./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/rfi007_power.oepc_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: 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 /storage/repos/svcomp/c/pthread-wmm/rfi007_power.oepc_false-unreach-call.i -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 494bc2fc09075c95dc50510368677477add42eee .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 20:21:54,291 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 20:21:54,293 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 20:21:54,305 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 20:21:54,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 20:21:54,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 20:21:54,308 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 20:21:54,311 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 20:21:54,313 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 20:21:54,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 20:21:54,315 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 20:21:54,315 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 20:21:54,316 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 20:21:54,318 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 20:21:54,319 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 20:21:54,320 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 20:21:54,321 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 20:21:54,324 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 20:21:54,326 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 20:21:54,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 20:21:54,330 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 20:21:54,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 20:21:54,334 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 20:21:54,335 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 20:21:54,335 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 20:21:54,336 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 20:21:54,338 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 20:21:54,339 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 20:21:54,340 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 20:21:54,341 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 20:21:54,342 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 20:21:54,343 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 20:21:54,343 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 20:21:54,343 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 20:21:54,345 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 20:21:54,345 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 20:21:54,346 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 20:21:54,369 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 20:21:54,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 20:21:54,373 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 20:21:54,373 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 20:21:54,373 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 20:21:54,373 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 20:21:54,375 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 20:21:54,375 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 20:21:54,375 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 20:21:54,375 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 20:21:54,376 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 20:21:54,376 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 20:21:54,376 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 20:21:54,376 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 20:21:54,376 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 20:21:54,376 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 20:21:54,377 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 20:21:54,379 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 20:21:54,379 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 20:21:54,380 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 20:21:54,380 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 20:21:54,380 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 20:21:54,380 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 20:21:54,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 20:21:54,380 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 20:21:54,381 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 20:21:54,381 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 20:21:54,381 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 20:21:54,381 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 20:21:54,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 20:21:54,382 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 494bc2fc09075c95dc50510368677477add42eee [2018-11-28 20:21:54,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 20:21:54,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 20:21:54,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 20:21:54,439 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 20:21:54,441 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 20:21:54,442 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/rfi007_power.oepc_false-unreach-call.i [2018-11-28 20:21:54,509 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6b1559c/541521a1c4514a02bf968c3dabe4f6ec/FLAG2597d7cf7 [2018-11-28 20:21:55,039 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 20:21:55,040 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/rfi007_power.oepc_false-unreach-call.i [2018-11-28 20:21:55,056 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6b1559c/541521a1c4514a02bf968c3dabe4f6ec/FLAG2597d7cf7 [2018-11-28 20:21:55,294 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6b1559c/541521a1c4514a02bf968c3dabe4f6ec [2018-11-28 20:21:55,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 20:21:55,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 20:21:55,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 20:21:55,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 20:21:55,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 20:21:55,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:21:55" (1/1) ... [2018-11-28 20:21:55,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7a5556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:55, skipping insertion in model container [2018-11-28 20:21:55,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:21:55" (1/1) ... [2018-11-28 20:21:55,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 20:21:55,380 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 20:21:55,873 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:21:55,888 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 20:21:56,080 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:21:56,180 INFO L195 MainTranslator]: Completed translation [2018-11-28 20:21:56,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:56 WrapperNode [2018-11-28 20:21:56,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 20:21:56,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 20:21:56,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 20:21:56,182 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 20:21:56,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:56" (1/1) ... [2018-11-28 20:21:56,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:56" (1/1) ... [2018-11-28 20:21:56,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 20:21:56,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 20:21:56,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 20:21:56,254 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 20:21:56,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:56" (1/1) ... [2018-11-28 20:21:56,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:56" (1/1) ... [2018-11-28 20:21:56,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:56" (1/1) ... [2018-11-28 20:21:56,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:56" (1/1) ... [2018-11-28 20:21:56,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:56" (1/1) ... [2018-11-28 20:21:56,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:56" (1/1) ... [2018-11-28 20:21:56,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:56" (1/1) ... [2018-11-28 20:21:56,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 20:21:56,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 20:21:56,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 20:21:56,297 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 20:21:56,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:56" (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 [2018-11-28 20:21:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 20:21:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 20:21:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-28 20:21:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 20:21:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-28 20:21:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-28 20:21:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-28 20:21:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-28 20:21:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-28 20:21:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 20:21:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 20:21:56,389 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 20:21:57,741 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 20:21:57,742 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 20:21:57,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:21:57 BoogieIcfgContainer [2018-11-28 20:21:57,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 20:21:57,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 20:21:57,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 20:21:57,747 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 20:21:57,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:21:55" (1/3) ... [2018-11-28 20:21:57,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ff7e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:21:57, skipping insertion in model container [2018-11-28 20:21:57,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:21:56" (2/3) ... [2018-11-28 20:21:57,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ff7e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:21:57, skipping insertion in model container [2018-11-28 20:21:57,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:21:57" (3/3) ... [2018-11-28 20:21:57,751 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi007_power.oepc_false-unreach-call.i [2018-11-28 20:21:57,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,799 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,800 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,800 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,800 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,801 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,801 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,801 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,802 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,802 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,802 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,802 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,803 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,803 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,803 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,803 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,804 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,804 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,804 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,804 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,804 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,805 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,805 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,805 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,805 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,806 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,806 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,806 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,806 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,807 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,807 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,807 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,807 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,808 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,808 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,808 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,808 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,809 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,810 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,810 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,810 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,810 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,810 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,810 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,811 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,811 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,811 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,811 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,811 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,812 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,812 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,812 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,812 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,813 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,813 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,813 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,813 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,813 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,814 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,814 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,814 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,814 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,814 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,819 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,819 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,820 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,820 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,820 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,820 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,820 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,821 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,821 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,821 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,821 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,822 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,822 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,822 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,822 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,822 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,823 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,823 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,823 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,823 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,823 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,824 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,824 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,824 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,824 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,825 