./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix022_pso.opt_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix022_pso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f023635c87a3256e501da0baa2258f1eabc71ba ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-09 12:31:05,576 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:31:05,577 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:31:05,583 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:31:05,583 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:31:05,583 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:31:05,584 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:31:05,585 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:31:05,585 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:31:05,586 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:31:05,586 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:31:05,586 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:31:05,587 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:31:05,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:31:05,588 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:31:05,588 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:31:05,588 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:31:05,589 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:31:05,590 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:31:05,591 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:31:05,591 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:31:05,592 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:31:05,593 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:31:05,593 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:31:05,593 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:31:05,593 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:31:05,594 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:31:05,594 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:31:05,595 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:31:05,595 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:31:05,595 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:31:05,596 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:31:05,596 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:31:05,596 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:31:05,596 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:31:05,596 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:31:05,597 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 12:31:05,603 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:31:05,603 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:31:05,604 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:31:05,604 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:31:05,604 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:31:05,604 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:31:05,604 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:31:05,604 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 12:31:05,605 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:31:05,605 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:31:05,605 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 12:31:05,605 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 12:31:05,605 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:31:05,605 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:31:05,605 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:31:05,605 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:31:05,605 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:31:05,606 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:31:05,606 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:31:05,606 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:31:05,606 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:31:05,606 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:31:05,606 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:31:05,606 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:31:05,606 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:31:05,606 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:31:05,606 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:31:05,606 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:31:05,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:31:05,607 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:31:05,607 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:31:05,607 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:31:05,607 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 12:31:05,607 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:31:05,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:31:05,607 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 12:31:05,607 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan 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 -> Taipan 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 -> 7f023635c87a3256e501da0baa2258f1eabc71ba [2018-12-09 12:31:05,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:31:05,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:31:05,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:31:05,637 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:31:05,637 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:31:05,638 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/mix022_pso.opt_false-unreach-call.i [2018-12-09 12:31:05,682 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan/data/98ff9f0ce/d082b5d8a77745898b5c09fb7e1269a8/FLAGbeacc2cd2 [2018-12-09 12:31:06,113 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:31:06,113 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/sv-benchmarks/c/pthread-wmm/mix022_pso.opt_false-unreach-call.i [2018-12-09 12:31:06,121 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan/data/98ff9f0ce/d082b5d8a77745898b5c09fb7e1269a8/FLAGbeacc2cd2 [2018-12-09 12:31:06,129 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan/data/98ff9f0ce/d082b5d8a77745898b5c09fb7e1269a8 [2018-12-09 12:31:06,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:31:06,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:31:06,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:31:06,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:31:06,134 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:31:06,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:31:06" (1/1) ... [2018-12-09 12:31:06,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@628262cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:31:06, skipping insertion in model container [2018-12-09 12:31:06,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:31:06" (1/1) ... [2018-12-09 12:31:06,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:31:06,162 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:31:06,338 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:31:06,346 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:31:06,425 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:31:06,455 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:31:06,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:31:06 WrapperNode [2018-12-09 12:31:06,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:31:06,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:31:06,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:31:06,456 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:31:06,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:31:06" (1/1) ... [2018-12-09 12:31:06,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:31:06" (1/1) ... [2018-12-09 12:31:06,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:31:06,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:31:06,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:31:06,487 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:31:06,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:31:06" (1/1) ... [2018-12-09 12:31:06,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:31:06" (1/1) ... [2018-12-09 12:31:06,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:31:06" (1/1) ... [2018-12-09 12:31:06,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:31:06" (1/1) ... [2018-12-09 12:31:06,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:31:06" (1/1) ... [2018-12-09 12:31:06,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:31:06" (1/1) ... [2018-12-09 