [2019-11-27 22:40:23,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:23,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206094158] [2019-11-27 22:40:23,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:24,069 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 22:40:24,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206094158] [2019-11-27 22:40:24,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:24,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:40:24,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415276438] [2019-11-27 22:40:24,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:40:24,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:24,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:40:24,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:40:24,074 INFO L87 Difference]: Start difference. First operand 1572 states and 1965 transitions. Second operand 4 states. [2019-11-27 22:40:24,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:24,989 INFO L93 Difference]: Finished difference Result 4277 states and 5403 transitions. [2019-11-27 22:40:24,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:40:24,990 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 179 [2019-11-27 22:40:24,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:25,003 INFO L225 Difference]: With dead ends: 4277 [2019-11-27 22:40:25,003 INFO L226 Difference]: Without dead ends: 2707 [2019-11-27 22:40:25,006 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 22:40:25,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2019-11-27 22:40:25,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 1855. [2019-11-27 22:40:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1855 states. [2019-11-27 22:40:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2281 transitions. [2019-11-27 22:40:25,055 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2281 transitions. Word has length 179 [2019-11-27 22:40:25,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:25,056 INFO L462 AbstractCegarLoop]: Abstraction has 1855 states and 2281 transitions. [2019-11-27 22:40:25,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:40:25,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2281 transitions. [2019-11-27 22:40:25,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-27 22:40:25,061 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:25,061 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:25,062 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:25,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:25,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1779473924, now seen corresponding path program 1 times [2019-11-27 22:40:25,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:25,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533193084] [2019-11-27 22:40:25,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:25,216 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:40:25,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533193084] [2019-11-27 22:40:25,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313761497] [2019-11-27 22:40:25,218 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 22:40:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:25,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 22:40:25,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:40:25,445 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-27 22:40:25,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 22:40:25,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-11-27 22:40:25,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111175070] [2019-11-27 22:40:25,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:25,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:25,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:25,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:40:25,450 INFO L87 Difference]: Start difference. First operand 1855 states and 2281 transitions. Second operand 3 states. [2019-11-27 22:40:26,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:26,072 INFO L93 Difference]: Finished difference Result 4267 states and 5231 transitions. [2019-11-27 22:40:26,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:26,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2019-11-27 22:40:26,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:26,085 INFO L225 Difference]: With dead ends: 4267 [2019-11-27 22:40:26,086 INFO L226 Difference]: Without dead ends: 2414 [2019-11-27 22:40:26,089 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:40:26,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-11-27 22:40:26,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 1994. [2019-11-27 22:40:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2019-11-27 22:40:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2442 transitions. [2019-11-27 22:40:26,133 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2442 transitions. Word has length 182 [2019-11-27 22:40:26,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:26,134 INFO L462 AbstractCegarLoop]: Abstraction has 1994 states and 2442 transitions. [2019-11-27 22:40:26,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:26,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2442 transitions. [2019-11-27 22:40:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-27 22:40:26,140 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:26,140 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, 1, 1, 1, 1, 1] [2019-11-27 22:40:26,344 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:40:26,345 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:26,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:26,345 INFO L82 PathProgramCache]: Analyzing trace with hash -370337279, now seen corresponding path program 1 times [2019-11-27 22:40:26,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:26,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292910656] [2019-11-27 22:40:26,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:26,419 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 22:40:26,420 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292910656] [2019-11-27 22:40:26,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:26,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:26,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610550055] [2019-11-27 22:40:26,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:26,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:26,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:26,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:26,423 INFO L87 Difference]: Start difference. First operand 1994 states and 2442 transitions. Second operand 3 states. [2019-11-27 22:40:26,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:26,935 INFO L93 Difference]: Finished difference Result 4272 states and 5182 transitions. [2019-11-27 22:40:26,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:26,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-11-27 22:40:26,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:26,945 INFO L225 Difference]: With dead ends: 4272 [2019-11-27 22:40:26,945 INFO L226 Difference]: Without dead ends: 2140 [2019-11-27 22:40:26,948 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 22:40:26,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2019-11-27 22:40:26,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1994. [2019-11-27 22:40:26,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2019-11-27 22:40:26,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2341 transitions. [2019-11-27 22:40:26,986 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2341 transitions. Word has length 192 [2019-11-27 22:40:26,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:26,987 INFO L462 AbstractCegarLoop]: Abstraction has 1994 states and 2341 transitions. [2019-11-27 22:40:26,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2341 transitions. [2019-11-27 22:40:26,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-27 22:40:26,992 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:26,992 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:26,993 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:26,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:26,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1156204340, now seen corresponding path program 1 times [2019-11-27 22:40:26,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:26,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574402300] [2019-11-27 22:40:26,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:27,062 