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,825 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,825 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,825 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,825 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,830 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,830 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,830 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,830 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,831 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,832 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,832 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,832 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,832 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,832 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,833 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,833 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,833 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,833 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,833 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,835 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,836 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,836 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,837 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,837 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,837 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,837 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,838 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,838 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,838 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,838 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,838 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,840 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,841 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,841 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,841 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,841 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,842 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,843 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,843 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,843 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,843 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,843 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,844 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,844 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,844 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,844 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,844 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,844 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,846 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,847 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,847 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,847 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,847 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,847 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,849 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,850 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,852 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,853 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,854 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,856 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,856 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:21:57,883 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 20:21:57,883 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 20:21:57,895 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-28 20:21:57,915 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-28 20:21:57,945 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 20:21:57,946 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 20:21:57,946 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 20:21:57,946 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 20:21:57,946 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 20:21:57,946 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 20:21:57,946 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 20:21:57,947 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 20:21:57,947 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 20:21:57,962 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 142places, 180 transitions [2018-11-28 20:22:00,629 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34806 states. [2018-11-28 20:22:00,631 INFO L276 IsEmpty]: Start isEmpty. Operand 34806 states. [2018-11-28 20:22:00,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-28 20:22:00,639 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:00,640 INFO L402 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] [2018-11-28 20:22:00,642 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:00,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:00,650 INFO L82 PathProgramCache]: Analyzing trace with hash 829463542, now seen corresponding path program 1 times [2018-11-28 20:22:00,652 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:00,653 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:00,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:00,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:00,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:00,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:00,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 20:22:00,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 20:22:01,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 20:22:01,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 20:22:01,018 INFO L87 Difference]: Start difference. First operand 34806 states. Second operand 4 states. [2018-11-28 20:22:02,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:02,734 INFO L93 Difference]: Finished difference Result 60790 states and 234493 transitions. [2018-11-28 20:22:02,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 20:22:02,737 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-11-28 20:22:02,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:03,129 INFO L225 Difference]: With dead ends: 60790 [2018-11-28 20:22:03,129 INFO L226 Difference]: Without dead ends: 44270 [2018-11-28 20:22:03,131 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 20:22:03,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44270 states. [2018-11-28 20:22:04,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44270 to 27338. [2018-11-28 20:22:04,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27338 states. [2018-11-28 20:22:04,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27338 states to 27338 states and 105499 transitions. [2018-11-28 20:22:04,920 INFO L78 Accepts]: Start accepts. Automaton has 27338 states and 105499 transitions. Word has length 33 [2018-11-28 20:22:04,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:04,920 INFO L480 AbstractCegarLoop]: Abstraction has 27338 states and 105499 transitions. [2018-11-28 20:22:04,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 20:22:04,921 INFO L276 IsEmpty]: Start isEmpty. Operand 27338 states and 105499 transitions. [2018-11-28 20:22:04,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-28 20:22:04,933 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:04,933 INFO L402 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] [2018-11-28 20:22:04,933 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:04,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:04,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1614500037, now seen corresponding path program 1 times [2018-11-28 20:22:04,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:04,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:04,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:04,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:04,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:05,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:05,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:05,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 20:22:05,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 20:22:05,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 20:22:05,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 20:22:05,150 INFO L87 Difference]: Start difference. First operand 27338 states and 105499 transitions. Second operand 4 states. [2018-11-28 20:22:05,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:05,517 INFO L93 Difference]: Finished difference Result 8528 states and 28344 transitions. [2018-11-28 20:22:05,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 20:22:05,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-11-28 20:22:05,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:05,566 INFO L225 Difference]: With dead ends: 8528 [2018-11-28 20:22:05,566 INFO L226 Difference]: Without dead ends: 7466 [2018-11-28 20:22:05,567 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 20:22:05,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7466 states. [2018-11-28 20:22:05,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7466 to 7466. [2018-11-28 20:22:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7466 states. [2018-11-28 20:22:05,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 24636 transitions. [2018-11-28 20:22:05,775 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 24636 transitions. Word has length 45 [2018-11-28 20:22:05,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:05,778 INFO L480 AbstractCegarLoop]: Abstraction has 7466 states and 24636 transitions. [2018-11-28 20:22:05,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 20:22:05,779 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 24636 transitions. [2018-11-28 20:22:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 20:22:05,782 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:05,783 INFO L402 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] [2018-11-28 20:22:05,783 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:05,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:05,783 INFO L82 PathProgramCache]: Analyzing trace with hash 2087909407, now seen corresponding path program 1 times [2018-11-28 20:22:05,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:05,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:05,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:05,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:05,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:06,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:06,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 20:22:06,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 20:22:06,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 20:22:06,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 20:22:06,020 INFO L87 Difference]: Start difference. First operand 7466 states and 24636 transitions. Second operand 5 states. [2018-11-28 20:22:07,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:07,313 INFO L93 Difference]: Finished difference Result 13998 states and 45805 transitions. [2018-11-28 20:22:07,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 20:22:07,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2018-11-28 20:22:07,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:07,366 INFO L225 Difference]: With dead ends: 13998 [2018-11-28 20:22:07,366 INFO L226 Difference]: Without dead ends: 13930 [2018-11-28 20:22:07,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 20:22:07,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13930 states. [2018-11-28 20:22:07,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13930 to 9441. [2018-11-28 20:22:07,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9441 states. [2018-11-28 20:22:08,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9441 states to 9441 states and 30542 transitions. [2018-11-28 20:22:08,070 INFO L78 Accepts]: Start accepts. Automaton has 9441 states and 30542 transitions. Word has length 46 [2018-11-28 20:22:08,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:08,074 INFO L480 AbstractCegarLoop]: Abstraction has 9441 states and 30542 transitions. [2018-11-28 20:22:08,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 20:22:08,074 INFO L276 IsEmpty]: Start isEmpty. Operand 9441 states and 30542 transitions. [2018-11-28 20:22:08,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-28 20:22:08,080 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:08,081 INFO L402 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] [2018-11-28 20:22:08,081 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:08,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:08,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1703396709, now seen corresponding path program 1 times [2018-11-28 20:22:08,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:08,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:08,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:08,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:08,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:08,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:08,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:08,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 20:22:08,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 20:22:08,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 20:22:08,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 20:22:08,204 INFO L87 Difference]: Start difference. First operand 9441 states and 30542 transitions. Second operand 3 states. [2018-11-28 20:22:08,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:08,313 INFO L93 Difference]: Finished difference Result 13279 states and 42641 transitions. [2018-11-28 20:22:08,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 20:22:08,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-28 20:22:08,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:08,356 INFO L225 Difference]: With dead ends: 13279 [2018-11-28 20:22:08,356 INFO L226 Difference]: Without dead ends: 13279 [2018-11-28 20:22:08,357 INFO L631 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 [2018-11-28 20:22:08,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13279 states. [2018-11-28 20:22:08,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13279 to 9845. [2018-11-28 20:22:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9845 states. [2018-11-28 20:22:08,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9845 states to 9845 states and 31508 transitions. [2018-11-28 20:22:08,602 INFO L78 Accepts]: Start accepts. Automaton has 9845 states and 31508 transitions. Word has length 48 [2018-11-28 20:22:08,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:08,603 INFO L480 AbstractCegarLoop]: Abstraction has 9845 states and 31508 transitions. [2018-11-28 20:22:08,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 20:22:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 9845 states and 31508 transitions. [2018-11-28 20:22:08,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 20:22:08,607 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:08,607 INFO L402 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] [2018-11-28 20:22:08,608 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:08,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:08,608 INFO L82 PathProgramCache]: Analyzing trace with hash -778746896, now seen corresponding path program 1 times [2018-11-28 20:22:08,608 