12:31:06,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:31:06" (1/1) ... [2018-12-09 12:31:06,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:31:06,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:31:06,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:31:06,510 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:31:06,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:31:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan/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 [2018-12-09 12:31:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:31:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 12:31:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-09 12:31:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 12:31:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-09 12:31:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-09 12:31:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-09 12:31:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-09 12:31:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-09 12:31:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:31:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:31:06,544 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 12:31:06,828 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:31:06,828 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 12:31:06,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:31:06 BoogieIcfgContainer [2018-12-09 12:31:06,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:31:06,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:31:06,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:31:06,832 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:31:06,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:31:06" (1/3) ... [2018-12-09 12:31:06,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144e595e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:31:06, skipping insertion in model container [2018-12-09 12:31:06,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:31:06" (2/3) ... [2018-12-09 12:31:06,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144e595e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:31:06, skipping insertion in model container [2018-12-09 12:31:06,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:31:06" (3/3) ... [2018-12-09 12:31:06,834 INFO L112 eAbstractionObserver]: Analyzing ICFG mix022_pso.opt_false-unreach-call.i [2018-12-09 12:31:06,862 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,862 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,862 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,862 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,862 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,862 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,862 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,862 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,863 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,863 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,863 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,863 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,863 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,863 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,864 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,865 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,866 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,867 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,867 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,867 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,867 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,867 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,868 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,868 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,868 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,868 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,868 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,868 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,868 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,869 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,869 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,869 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,869 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,869 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,869 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,869 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,870 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,870 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,870 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,870 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,870 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,870 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,871 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,871 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,871 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,871 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,871 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,872 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,872 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,872 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,872 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,872 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,872 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,873 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,874 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:31:06,886 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 12:31:06,886 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:31:06,892 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-09 12:31:06,901 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-09 12:31:06,918 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:31:06,918 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:31:06,918 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:31:06,918 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:31:06,919 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:31:06,919 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:31:06,919 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:31:06,919 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:31:06,927 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 142places, 180 transitions [2018-12-09 12:31:08,338 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34806 states. [2018-12-09 12:31:08,339 INFO L276 IsEmpty]: Start isEmpty. Operand 34806 states. [2018-12-09 12:31:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 12:31:08,344 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:08,344 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] [2018-12-09 12:31:08,346 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:08,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:08,350 INFO L82 PathProgramCache]: Analyzing trace with hash 2100747441, now seen corresponding path program 1 times [2018-12-09 12:31:08,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:08,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:08,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:08,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:08,387 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:08,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:08,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 12:31:08,502 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:08,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:31:08,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:31:08,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:31:08,515 INFO L87 Difference]: Start difference. First operand 34806 states. Second operand 4 states. [2018-12-09 12:31:08,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:08,967 INFO L93 Difference]: Finished difference Result 60790 states and 234493 transitions. [2018-12-09 12:31:08,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 12:31:08,968 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-12-09 12:31:08,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:09,117 INFO L225 Difference]: With dead ends: 60790 [2018-12-09 12:31:09,117 INFO L226 Difference]: Without dead ends: 44270 [2018-12-09 12:31:09,118 