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-27 22:40:27,063 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574402300] [2019-11-27 22:40:27,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:40:27,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:40:27,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834783334] [2019-11-27 22:40:27,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:27,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:27,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:27,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:40:27,065 INFO L87 Difference]: Start difference. First operand 1994 states and 2341 transitions. Second operand 3 states. [2019-11-27 22:40:27,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:27,594 INFO L93 Difference]: Finished difference Result 4822 states and 5634 transitions. [2019-11-27 22:40:27,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:27,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-11-27 22:40:27,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:27,603 INFO L225 Difference]: With dead ends: 4822 [2019-11-27 22:40:27,604 INFO L226 Difference]: Without dead ends: 1989 [2019-11-27 22:40:27,608 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 22:40:27,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2019-11-27 22:40:27,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1849. [2019-11-27 22:40:27,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1849 states. [2019-11-27 22:40:27,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1849 states and 2078 transitions. [2019-11-27 22:40:27,641 INFO L78 Accepts]: Start accepts. Automaton has 1849 states and 2078 transitions. Word has length 194 [2019-11-27 22:40:27,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:27,642 INFO L462 AbstractCegarLoop]: Abstraction has 1849 states and 2078 transitions. [2019-11-27 22:40:27,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:27,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2078 transitions. [2019-11-27 22:40:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-11-27 22:40:27,647 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:40:27,648 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 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] [2019-11-27 22:40:27,648 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:40:27,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:40:27,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1763135858, now seen corresponding path program 1 times [2019-11-27 22:40:27,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:40:27,649 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155389442] [2019-11-27 22:40:27,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:40:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:27,845 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-27 22:40:27,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155389442] [2019-11-27 22:40:27,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658485508] [2019-11-27 22:40:27,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:40:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:40:28,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 22:40:28,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:40:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-27 22:40:28,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 22:40:28,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-11-27 22:40:28,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579845164] [2019-11-27 22:40:28,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:40:28,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:40:28,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:40:28,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:40:28,116 INFO L87 Difference]: Start difference. First operand 1849 states and 2078 transitions. Second operand 3 states. [2019-11-27 22:40:28,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:40:28,349 INFO L93 Difference]: Finished difference Result 3263 states and 3625 transitions. [2019-11-27 22:40:28,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:40:28,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2019-11-27 22:40:28,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:40:28,351 INFO L225 Difference]: With dead ends: 3263 [2019-11-27 22:40:28,351 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 22:40:28,355 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:40:28,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 22:40:28,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 22:40:28,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 22:40:28,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 22:40:28,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 209 [2019-11-27 22:40:28,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:40:28,357 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 22:40:28,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:40:28,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 22:40:28,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 22:40:28,562 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:40:28,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 22:40:28,910 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2019-11-27 22:40:29,164 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2019-11-27 22:40:29,168 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,168 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,168 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,168 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-27 22:40:29,168 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-27 22:40:29,169 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-27 22:40:29,169 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-27 22:40:29,169 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-27 22:40:29,169 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-27 22:40:29,169 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-27 22:40:29,169 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,170 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,170 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,170 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-27 22:40:29,170 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-27 22:40:29,170 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-27 22:40:29,171 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-27 22:40:29,179 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-27 22:40:29,179 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-27 22:40:29,180 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-27 22:40:29,180 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,181 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,182 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,182 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-27 22:40:29,182 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-27 22:40:29,182 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-27 22:40:29,183 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-27 22:40:29,183 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-27 22:40:29,183 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,183 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,184 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,184 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-27 22:40:29,184 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-27 22:40:29,184 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-27 22:40:29,185 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-27 22:40:29,190 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-27 22:40:29,190 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-27 22:40:29,190 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-27 22:40:29,191 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-27 22:40:29,191 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,191 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,192 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,192 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-27 22:40:29,192 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-27 22:40:29,192 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-27 22:40:29,193 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-27 22:40:29,193 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-27 22:40:29,195 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-27 