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:08,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:08,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:08,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:08,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:09,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:09,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 20:22:09,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 20:22:09,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 20:22:09,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 20:22:09,264 INFO L87 Difference]: Start difference. First operand 9845 states and 31508 transitions. Second operand 7 states. [2018-11-28 20:22:09,522 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 9 [2018-11-28 20:22:10,064 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-11-28 20:22:10,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:10,807 INFO L93 Difference]: Finished difference Result 12285 states and 38673 transitions. [2018-11-28 20:22:10,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 20:22:10,808 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 20:22:10,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:10,836 INFO L225 Difference]: With dead ends: 12285 [2018-11-28 20:22:10,836 INFO L226 Difference]: Without dead ends: 12213 [2018-11-28 20:22:10,837 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-11-28 20:22:10,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12213 states. [2018-11-28 20:22:11,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12213 to 10849. [2018-11-28 20:22:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10849 states. [2018-11-28 20:22:11,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10849 states to 10849 states and 34563 transitions. [2018-11-28 20:22:11,073 INFO L78 Accepts]: Start accepts. Automaton has 10849 states and 34563 transitions. Word has length 52 [2018-11-28 20:22:11,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:11,073 INFO L480 AbstractCegarLoop]: Abstraction has 10849 states and 34563 transitions. [2018-11-28 20:22:11,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 20:22:11,073 INFO L276 IsEmpty]: Start isEmpty. Operand 10849 states and 34563 transitions. [2018-11-28 20:22:11,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 20:22:11,081 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:11,081 INFO L402 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] [2018-11-28 20:22:11,081 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:11,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:11,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1619956916, now seen corresponding path program 1 times [2018-11-28 20:22:11,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:11,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:11,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:11,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:11,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:11,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:11,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:11,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 20:22:11,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 20:22:11,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 20:22:11,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 20:22:11,209 INFO L87 Difference]: Start difference. First operand 10849 states and 34563 transitions. Second operand 4 states. [2018-11-28 20:22:11,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:11,433 INFO L93 Difference]: Finished difference Result 12396 states and 39572 transitions. [2018-11-28 20:22:11,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 20:22:11,434 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-11-28 20:22:11,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:11,459 INFO L225 Difference]: With dead ends: 12396 [2018-11-28 20:22:11,459 INFO L226 Difference]: Without dead ends: 12396 [2018-11-28 20:22:11,460 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 20:22:11,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12396 states. [2018-11-28 20:22:11,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12396 to 11369. [2018-11-28 20:22:11,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11369 states. [2018-11-28 20:22:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11369 states to 11369 states and 36236 transitions. [2018-11-28 20:22:11,727 INFO L78 Accepts]: Start accepts. Automaton has 11369 states and 36236 transitions. Word has length 60 [2018-11-28 20:22:11,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:11,727 INFO L480 AbstractCegarLoop]: Abstraction has 11369 states and 36236 transitions. [2018-11-28 20:22:11,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 20:22:11,727 INFO L276 IsEmpty]: Start isEmpty. Operand 11369 states and 36236 transitions. [2018-11-28 20:22:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 20:22:11,736 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:11,736 INFO L402 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] [2018-11-28 20:22:11,737 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:11,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:11,737 INFO L82 PathProgramCache]: Analyzing trace with hash 122853419, now seen corresponding path program 1 times [2018-11-28 20:22:11,737 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:11,737 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:11,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:11,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:11,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:12,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:12,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:12,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 20:22:12,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 20:22:12,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 20:22:12,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 20:22:12,042 INFO L87 Difference]: Start difference. First operand 11369 states and 36236 transitions. Second operand 6 states. [2018-11-28 20:22:12,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:12,857 INFO L93 Difference]: Finished difference Result 20969 states and 66486 transitions. [2018-11-28 20:22:12,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 20:22:12,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-28 20:22:12,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:12,900 INFO L225 Difference]: With dead ends: 20969 [2018-11-28 20:22:12,900 INFO L226 Difference]: Without dead ends: 20898 [2018-11-28 20:22:12,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-11-28 20:22:12,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20898 states. [2018-11-28 20:22:13,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20898 to 13755. [2018-11-28 20:22:13,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13755 states. [2018-11-28 20:22:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13755 states to 13755 states and 43280 transitions. [2018-11-28 20:22:13,613 INFO L78 Accepts]: Start accepts. Automaton has 13755 states and 43280 transitions. Word has length 60 [2018-11-28 20:22:13,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:13,613 INFO L480 AbstractCegarLoop]: Abstraction has 13755 states and 43280 transitions. [2018-11-28 20:22:13,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 20:22:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 13755 states and 43280 transitions. [2018-11-28 20:22:13,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 20:22:13,624 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:13,624 INFO L402 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] [2018-11-28 20:22:13,624 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:13,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:13,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1900874254, now seen corresponding path program 1 times [2018-11-28 20:22:13,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:13,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:13,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:13,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:13,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:13,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:13,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:13,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 20:22:13,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 20:22:13,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 20:22:13,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 20:22:13,851 INFO L87 Difference]: Start difference. First operand 13755 states and 43280 transitions. Second operand 4 states. [2018-11-28 20:22:14,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:14,442 INFO L93 Difference]: Finished difference Result 23352 states and 74493 transitions. [2018-11-28 20:22:14,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 20:22:14,443 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-11-28 20:22:14,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:14,484 INFO L225 Difference]: With dead ends: 23352 [2018-11-28 20:22:14,484 INFO L226 Difference]: Without dead ends: 23352 [2018-11-28 20:22:14,485 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 20:22:14,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23352 states. [2018-11-28 20:22:14,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23352 to 14523. [2018-11-28 20:22:14,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14523 states. [2018-11-28 20:22:14,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14523 states to 14523 states and 45664 transitions. [2018-11-28 20:22:14,769 INFO L78 Accepts]: Start accepts. Automaton has 14523 states and 45664 transitions. Word has length 64 [2018-11-28 20:22:14,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:14,770 INFO L480 AbstractCegarLoop]: Abstraction has 14523 states and 45664 transitions. [2018-11-28 20:22:14,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 20:22:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 14523 states and 45664 transitions. [2018-11-28 20:22:14,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 20:22:14,783 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:14,783 INFO L402 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] [2018-11-28 20:22:14,783 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:14,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:14,783 INFO L82 PathProgramCache]: Analyzing trace with hash -2100690035, now seen corresponding path program 1 times [2018-11-28 20:22:14,784 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:14,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:14,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:14,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:14,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:14,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:14,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:14,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 20:22:14,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 20:22:14,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 20:22:14,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 20:22:14,979 INFO L87 Difference]: Start difference. First operand 14523 states and 45664 transitions. Second operand 4 states. [2018-11-28 20:22:15,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:15,495 INFO L93 Difference]: Finished difference Result 18411 states and 56991 transitions. [2018-11-28 20:22:15,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 20:22:15,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-11-28 20:22:15,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:15,529 INFO L225 Difference]: With dead ends: 18411 [2018-11-28 20:22:15,529 INFO L226 Difference]: Without dead ends: 18411 [2018-11-28 20:22:15,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 20:22:15,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18411 states. [2018-11-28 20:22:15,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18411 to 16569. [2018-11-28 20:22:15,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16569 states. [2018-11-28 20:22:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16569 states to 16569 states and 51537 transitions. [2018-11-28 20:22:15,807 INFO L78 Accepts]: Start accepts. Automaton has 16569 states and 51537 transitions. Word has length 64 [2018-11-28 20:22:15,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:15,807 INFO L480 AbstractCegarLoop]: Abstraction has 16569 states and 51537 transitions. [2018-11-28 20:22:15,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 20:22:15,808 INFO L276 IsEmpty]: Start isEmpty. Operand 16569 states and 51537 transitions. [2018-11-28 20:22:15,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 20:22:15,819 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:15,819 INFO L402 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] [2018-11-28 20:22:15,819 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:15,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:15,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1059723442, now seen corresponding path program 1 times [2018-11-28 20:22:15,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:15,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:15,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:15,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:15,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:15,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:15,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:15,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 20:22:15,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 20:22:15,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 20:22:15,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 20:22:15,904 INFO L87 Difference]: Start difference. First operand 16569 states and 51537 transitions. Second operand 3 states. [2018-11-28 20:22:16,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:16,590 INFO L93 Difference]: Finished difference Result 17193 states and 53232 transitions. [2018-11-28 20:22:16,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 20:22:16,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-11-28 20:22:16,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:16,624 INFO L225 Difference]: With dead ends: 17193 [2018-11-28 20:22:16,624 INFO L226 Difference]: Without dead ends: 17193 [2018-11-28 20:22:16,624 INFO L631 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 [2018-11-28 20:22:16,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17193 states. [2018-11-28 20:22:16,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17193 to 16901. [2018-11-28 20:22:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16901 states. [2018-11-28 20:22:16,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16901 states to 16901 states and 52431 transitions. [2018-11-28 20:22:16,901 INFO L78 Accepts]: Start accepts. Automaton has 16901 states and 52431 transitions. Word has length 64 [2018-11-28 20:22:16,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:16,901 INFO L480 AbstractCegarLoop]: Abstraction has 16901 states and 52431 transitions. [2018-11-28 20:22:16,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 20:22:16,901 INFO L276 IsEmpty]: Start isEmpty. Operand 16901 states and 52431 transitions. [2018-11-28 20:22:16,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 20:22:16,914 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:16,915 INFO L402 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] [2018-11-28 20:22:16,915 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:16,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:16,915 INFO L82 PathProgramCache]: Analyzing trace with hash 380916983, now seen corresponding path program 1 times [2018-11-28 20:22:16,915 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:16,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:16,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:16,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:16,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:17,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:17,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 20:22:17,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 20:22:17,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 20:22:17,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 20:22:17,293 INFO L87 Difference]: Start difference. First operand 16901 states and 52431 transitions. Second operand 6 states. [2018-11-28 20:22:18,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:18,794 INFO L93 Difference]: Finished difference Result 20789 states and 63395 transitions. [2018-11-28 20:22:18,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 20:22:18,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-11-28 20:22:18,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:18,835 INFO L225 Difference]: With dead ends: 20789 [2018-11-28 20:22:18,835 INFO L226 Difference]: Without dead ends: 20789 [2018-11-28 20:22:18,836 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-28 20:22:18,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20789 states. [2018-11-28 20:22:19,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20789 to 19521. [2018-11-28 20:22:19,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19521 states. [2018-11-28 20:22:19,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19521 states to 19521 states and 60007 transitions. [2018-11-28 20:22:19,146 INFO L78 Accepts]: Start accepts. Automaton has 19521 states and 60007 transitions. Word has length 66 [2018-11-28 20:22:19,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:19,146 INFO L480 AbstractCegarLoop]: Abstraction has 19521 states and 60007 transitions. [2018-11-28 20:22:19,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 20:22:19,146 INFO L276 IsEmpty]: Start isEmpty. Operand 19521 states and 60007 transitions. [2018-11-28 20:22:19,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 20:22:19,160 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:19,160 INFO L402 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] [2018-11-28 20:22:19,160 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:19,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:19,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1342531000, now seen corresponding path program 1 times [2018-11-28 20:22:19,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:19,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:19,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:19,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:19,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:19,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:19,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:19,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 20:22:19,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 20:22:19,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 20:22:19,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 20:22:19,469 INFO L87 Difference]: Start difference. First operand 19521 states and 60007 transitions. Second operand 6 states. [2018-11-28 20:22:20,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:20,326 INFO L93 Difference]: Finished difference Result 22441 states and 66578 transitions. [2018-11-28 20:22:20,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 20:22:20,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-11-28 20:22:20,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:20,362 INFO L225 Difference]: With dead ends: 22441 [2018-11-28 20:22:20,362 INFO L226 Difference]: Without dead ends: 22441 [2018-11-28 20:22:20,363 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-28 20:22:20,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22441 states. [2018-11-28 20:22:20,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22441 to 20085. [2018-11-28 20:22:20,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20085 states. [2018-11-28 20:22:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20085 states to 20085 states and 60622 transitions. [2018-11-28 20:22:20,687 INFO L78 Accepts]: Start accepts. Automaton has 20085 states and 60622 transitions. Word has length 66 [2018-11-28 20:22:20,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:20,687 INFO L480 AbstractCegarLoop]: Abstraction has 20085 states and 60622 transitions. [2018-11-28 20:22:20,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 20:22:20,687 INFO L276 IsEmpty]: Start isEmpty. Operand 20085 states and 60622 transitions. [2018-11-28 20:22:20,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 20:22:20,702 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:20,703 INFO L402 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] [2018-11-28 20:22:20,703 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:20,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:20,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1707671815, now seen corresponding path program 1 times [2018-11-28 20:22:20,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:20,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:20,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:20,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:20,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:21,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:21,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 20:22:21,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 20:22:21,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 20:22:21,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 20:22:21,117 INFO L87 Difference]: Start difference. First operand 20085 states and 60622 transitions. Second operand 5 states. [2018-11-28 20:22:21,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:21,854 INFO L93 Difference]: Finished difference Result 26432 states and 79262 transitions. [2018-11-28 20:22:21,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 20:22:21,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-11-28 20:22:21,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:21,900 INFO L225 Difference]: With dead ends: 26432 [2018-11-28 20:22:21,900 INFO L226 Difference]: Without dead ends: 26432 [2018-11-28 20:22:21,901 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 20:22:21,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26432 states. [2018-11-28 20:22:22,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26432 to 23813. [2018-11-28 20:22:22,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23813 states. [2018-11-28 20:22:22,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23813 states to 23813 states and 71372 transitions. [2018-11-28 20:22:22,339 INFO L78 Accepts]: Start accepts. Automaton has 23813 states and 71372 transitions. Word has length 66 [2018-11-28 20:22:22,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:22,340 INFO L480 AbstractCegarLoop]: Abstraction has 23813 states and 71372 transitions. [2018-11-28 20:22:22,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 20:22:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 23813 states and 71372 transitions. [2018-11-28 20:22:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 20:22:22,355 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:22,355 INFO L402 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] [2018-11-28 20:22:22,356 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:22,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:22,356 INFO L82 PathProgramCache]: Analyzing trace with hash 2076761304, now seen corresponding path program 1 times [2018-11-28 20:22:22,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:22,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:22,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:22,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:22,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:22,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:22,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 20:22:22,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 20:22:22,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 20:22:22,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 20:22:22,945 INFO L87 Difference]: Start difference. First operand 23813 states and 71372 transitions. Second operand 5 states. [2018-11-28 20:22:23,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:23,631 INFO L93 Difference]: Finished difference Result 33063 states and 98211 transitions. [2018-11-28 20:22:23,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 20:22:23,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-11-28 20:22:23,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:23,684 INFO L225 Difference]: With dead ends: 33063 [2018-11-28 20:22:23,684 INFO L226 Difference]: Without dead ends: 33063 [2018-11-28 20:22:23,685 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 20:22:23,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33063 states. [2018-11-28 20:22:24,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33063 to 29343. [2018-11-28 20:22:24,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29343 states. [2018-11-28 20:22:24,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29343 states to 29343 states and 87599 transitions. [2018-11-28 20:22:24,109 INFO L78 Accepts]: Start accepts. Automaton has 29343 states and 87599 transitions. Word has length 66 [2018-11-28 20:22:24,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:24,110 INFO L480 AbstractCegarLoop]: Abstraction has 29343 states and 87599 transitions. [2018-11-28 20:22:24,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 20:22:24,110 INFO L276 IsEmpty]: Start isEmpty. Operand 29343 states and 87599 transitions. [2018-11-28 20:22:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 20:22:24,124 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:24,124 INFO L402 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] [2018-11-28 20:22:24,124 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:24,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:24,125 INFO L82 PathProgramCache]: Analyzing trace with hash 269306841, now seen corresponding path program 1 times [2018-11-28 20:22:24,125 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:24,125 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:24,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:24,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:24,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:24,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:24,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:24,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 20:22:24,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 20:22:24,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 20:22:24,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 20:22:24,373 INFO L87 Difference]: Start difference. First operand 29343 states and 87599 transitions. Second operand 5 states. [2018-11-28 20:22:24,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:24,713 INFO L93 Difference]: Finished difference Result 9075 states and 21914 transitions. [2018-11-28 20:22:24,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 20:22:24,714 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-11-28 20:22:24,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:24,723 INFO L225 Difference]: With dead ends: 9075 [2018-11-28 20:22:24,723 INFO L226 Difference]: Without dead ends: 7223 [2018-11-28 20:22:24,723 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-28 20:22:24,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7223 states. [2018-11-28 20:22:24,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7223 to 6120. [2018-11-28 20:22:24,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6120 states. [2018-11-28 20:22:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6120 states to 6120 states and 14385 transitions. [2018-11-28 20:22:24,794 INFO L78 Accepts]: Start accepts. Automaton has 6120 states and 14385 transitions. Word has length 66 [2018-11-28 20:22:24,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:24,794 INFO L480 AbstractCegarLoop]: Abstraction has 6120 states and 14385 transitions. [2018-11-28 20:22:24,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 20:22:24,794 INFO L276 IsEmpty]: Start isEmpty. Operand 6120 states and 14385 transitions. [2018-11-28 20:22:24,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 20:22:24,801 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:24,801 INFO L402 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] [2018-11-28 20:22:24,801 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:24,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:24,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1563910716, now seen corresponding path program 1 times [2018-11-28 20:22:24,801 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:24,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:24,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:24,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:24,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:24,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:24,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:24,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 20:22:24,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 20:22:24,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 20:22:24,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 20:22:24,881 INFO L87 Difference]: Start difference. First operand 6120 states and 14385 transitions. Second operand 3 states. [2018-11-28 20:22:25,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:25,020 INFO L93 Difference]: Finished difference Result 8339 states and 19492 transitions. [2018-11-28 20:22:25,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 20:22:25,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-11-28 20:22:25,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:25,030 INFO L225 Difference]: With dead ends: 8339 [2018-11-28 20:22:25,030 INFO L226 Difference]: Without dead ends: 8339 [2018-11-28 20:22:25,030 INFO L631 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 [2018-11-28 20:22:25,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8339 states. [2018-11-28 20:22:25,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8339 to 6059. [2018-11-28 20:22:25,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6059 states. [2018-11-28 20:22:25,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6059 states to 6059 states and 13925 transitions. [2018-11-28 20:22:25,104 INFO L78 Accepts]: Start accepts. Automaton has 6059 states and 13925 transitions. Word has length 66 [2018-11-28 20:22:25,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:25,104 INFO L480 AbstractCegarLoop]: Abstraction has 6059 states and 13925 transitions. [2018-11-28 20:22:25,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 20:22:25,104 INFO L276 IsEmpty]: Start isEmpty. Operand 6059 states and 13925 transitions. [2018-11-28 20:22:25,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-28 20:22:25,112 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:25,113 INFO L402 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] [2018-11-28 20:22:25,113 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:25,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:25,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1344844335, now seen