22:40:29,195 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-27 22:40:29,195 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-27 22:40:29,196 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,196 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,196 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,196 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-27 22:40:29,198 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-27 22:40:29,198 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-27 22:40:29,200 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-27 22:40:29,200 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-27 22:40:29,200 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-27 22:40:29,201 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-27 22:40:29,201 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-27 22:40:29,201 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-27 22:40:29,201 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,202 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,202 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,202 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-27 22:40:29,205 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-27 22:40:29,205 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-27 22:40:29,205 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-27 22:40:29,206 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-27 22:40:29,206 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-27 22:40:29,206 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,206 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,207 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,207 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-27 22:40:29,207 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-27 22:40:29,207 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-27 22:40:29,208 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-27 22:40:29,208 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-27 22:40:29,208 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 22:40:29,208 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-27 22:40:29,208 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-27 22:40:29,209 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-27 22:40:29,209 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,209 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,209 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,209 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-27 22:40:29,210 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-27 22:40:29,212 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-27 22:40:29,214 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-27 22:40:29,214 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-27 22:40:29,214 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,214 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,214 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,214 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-27 22:40:29,214 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-27 22:40:29,215 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-27 22:40:29,215 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-27 22:40:29,215 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-27 22:40:29,215 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-27 22:40:29,215 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-27 22:40:29,215 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-27 22:40:29,215 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-27 22:40:29,215 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-27 22:40:29,215 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 22:40:29,215 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2019-11-27 22:40:29,216 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-27 22:40:29,216 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,216 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,216 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-27 22:40:29,216 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-27 22:40:29,216 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-27 22:40:29,216 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-27 22:40:29,216 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-27 22:40:29,216 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-27 22:40:29,216 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-27 22:40:29,216 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-27 22:40:29,216 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-27 22:40:29,217 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1)) (.cse1 (= ~a19~0 1))) (let ((.cse4 (not .cse1)) (.cse9 (not .cse3)) (.cse6 (not (= ~a28~0 11)))) (let ((.cse8 (or (and (<= ~a19~0 0) .cse9) (and .cse4 .cse9 .cse6))) (.cse0 (= ~a17~0 8)) (.cse2 (= ~a21~0 1)) (.cse5 (= ~a11~0 1)) (.cse7 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8) (and .cse5 .cse8) (and (= ~a28~0 7) .cse7 .cse5) (and .cse0 .cse2 .cse6) (and .cse9 .cse7 .cse5) (and (<= 8 ~a17~0) .cse3 .cse7 .cse6))))) [2019-11-27 22:40:29,218 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,218 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,218 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-27 22:40:29,218 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-27 22:40:29,218 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-27 22:40:29,219 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-27 22:40:29,219 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-27 22:40:29,219 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-27 22:40:29,220 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-27 22:40:29,220 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,220 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,220 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-27 22:40:29,220 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-27 22:40:29,220 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-27 22:40:29,221 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-27 22:40:29,221 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-27 22:40:29,221 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-27 22:40:29,221 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-27 22:40:29,222 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-27 22:40:29,222 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-27 22:40:29,222 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,222 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,223 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-27 22:40:29,223 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-27 22:40:29,223 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-27 22:40:29,224 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-27 22:40:29,224 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-27 22:40:29,224 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-27 22:40:29,225 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1)) (.cse1 (= ~a19~0 1))) (let ((.cse4 (not .cse1)) (.cse9 (not .cse3)) (.cse6 (not (= ~a28~0 11)))) (let ((.cse8 (or (and (<= ~a19~0 0) .cse9) (and .cse4 .cse9 .cse6))) (.cse0 (= ~a17~0 8)) (.cse2 (= ~a21~0 1)) (.cse5 (= ~a11~0 1)) (.cse7 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8) (and .cse5 .cse8) (and (= ~a28~0 7) .cse7 .cse5) (and .cse0 .cse2 .cse6) (and .cse9 .cse7 .cse5) (and (<= 8 ~a17~0) .cse3 .cse7 .cse6))))) [2019-11-27 22:40:29,225 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,225 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,225 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-27 22:40:29,226 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-27 22:40:29,226 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-27 22:40:29,226 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-27 22:40:29,226 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-27 22:40:29,227 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,227 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,227 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-27 22:40:29,227 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-27 22:40:29,228 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-27 22:40:29,228 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-27 22:40:29,228 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-27 22:40:29,228 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-27 22:40:29,229 