corresponding path program 1 times [2018-11-28 20:22:25,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:25,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:25,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:25,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:25,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:25,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:25,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:25,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 20:22:25,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 20:22:25,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 20:22:25,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 20:22:25,291 INFO L87 Difference]: Start difference. First operand 6059 states and 13925 transitions. Second operand 5 states. [2018-11-28 20:22:25,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:25,498 INFO L93 Difference]: Finished difference Result 7229 states and 16566 transitions. [2018-11-28 20:22:25,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 20:22:25,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-11-28 20:22:25,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:25,509 INFO L225 Difference]: With dead ends: 7229 [2018-11-28 20:22:25,510 INFO L226 Difference]: Without dead ends: 7229 [2018-11-28 20:22:25,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 20:22:25,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7229 states. [2018-11-28 20:22:25,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7229 to 6503. [2018-11-28 20:22:25,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6503 states. [2018-11-28 20:22:25,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6503 states to 6503 states and 14929 transitions. [2018-11-28 20:22:25,582 INFO L78 Accepts]: Start accepts. Automaton has 6503 states and 14929 transitions. Word has length 72 [2018-11-28 20:22:25,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:25,583 INFO L480 AbstractCegarLoop]: Abstraction has 6503 states and 14929 transitions. [2018-11-28 20:22:25,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 20:22:25,583 INFO L276 IsEmpty]: Start isEmpty. Operand 6503 states and 14929 transitions. [2018-11-28 20:22:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-28 20:22:25,589 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:25,590 INFO L402 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] [2018-11-28 20:22:25,590 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:25,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:25,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1207312626, now seen corresponding path program 1 times [2018-11-28 20:22:25,590 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:25,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:25,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:25,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:25,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:25,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:25,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 20:22:25,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 20:22:25,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 20:22:25,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-28 20:22:25,826 INFO L87 Difference]: Start difference. First operand 6503 states and 14929 transitions. Second operand 9 states. [2018-11-28 20:22:26,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:26,483 INFO L93 Difference]: Finished difference Result 8529 states and 19410 transitions. [2018-11-28 20:22:26,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 20:22:26,485 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2018-11-28 20:22:26,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:26,496 INFO L225 Difference]: With dead ends: 8529 [2018-11-28 20:22:26,496 INFO L226 Difference]: Without dead ends: 8410 [2018-11-28 20:22:26,497 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-28 20:22:26,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8410 states. [2018-11-28 20:22:26,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8410 to 6600. [2018-11-28 20:22:26,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6600 states. [2018-11-28 20:22:26,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6600 states to 6600 states and 15022 transitions. [2018-11-28 20:22:26,583 INFO L78 Accepts]: Start accepts. Automaton has 6600 states and 15022 transitions. Word has length 72 [2018-11-28 20:22:26,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:26,583 INFO L480 AbstractCegarLoop]: Abstraction has 6600 states and 15022 transitions. [2018-11-28 20:22:26,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 20:22:26,583 INFO L276 IsEmpty]: Start isEmpty. Operand 6600 states and 15022 transitions. [2018-11-28 20:22:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-28 20:22:26,592 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:26,592 INFO L402 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] [2018-11-28 20:22:26,592 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:26,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:26,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1119414586, now seen corresponding path program 1 times [2018-11-28 20:22:26,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:26,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:26,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:26,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:26,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:26,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:26,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 20:22:26,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 20:22:26,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 20:22:26,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 20:22:26,702 INFO L87 Difference]: Start difference. First operand 6600 states and 15022 transitions. Second operand 4 states. [2018-11-28 20:22:27,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:27,022 INFO L93 Difference]: Finished difference Result 10287 states and 23293 transitions. [2018-11-28 20:22:27,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 20:22:27,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-11-28 20:22:27,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:27,038 INFO L225 Difference]: With dead ends: 10287 [2018-11-28 20:22:27,038 INFO L226 Difference]: Without dead ends: 10287 [2018-11-28 20:22:27,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 20:22:27,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10287 states. [2018-11-28 20:22:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10287 to 7720. [2018-11-28 20:22:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7720 states. [2018-11-28 20:22:27,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7720 states to 7720 states and 17356 transitions. [2018-11-28 20:22:27,148 INFO L78 Accepts]: Start accepts. Automaton has 7720 states and 17356 transitions. Word has length 91 [2018-11-28 20:22:27,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:27,149 INFO L480 AbstractCegarLoop]: Abstraction has 7720 states and 17356 transitions. [2018-11-28 20:22:27,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 20:22:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 7720 states and 17356 transitions. [2018-11-28 20:22:27,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-28 20:22:27,158 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:27,158 INFO L402 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] [2018-11-28 20:22:27,158 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:27,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:27,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1265743780, now seen corresponding path program 1 times [2018-11-28 20:22:27,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:27,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:27,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:27,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:27,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:27,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:27,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 20:22:27,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 20:22:27,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 20:22:27,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 20:22:27,347 INFO L87 Difference]: Start difference. First operand 7720 states and 17356 transitions. Second operand 4 states. [2018-11-28 20:22:27,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:27,464 INFO L93 Difference]: Finished difference Result 8285 states and 18649 transitions. [2018-11-28 20:22:27,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 20:22:27,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-11-28 20:22:27,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:27,479 INFO L225 Difference]: With dead ends: 8285 [2018-11-28 20:22:27,479 INFO L226 Difference]: Without dead ends: 8285 [2018-11-28 20:22:27,480 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 20:22:27,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8285 states. [2018-11-28 20:22:27,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8285 to 7626. [2018-11-28 20:22:27,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7626 states. [2018-11-28 20:22:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7626 states to 7626 states and 17251 transitions. [2018-11-28 20:22:27,573 INFO L78 Accepts]: Start accepts. Automaton has 7626 states and 17251 transitions. Word has length 91 [2018-11-28 20:22:27,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:27,573 INFO L480 AbstractCegarLoop]: Abstraction has 7626 states and 17251 transitions. [2018-11-28 20:22:27,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 20:22:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 7626 states and 17251 transitions. [2018-11-28 20:22:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 20:22:27,582 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:27,583 INFO L402 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] [2018-11-28 20:22:27,583 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:27,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:27,583 INFO L82 PathProgramCache]: Analyzing trace with hash -248736448, now seen corresponding path program 1 times [2018-11-28 20:22:27,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:27,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:27,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:27,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:27,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:27,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:27,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:27,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 20:22:27,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 20:22:27,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 20:22:27,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-11-28 20:22:27,947 INFO L87 Difference]: Start difference. First operand 7626 states and 17251 transitions. Second operand 7 states. [2018-11-28 20:22:30,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:30,005 INFO L93 Difference]: Finished difference Result 9400 states and 21199 transitions. [2018-11-28 20:22:30,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 20:22:30,007 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-11-28 20:22:30,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:30,019 INFO L225 Difference]: With dead ends: 9400 [2018-11-28 20:22:30,019 INFO L226 Difference]: Without dead ends: 9400 [2018-11-28 20:22:30,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-11-28 20:22:30,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9400 states. [2018-11-28 20:22:30,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9400 to 7738. [2018-11-28 20:22:30,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7738 states. [2018-11-28 20:22:30,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7738 states to 7738 states and 17571 transitions. [2018-11-28 20:22:30,123 INFO L78 Accepts]: Start accepts. Automaton has 7738 states and 17571 transitions. Word has length 93 [2018-11-28 20:22:30,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:30,124 INFO L480 AbstractCegarLoop]: Abstraction has 7738 states and 17571 transitions. [2018-11-28 20:22:30,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 20:22:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 7738 states and 17571 transitions. [2018-11-28 20:22:30,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 20:22:30,136 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:30,136 INFO L402 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] [2018-11-28 20:22:30,137 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:30,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:30,137 INFO L82 PathProgramCache]: Analyzing trace with hash 190059557, now seen corresponding path program 1 times [2018-11-28 20:22:30,137 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:30,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:30,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:30,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:30,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:30,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:30,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:30,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 20:22:30,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 20:22:30,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 20:22:30,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 20:22:30,412 INFO L87 Difference]: Start difference. First operand 7738 states and 17571 transitions. Second operand 5 states. [2018-11-28 20:22:30,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:30,536 INFO L93 Difference]: Finished difference Result 8645 states and 19529 transitions. [2018-11-28 20:22:30,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 20:22:30,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-11-28 20:22:30,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:30,548 INFO L225 Difference]: With dead ends: 8645 [2018-11-28 20:22:30,549 INFO L226 Difference]: Without dead ends: 8645 [2018-11-28 20:22:30,549 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 20:22:30,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8645 states. [2018-11-28 20:22:30,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8645 to 6634. [2018-11-28 20:22:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6634 states. [2018-11-28 20:22:30,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6634 states to 6634 states and 15090 transitions. [2018-11-28 20:22:30,656 INFO L78 Accepts]: Start accepts. Automaton has 6634 states and 15090 transitions. Word has length 93 [2018-11-28 20:22:30,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:30,657 INFO L480 AbstractCegarLoop]: Abstraction has 6634 states and 15090 transitions. [2018-11-28 20:22:30,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 20:22:30,657 INFO L276 IsEmpty]: Start isEmpty. Operand 6634 states and 15090 transitions. [2018-11-28 20:22:30,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 20:22:30,667 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:30,667 INFO L402 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] [2018-11-28 20:22:30,667 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:30,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:30,667 INFO L82 PathProgramCache]: Analyzing trace with hash -64676988, now seen corresponding path program 1 times [2018-11-28 20:22:30,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:30,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:30,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:30,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:30,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:31,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:31,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:31,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 20:22:31,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 20:22:31,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 20:22:31,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 20:22:31,027 INFO L87 Difference]: Start difference. First operand 6634 states and 15090 transitions. Second operand 5 states. [2018-11-28 20:22:31,240 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-28 20:22:32,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:32,130 INFO L93 Difference]: Finished difference Result 7882 states and 17730 transitions. [2018-11-28 20:22:32,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 20:22:32,131 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-11-28 20:22:32,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:32,141 INFO L225 Difference]: With dead ends: 7882 [2018-11-28 20:22:32,141 INFO L226 Difference]: Without dead ends: 7751 [2018-11-28 20:22:32,142 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 20:22:32,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7751 states. [2018-11-28 20:22:32,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7751 to 7373. [2018-11-28 20:22:32,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7373 states. [2018-11-28 20:22:32,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7373 states to 7373 states and 16709 transitions. [2018-11-28 20:22:32,223 INFO L78 Accepts]: Start accepts. Automaton has 7373 states and 16709 transitions. Word has length 93 [2018-11-28 20:22:32,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:32,223 INFO L480 AbstractCegarLoop]: Abstraction has 7373 states and 16709 transitions. [2018-11-28 20:22:32,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 20:22:32,223 INFO L276 IsEmpty]: Start isEmpty. Operand 7373 states and 16709 transitions. [2018-11-28 20:22:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 20:22:32,232 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:32,232 INFO L402 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] [2018-11-28 20:22:32,232 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:32,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:32,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1180087493, now seen corresponding path program 1 times [2018-11-28 20:22:32,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:32,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:32,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:32,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:32,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:32,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:32,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:32,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 20:22:32,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 20:22:32,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 20:22:32,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 20:22:32,368 INFO L87 Difference]: Start difference. First operand 7373 states and 16709 transitions. Second operand 6 states. [2018-11-28 20:22:32,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:32,752 INFO L93 Difference]: Finished difference Result 9406 states and 21103 transitions. [2018-11-28 20:22:32,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 20:22:32,753 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-28 20:22:32,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:32,765 INFO L225 Difference]: With dead ends: 9406 [2018-11-28 20:22:32,765 INFO L226 Difference]: Without dead ends: 9298 [2018-11-28 20:22:32,765 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-11-28 20:22:32,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9298 states. [2018-11-28 20:22:32,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9298 to 7200. [2018-11-28 20:22:32,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7200 states. [2018-11-28 20:22:32,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7200 states to 7200 states and 16315 transitions. [2018-11-28 20:22:32,857 INFO L78 Accepts]: Start accepts. Automaton has 7200 states and 16315 transitions. Word has length 93 [2018-11-28 20:22:32,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:32,857 INFO L480 AbstractCegarLoop]: Abstraction has 7200 states and 16315 transitions. [2018-11-28 20:22:32,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 20:22:32,858 INFO L276 IsEmpty]: Start isEmpty. Operand 7200 states and 16315 transitions. [2018-11-28 20:22:32,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 20:22:32,865 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:32,866 INFO L402 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] [2018-11-28 20:22:32,866 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:32,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:32,866 INFO L82 PathProgramCache]: Analyzing trace with hash 86477922, now seen corresponding path program 1 times [2018-11-28 20:22:32,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:32,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:32,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:32,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:32,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:33,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:33,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 20:22:33,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 20:22:33,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 20:22:33,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-28 20:22:33,066 INFO L87 Difference]: Start difference. First operand 7200 states and 16315 transitions. Second operand 9 states. [2018-11-28 20:22:33,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:33,842 INFO L93 Difference]: Finished difference Result 10191 states and 23070 transitions. [2018-11-28 20:22:33,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-28 20:22:33,843 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-11-28 20:22:33,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:33,856 INFO L225 Difference]: With dead ends: 10191 [2018-11-28 20:22:33,856 INFO L226 Difference]: Without dead ends: 10159 [2018-11-28 20:22:33,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-11-28 20:22:33,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10159 states. [2018-11-28 20:22:33,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10159 to 9008. [2018-11-28 20:22:33,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9008 states. [2018-11-28 20:22:33,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9008 states to 9008 states and 20407 transitions. [2018-11-28 20:22:33,969 INFO L78 Accepts]: Start accepts. Automaton has 9008 states and 20407 transitions. Word has length 93 [2018-11-28 20:22:33,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:33,969 INFO L480 AbstractCegarLoop]: Abstraction has 9008 states and 20407 transitions. [2018-11-28 20:22:33,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 20:22:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 9008 states and 20407 transitions. [2018-11-28 20:22:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 20:22:33,979 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:33,979 INFO L402 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] [2018-11-28 20:22:33,979 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:33,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:33,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1710473437, now seen corresponding path program 1 times [2018-11-28 20:22:33,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:33,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:33,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:33,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:33,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:34,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:34,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 20:22:34,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 20:22:34,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 20:22:34,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-28 20:22:34,235 INFO L87 Difference]: Start difference. First operand 9008 states and 20407 transitions. Second operand 8 states. [2018-11-28 20:22:34,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:34,731 INFO L93 Difference]: Finished difference Result 14357 states and 33169 transitions. [2018-11-28 20:22:34,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 20:22:34,733 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-11-28 20:22:34,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:34,750 INFO L225 Difference]: With dead ends: 14357 [2018-11-28 20:22:34,751 INFO L226 Difference]: Without dead ends: 14357 [2018-11-28 20:22:34,751 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-11-28 20:22:34,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14357 states. [2018-11-28 20:22:34,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14357 to 9634. [2018-11-28 20:22:34,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9634 states. [2018-11-28 20:22:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9634 states to 9634 states and 22044 transitions. [2018-11-28 20:22:34,893 INFO L78 Accepts]: Start accepts. Automaton has 9634 states and 22044 transitions. Word has length 93 [2018-11-28 20:22:34,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:34,893 INFO L480 AbstractCegarLoop]: Abstraction has 9634 states and 22044 transitions. [2018-11-28 20:22:34,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 20:22:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 9634 states and 22044 transitions. [2018-11-28 20:22:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 20:22:34,905 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:34,905 INFO L402 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] [2018-11-28 20:22:34,905 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:34,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:34,906 INFO L82 PathProgramCache]: Analyzing trace with hash -822969756, now seen corresponding path program 1 times [2018-11-28 20:22:34,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:34,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:34,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:34,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:34,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:35,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:35,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 20:22:35,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 20:22:35,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 20:22:35,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 20:22:35,027 INFO L87 Difference]: Start difference. First operand 9634 states and 22044 transitions. Second operand 3 states. [2018-11-28 20:22:35,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:35,150 INFO L93 Difference]: Finished difference Result 9378 states and 21228 transitions. [2018-11-28 20:22:35,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 20:22:35,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-28 20:22:35,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:35,162 INFO L225 Difference]: With dead ends: 9378 [2018-11-28 20:22:35,162 INFO L226 Difference]: Without dead ends: 9346 [2018-11-28 20:22:35,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 20:22:35,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9346 states. [2018-11-28 20:22:35,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9346 to 7511. [2018-11-28 20:22:35,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7511 states. [2018-11-28 20:22:35,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7511 states to 7511 states and 16863 transitions. [2018-11-28 20:22:35,249 INFO L78 Accepts]: Start accepts. Automaton has 7511 states and 16863 transitions. Word has length 93 [2018-11-28 20:22:35,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:35,250 INFO L480 AbstractCegarLoop]: Abstraction has 7511 states and 16863 transitions. [2018-11-28 20:22:35,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 20:22:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 7511 states and 16863 transitions. [2018-11-28 20:22:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 20:22:35,258 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:35,258 INFO L402 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] [2018-11-28 20:22:35,258 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:35,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:35,259 INFO L82 PathProgramCache]: Analyzing trace with hash 461346830, now seen corresponding path program 1 times [2018-11-28 20:22:35,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:35,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:35,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:35,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:35,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:35,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:35,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 20:22:35,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 20:22:35,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 20:22:35,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-28 20:22:35,564 INFO L87 Difference]: Start difference. First operand 7511 states and 16863 transitions. Second operand 10 states. [2018-11-28 20:22:36,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:36,487 INFO L93 Difference]: Finished difference Result 9932 states and 22168 transitions. [2018-11-28 20:22:36,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-28 20:22:36,488 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2018-11-28 20:22:36,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:36,499 INFO L225 Difference]: With dead ends: 9932 [2018-11-28 20:22:36,499 INFO L226 Difference]: Without dead ends: 9932 [2018-11-28 20:22:36,500 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-11-28 20:22:36,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9932 states. [2018-11-28 20:22:36,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9932 to 8732. [2018-11-28 20:22:36,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8732 states. [2018-11-28 20:22:36,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8732 states to 8732 states and 19527 transitions. [2018-11-28 20:22:36,599 INFO L78 Accepts]: Start accepts. Automaton has 8732 states and 19527 transitions. Word has length 95 [2018-11-28 20:22:36,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:36,599 INFO L480 AbstractCegarLoop]: Abstraction has 8732 states and 19527 transitions. [2018-11-28 20:22:36,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 20:22:36,599 INFO L276 IsEmpty]: Start isEmpty. Operand 8732 states and 19527 transitions. [2018-11-28 20:22:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 20:22:36,609 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:36,609 INFO L402 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] [2018-11-28 20:22:36,609 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:36,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:36,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1348850511, now seen corresponding path program 1 times [2018-11-28 