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-27 22:40:29,229 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-27 22:40:29,229 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-27 22:40:29,229 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,230 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,230 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-27 22:40:29,230 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,230 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-27 22:40:29,230 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-27 22:40:29,231 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-27 22:40:29,231 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-27 22:40:29,231 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-27 22:40:29,231 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 22:40:29,231 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-27 22:40:29,231 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,232 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,232 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,232 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-27 22:40:29,232 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-27 22:40:29,232 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-27 22:40:29,233 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-27 22:40:29,233 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-27 22:40:29,233 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,233 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,233 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,234 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-27 22:40:29,234 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-27 22:40:29,234 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-27 22:40:29,234 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-27 22:40:29,234 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-27 22:40:29,234 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-27 22:40:29,235 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,235 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,235 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,235 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-27 22:40:29,235 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-27 22:40:29,235 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-27 22:40:29,236 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-27 22:40:29,236 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-27 22:40:29,236 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-27 22:40:29,236 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 22:40:29,236 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-27 22:40:29,236 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-27 22:40:29,237 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,237 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,237 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,237 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-27 22:40:29,237 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-27 22:40:29,237 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-27 22:40:29,238 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-27 22:40:29,238 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-27 22:40:29,238 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,238 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,238 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-27 22:40:29,239 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-27 22:40:29,239 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-27 22:40:29,239 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-27 22:40:29,239 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-27 22:40:29,239 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-27 22:40:29,240 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-27 22:40:29,240 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-27 22:40:29,240 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-27 22:40:29,240 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-27 22:40:29,240 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-27 22:40:29,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:40:29 BoogieIcfgContainer [2019-11-27 22:40:29,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:40:29,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:40:29,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:40:29,282 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:40:29,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:40:18" (3/4) ... [2019-11-27 22:40:29,287 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 22:40:29,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 22:40:29,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 22:40:29,508 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:40:29,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:40:29,510 INFO L168 Benchmark]: Toolchain (without parser) took 13085.37 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 421.5 MB). Free memory was 957.7 MB in the beginning and 1.2 GB in the end (delta: -215.1 MB). Peak memory consumption was 206.5 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:29,511 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 22:40:29,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:29,512 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.87 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 22:40:29,512 INFO L168 Benchmark]: Boogie Preprocessor took 122.37 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 22:40:29,512 INFO L168 Benchmark]: RCFGBuilder took 1328.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.0 MB). Peak memory consumption was 105.0 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:29,513 INFO L168 Benchmark]: TraceAbstraction took 10440.87 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 284.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -191.0 MB). Peak memory consumption was 93.1 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:29,513 INFO L168 Benchmark]: Witness Printer took 226.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:40:29,516 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 817.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 143.87 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 122.37 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 1328.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.0 MB). Peak memory consumption was 105.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10440.87 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 284.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -191.0 MB). Peak memory consumption was 93.1 MB. Max. memory is 11.5 GB. * Witness Printer took 226.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) || ((!(a19 == 1) && a11 == 1) && !(a28 == 11))) || (a17 <= 8 && ((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))))) || (a11 == 1 && ((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))))) || ((a28 == 7 && a17 <= 8) && a11 == 1)) || ((a17 == 8 && a21 == 1) && !(a28 == 11))) || ((!(a25 == 1) && a17 <= 8) && a11 == 1)) || (((8 <= a17 && a25 == 1) && a17 <= 8) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) || ((!(a19 == 1) && a11 == 1) && !(a28 == 11))) || (a17 <= 8 && ((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))))) || (a11 == 1 && ((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))))) || ((a28 == 7 && a17 <= 8) && a11 == 1)) || ((a17 == 8 && a21 == 1) && !(a28 == 11))) || ((!(a25 == 1) && a17 <= 8) && a11 == 1)) || (((8 <= a17 && a25 == 1) && a17 <= 8) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 9.6s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 1034 SDtfs, 1494 SDslu, 223 SDs, 0 SdLazy, 4004 SolverSat, 814 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 421 GetRequests, 398 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1994occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1860 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 249 HoareAnnotationTreeSize, 3 FomulaSimplifications, 902 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 474 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1804 NumberOfCodeBlocks, 1804 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1794 ConstructedInterpolants, 0 QuantifiedInterpolants, 931440 SizeOfPredicates, 1 NumberOfNonLiveVariables, 661 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 604/610 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...