20:22:36,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:36,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:36,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:36,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:36,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:36,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:36,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 20:22:36,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 20:22:36,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 20:22:36,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-28 20:22:36,956 INFO L87 Difference]: Start difference. First operand 8732 states and 19527 transitions. Second operand 9 states. [2018-11-28 20:22:37,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:37,730 INFO L93 Difference]: Finished difference Result 10680 states and 23668 transitions. [2018-11-28 20:22:37,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 20:22:37,731 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-11-28 20:22:37,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:37,746 INFO L225 Difference]: With dead ends: 10680 [2018-11-28 20:22:37,746 INFO L226 Difference]: Without dead ends: 10680 [2018-11-28 20:22:37,746 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2018-11-28 20:22:37,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10680 states. [2018-11-28 20:22:37,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10680 to 9212. [2018-11-28 20:22:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9212 states. [2018-11-28 20:22:37,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9212 states to 9212 states and 20534 transitions. [2018-11-28 20:22:37,888 INFO L78 Accepts]: Start accepts. Automaton has 9212 states and 20534 transitions. Word has length 95 [2018-11-28 20:22:37,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:37,889 INFO L480 AbstractCegarLoop]: Abstraction has 9212 states and 20534 transitions. [2018-11-28 20:22:37,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 20:22:37,889 INFO L276 IsEmpty]: Start isEmpty. Operand 9212 states and 20534 transitions. [2018-11-28 20:22:37,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 20:22:37,898 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:37,898 INFO L402 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] [2018-11-28 20:22:37,899 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:37,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:37,899 INFO L82 PathProgramCache]: Analyzing trace with hash 672697743, now seen corresponding path program 1 times [2018-11-28 20:22:37,899 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:37,899 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:37,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:37,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:37,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:38,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:38,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:38,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-28 20:22:38,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 20:22:38,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 20:22:38,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 20:22:38,189 INFO L87 Difference]: Start difference. First operand 9212 states and 20534 transitions. Second operand 13 states. [2018-11-28 20:22:39,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:39,542 INFO L93 Difference]: Finished difference Result 12994 states and 28668 transitions. [2018-11-28 20:22:39,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-28 20:22:39,543 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 95 [2018-11-28 20:22:39,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:39,559 INFO L225 Difference]: With dead ends: 12994 [2018-11-28 20:22:39,559 INFO L226 Difference]: Without dead ends: 12994 [2018-11-28 20:22:39,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=715, Unknown=0, NotChecked=0, Total=870 [2018-11-28 20:22:39,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12994 states. [2018-11-28 20:22:39,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12994 to 9608. [2018-11-28 20:22:39,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9608 states. [2018-11-28 20:22:39,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9608 states to 9608 states and 21410 transitions. [2018-11-28 20:22:39,760 INFO L78 Accepts]: Start accepts. Automaton has 9608 states and 21410 transitions. Word has length 95 [2018-11-28 20:22:39,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:39,760 INFO L480 AbstractCegarLoop]: Abstraction has 9608 states and 21410 transitions. [2018-11-28 20:22:39,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 20:22:39,760 INFO L276 IsEmpty]: Start isEmpty. Operand 9608 states and 21410 transitions. [2018-11-28 20:22:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 20:22:39,772 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:39,772 INFO L402 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] [2018-11-28 20:22:39,772 INFO L423 AbstractCegarLoop]: === Iteration 31 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:39,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:39,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1560201424, now seen corresponding path program 1 times [2018-11-28 20:22:39,773 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:39,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:39,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:39,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:39,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:40,114 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-28 20:22:40,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:40,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:40,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-28 20:22:40,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 20:22:40,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 20:22:40,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-28 20:22:40,272 INFO L87 Difference]: Start difference. First operand 9608 states and 21410 transitions. Second operand 11 states. [2018-11-28 20:22:41,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:41,999 INFO L93 Difference]: Finished difference Result 18046 states and 40435 transitions. [2018-11-28 20:22:42,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 20:22:42,000 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-11-28 20:22:42,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:42,016 INFO L225 Difference]: With dead ends: 18046 [2018-11-28 20:22:42,016 INFO L226 Difference]: Without dead ends: 12348 [2018-11-28 20:22:42,016 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-11-28 20:22:42,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12348 states. [2018-11-28 20:22:42,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12348 to 9338. [2018-11-28 20:22:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9338 states. [2018-11-28 20:22:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9338 states to 9338 states and 20791 transitions. [2018-11-28 20:22:42,135 INFO L78 Accepts]: Start accepts. Automaton has 9338 states and 20791 transitions. Word has length 95 [2018-11-28 20:22:42,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:42,135 INFO L480 AbstractCegarLoop]: Abstraction has 9338 states and 20791 transitions. [2018-11-28 20:22:42,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 20:22:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 9338 states and 20791 transitions. [2018-11-28 20:22:42,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 20:22:42,145 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:42,146 INFO L402 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] [2018-11-28 20:22:42,146 INFO L423 AbstractCegarLoop]: === Iteration 32 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:42,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:42,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1172529568, now seen corresponding path program 1 times [2018-11-28 20:22:42,146 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:42,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:42,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:42,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:42,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:42,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:42,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:42,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 20:22:42,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 20:22:42,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 20:22:42,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 20:22:42,908 INFO L87 Difference]: Start difference. First operand 9338 states and 20791 transitions. Second operand 7 states. [2018-11-28 20:22:43,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:43,512 INFO L93 Difference]: Finished difference Result 10983 states and 24188 transitions. [2018-11-28 20:22:43,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 20:22:43,513 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-11-28 20:22:43,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:43,526 INFO L225 Difference]: With dead ends: 10983 [2018-11-28 20:22:43,526 INFO L226 Difference]: Without dead ends: 10940 [2018-11-28 20:22:43,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-11-28 20:22:43,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10940 states. [2018-11-28 20:22:43,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10940 to 9660. [2018-11-28 20:22:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9660 states. [2018-11-28 20:22:43,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9660 states to 9660 states and 21408 transitions. [2018-11-28 20:22:43,641 INFO L78 Accepts]: Start accepts. Automaton has 9660 states and 21408 transitions. Word has length 95 [2018-11-28 20:22:43,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:43,642 INFO L480 AbstractCegarLoop]: Abstraction has 9660 states and 21408 transitions. [2018-11-28 20:22:43,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 20:22:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 9660 states and 21408 transitions. [2018-11-28 20:22:43,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 20:22:43,655 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:43,656 INFO L402 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] [2018-11-28 20:22:43,656 INFO L423 AbstractCegarLoop]: === Iteration 33 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:43,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:43,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1509000320, now seen corresponding path program 2 times [2018-11-28 20:22:43,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:43,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:43,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:43,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:43,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:44,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:44,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:44,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 20:22:44,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 20:22:44,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 20:22:44,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 20:22:44,083 INFO L87 Difference]: Start difference. First operand 9660 states and 21408 transitions. Second operand 7 states. [2018-11-28 20:22:44,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:44,605 INFO L93 Difference]: Finished difference Result 13423 states and 29205 transitions. [2018-11-28 20:22:44,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 20:22:44,606 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-11-28 20:22:44,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:44,621 INFO L225 Difference]: With dead ends: 13423 [2018-11-28 20:22:44,621 INFO L226 Difference]: Without dead ends: 13423 [2018-11-28 20:22:44,622 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2018-11-28 20:22:44,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13423 states. [2018-11-28 20:22:44,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13423 to 10567. [2018-11-28 20:22:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10567 states. [2018-11-28 20:22:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10567 states to 10567 states and 23476 transitions. [2018-11-28 20:22:44,760 INFO L78 Accepts]: Start accepts. Automaton has 10567 states and 23476 transitions. Word has length 95 [2018-11-28 20:22:44,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:44,760 INFO L480 AbstractCegarLoop]: Abstraction has 10567 states and 23476 transitions. [2018-11-28 20:22:44,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 20:22:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 10567 states and 23476 transitions. [2018-11-28 20:22:44,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 20:22:44,773 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:44,773 INFO L402 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] [2018-11-28 20:22:44,773 INFO L423 AbstractCegarLoop]: === Iteration 34 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:44,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:44,773 INFO L82 PathProgramCache]: Analyzing trace with hash 2109814208, now seen corresponding path program 1 times [2018-11-28 20:22:44,774 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:44,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:44,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:44,775 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 20:22:44,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:45,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:45,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 20:22:45,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 20:22:45,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 20:22:45,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 20:22:45,285 INFO L87 Difference]: Start difference. First operand 10567 states and 23476 transitions. Second operand 6 states. [2018-11-28 20:22:45,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:45,972 INFO L93 Difference]: Finished difference Result 10913 states and 24029 transitions. [2018-11-28 20:22:45,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 20:22:45,973 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-11-28 20:22:45,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:45,986 INFO L225 Difference]: With dead ends: 10913 [2018-11-28 20:22:45,986 INFO L226 Difference]: Without dead ends: 10913 [2018-11-28 20:22:45,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-28 20:22:45,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10913 states. [2018-11-28 20:22:46,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10913 to 10221. [2018-11-28 20:22:46,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10221 states. [2018-11-28 20:22:46,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10221 states to 10221 states and 22603 transitions. [2018-11-28 20:22:46,102 INFO L78 Accepts]: Start accepts. Automaton has 10221 states and 22603 transitions. Word has length 95 [2018-11-28 20:22:46,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:46,102 INFO L480 AbstractCegarLoop]: Abstraction has 10221 states and 22603 transitions. [2018-11-28 20:22:46,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 20:22:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 10221 states and 22603 transitions. [2018-11-28 20:22:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 20:22:46,114 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:46,114 INFO L402 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] [2018-11-28 20:22:46,114 INFO L423 AbstractCegarLoop]: === Iteration 35 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:46,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:46,114 INFO L82 PathProgramCache]: Analyzing trace with hash -842763807, now seen corresponding path program 2 times [2018-11-28 20:22:46,114 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:46,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:46,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:46,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:22:46,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:46,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:46,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:46,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 20:22:46,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 20:22:46,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 20:22:46,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 20:22:46,394 INFO L87 Difference]: Start difference. First operand 10221 states and 22603 transitions. Second operand 8 states. [2018-11-28 20:22:46,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:46,900 INFO L93 Difference]: Finished difference Result 13242 states and 28942 transitions. [2018-11-28 20:22:46,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 20:22:46,901 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2018-11-28 20:22:46,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:46,917 INFO L225 Difference]: With dead ends: 13242 [2018-11-28 20:22:46,917 INFO L226 Difference]: Without dead ends: 13242 [2018-11-28 20:22:46,918 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2018-11-28 20:22:46,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13242 states. [2018-11-28 20:22:47,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13242 to 10350. [2018-11-28 20:22:47,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10350 states. [2018-11-28 20:22:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10350 states to 10350 states and 22918 transitions. [2018-11-28 20:22:47,049 INFO L78 Accepts]: Start accepts. Automaton has 10350 states and 22918 transitions. Word has length 95 [2018-11-28 20:22:47,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:47,049 INFO L480 AbstractCegarLoop]: Abstraction has 10350 states and 22918 transitions. [2018-11-28 20:22:47,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 20:22:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 10350 states and 22918 transitions. [2018-11-28 20:22:47,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 20:22:47,061 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:47,061 INFO L402 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] [2018-11-28 20:22:47,061 INFO L423 AbstractCegarLoop]: === Iteration 36 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:47,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:47,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1518916575, now seen corresponding path program 2 times [2018-11-28 20:22:47,062 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:47,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:47,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:47,063 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 20:22:47,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:22:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:22:47,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:22:47,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-28 20:22:47,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 20:22:47,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 20:22:47,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-28 20:22:47,476 INFO L87 Difference]: Start difference. First operand 10350 states and 22918 transitions. Second operand 12 states. [2018-11-28 20:22:48,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:22:48,623 INFO L93 Difference]: Finished difference Result 12612 states and 27783 transitions. [2018-11-28 20:22:48,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-28 20:22:48,624 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2018-11-28 20:22:48,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:22:48,640 INFO L225 Difference]: With dead ends: 12612 [2018-11-28 20:22:48,640 INFO L226 Difference]: Without dead ends: 12612 [2018-11-28 20:22:48,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2018-11-28 20:22:48,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12612 states. [2018-11-28 20:22:48,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12612 to 10149. [2018-11-28 20:22:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10149 states. [2018-11-28 20:22:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10149 states to 10149 states and 22503 transitions. [2018-11-28 20:22:48,757 INFO L78 Accepts]: Start accepts. Automaton has 10149 states and 22503 transitions. Word has length 95 [2018-11-28 20:22:48,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:22:48,757 INFO L480 AbstractCegarLoop]: Abstraction has 10149 states and 22503 transitions. [2018-11-28 20:22:48,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 20:22:48,758 INFO L276 IsEmpty]: Start isEmpty. Operand 10149 states and 22503 transitions. [2018-11-28 20:22:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 20:22:48,769 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:22:48,769 INFO L402 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] [2018-11-28 20:22:48,770 INFO L423 AbstractCegarLoop]: === Iteration 37 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:22:48,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:22:48,770 INFO L82 PathProgramCache]: Analyzing trace with hash -631412894, now seen corresponding path program 2 times [2018-11-28 20:22:48,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:22:48,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:22:48,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:48,772 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 20:22:48,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:22:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 20:22:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 20:22:48,867 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 20:22:49,070 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-28 20:22:49,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:22:49 BasicIcfg [2018-11-28 20:22:49,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 20:22:49,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 20:22:49,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 20:22:49,076 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 20:22:49,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:21:57" (3/4) ... [2018-11-28 20:22:49,082 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 20:22:49,280 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 20:22:49,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 20:22:49,285 INFO L168 Benchmark]: Toolchain (without parser) took 53984.69 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 952.7 MB in the beginning and 920.8 MB in the end (delta: 31.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-28 20:22:49,286 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 20:22:49,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 877.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-11-28 20:22:49,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.51 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 20:22:49,286 INFO L168 Benchmark]: Boogie Preprocessor took 41.86 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. [2018-11-28 20:22:49,287 INFO L168 Benchmark]: RCFGBuilder took 1446.00 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: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2018-11-28 20:22:49,287 INFO L168 Benchmark]: TraceAbstraction took 51329.21 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 957.4 MB in the end (delta: 98.6 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-28 20:22:49,287 INFO L168 Benchmark]: Witness Printer took 208.96 ms. Allocated memory is still 2.9 GB. Free memory was 957.4 MB in the beginning and 920.8 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. [2018-11-28 20:22:49,296 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 877.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.51 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.86 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 1446.00 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: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 51329.21 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 957.4 MB in the end (delta: 98.6 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 208.96 ms. Allocated memory is still 2.9 GB. Free memory was 957.4 MB in the beginning and 920.8 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L671] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L673] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L675] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L676] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L677] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L679] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L680] -1 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L681] -1 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L682] -1 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L683] -1 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L684] -1 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L685] -1 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0] [L686] -1 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L687] -1 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L688] -1 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0] [L689] -1 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L690] -1 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L691] -1 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L692] -1 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L693] -1 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L695] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L696] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L697] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L773] -1 pthread_t t1707; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L774] FCALL, FORK -1 pthread_create(&t1707, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L701] 0 x$w_buff1 = x$w_buff0 [L702] 0 x$w_buff0 = 1 [L703] 0 x$w_buff1_used = x$w_buff0_used [L704] 0 x$w_buff0_used = (_Bool)1 [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L706] 0 x$r_buff1_thd0 = x$r_buff0_thd0 [L707] 0 x$r_buff1_thd1 = x$r_buff0_thd1 [L708] 0 x$r_buff1_thd2 = x$r_buff0_thd2 [L709] 0 x$r_buff0_thd1 = (_Bool)1 [L712] 0 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L715] EXPR 0 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L775] -1 pthread_t t1708; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L776] FCALL, FORK -1 pthread_create(&t1708, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L729] 1 y = 2 [L732] 1 __unbuffered_p1_EAX = y [L735] 1 weak$$choice0 = __VERIFIER_nondet_pointer() [L736] 1 weak$$choice2 = __VERIFIER_nondet_pointer() [L737] 1 x$flush_delayed = weak$$choice2 [L738] 1 x$mem_tmp = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L739] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) VAL [!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L739] 1 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L740] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0))=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L740] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L741] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L741] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L742] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used))=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L742] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L743] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L743] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L744] EXPR 1 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L744] 1 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L745] EXPR 1 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L745] 1 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L746] 1 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L747] EXPR 1 x$flush_delayed ? x$mem_tmp : x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=1, x$flush_delayed ? x$mem_tmp : x=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L715] 0 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L747] 1 x = x$flush_delayed ? x$mem_tmp : x [L748] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L716] EXPR 0 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L716] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L717] EXPR 0 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L717] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L718] EXPR 0 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L718] 0 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L719] EXPR 0 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L719] 0 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L722] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L751] EXPR 1 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x=0, y=2] [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x)=0, x$w_buff1=0, x$w_buff1_used=0, x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x=0, y=2] [L751] 1 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L752] EXPR 1 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L752] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L753] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L754] EXPR 1 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L754] 1 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L755] 1 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L778] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L782] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L782] EXPR -1 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L782] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L782] -1 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L783] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L783] -1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L784] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L784] -1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L785] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L785] -1 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L786] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L786] -1 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L789] -1 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L4] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L4] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 222 locations, 3 error locations. UNSAFE Result, 51.1s OverallTime, 37 OverallIterations, 1 TraceHistogramMax, 28.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9362 SDtfs, 11006 SDslu, 25476 SDs, 0 SdLazy, 12686 SolverSat, 574 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 446 GetRequests, 100 SyntacticMatches, 45 SemanticMatches, 301 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34806occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 8.8s AutomataMinimizationTime, 36 MinimizatonAttempts, 97565 StatesRemovedByMinimization, 35 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 2859 NumberOfCodeBlocks, 2859 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2728 ConstructedInterpolants, 0 QuantifiedInterpolants, 657149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...