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 [2018-12-09 12:31:09,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44270 states. [2018-12-09 12:31:09,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44270 to 27338. [2018-12-09 12:31:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27338 states. [2018-12-09 12:31:09,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27338 states to 27338 states and 105499 transitions. [2018-12-09 12:31:09,845 INFO L78 Accepts]: Start accepts. Automaton has 27338 states and 105499 transitions. Word has length 33 [2018-12-09 12:31:09,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:09,846 INFO L480 AbstractCegarLoop]: Abstraction has 27338 states and 105499 transitions. [2018-12-09 12:31:09,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:31:09,846 INFO L276 IsEmpty]: Start isEmpty. Operand 27338 states and 105499 transitions. [2018-12-09 12:31:09,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 12:31:09,850 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:09,850 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] [2018-12-09 12:31:09,851 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:09,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:09,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1664977985, now seen corresponding path program 1 times [2018-12-09 12:31:09,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:09,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:09,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:09,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:09,854 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:09,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:09,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 12:31:09,903 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:09,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:31:09,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:31:09,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:31:09,905 INFO L87 Difference]: Start difference. First operand 27338 states and 105499 transitions. Second operand 4 states. [2018-12-09 12:31:09,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:09,968 INFO L93 Difference]: Finished difference Result 8528 states and 28344 transitions. [2018-12-09 12:31:09,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 12:31:09,968 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-12-09 12:31:09,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:09,983 INFO L225 Difference]: With dead ends: 8528 [2018-12-09 12:31:09,983 INFO L226 Difference]: Without dead ends: 7466 [2018-12-09 12:31:09,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:31:09,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7466 states. [2018-12-09 12:31:10,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7466 to 7466. [2018-12-09 12:31:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7466 states. [2018-12-09 12:31:10,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 24636 transitions. [2018-12-09 12:31:10,067 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 24636 transitions. Word has length 45 [2018-12-09 12:31:10,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:10,068 INFO L480 AbstractCegarLoop]: Abstraction has 7466 states and 24636 transitions. [2018-12-09 12:31:10,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:31:10,068 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 24636 transitions. [2018-12-09 12:31:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 12:31:10,069 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:10,069 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] [2018-12-09 12:31:10,069 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:10,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:10,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1909915460, now seen corresponding path program 1 times [2018-12-09 12:31:10,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:10,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:10,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:10,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:10,073 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:10,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:10,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 12:31:10,121 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:10,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:31:10,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:31:10,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:31:10,121 INFO L87 Difference]: Start difference. First operand 7466 states and 24636 transitions. Second operand 5 states. [2018-12-09 12:31:10,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:10,349 INFO L93 Difference]: Finished difference Result 13998 states and 45805 transitions. [2018-12-09 12:31:10,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:31:10,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2018-12-09 12:31:10,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:10,371 INFO L225 Difference]: With dead ends: 13998 [2018-12-09 12:31:10,371 INFO L226 Difference]: Without dead ends: 13930 [2018-12-09 12:31:10,371 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:31:10,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13930 states. [2018-12-09 12:31:10,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13930 to 9441. [2018-12-09 12:31:10,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9441 states. [2018-12-09 12:31:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9441 states to 9441 states and 30542 transitions. [2018-12-09 12:31:10,540 INFO L78 Accepts]: Start accepts. Automaton has 9441 states and 30542 transitions. Word has length 46 [2018-12-09 12:31:10,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:10,541 INFO L480 AbstractCegarLoop]: Abstraction has 9441 states and 30542 transitions. [2018-12-09 12:31:10,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:31:10,541 INFO L276 IsEmpty]: Start isEmpty. Operand 9441 states and 30542 transitions. [2018-12-09 12:31:10,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 12:31:10,542 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:10,542 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] [2018-12-09 12:31:10,542 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:10,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:10,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1845061814, now seen corresponding path program 1 times [2018-12-09 12:31:10,543 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:10,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:10,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:10,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:10,545 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:10,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:10,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:10,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:31:10,578 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:10,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:31:10,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:31:10,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:31:10,579 INFO L87 Difference]: Start difference. First operand 9441 states and 30542 transitions. Second operand 3 states. [2018-12-09 12:31:10,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:10,630 INFO L93 Difference]: Finished difference Result 13279 states and 42641 transitions. [2018-12-09 12:31:10,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:31:10,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-12-09 12:31:10,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:10,646 INFO L225 Difference]: With dead ends: 13279 [2018-12-09 12:31:10,646 INFO L226 Difference]: Without dead ends: 13279 [2018-12-09 12:31:10,646 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 [2018-12-09 12:31:10,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13279 states. [2018-12-09 12:31:10,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13279 to 9845. [2018-12-09 12:31:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9845 states. [2018-12-09 12:31:10,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9845 states to 9845 states and 31508 transitions. [2018-12-09 12:31:10,777 INFO L78 Accepts]: Start accepts. Automaton has 9845 states and 31508 transitions. Word has length 48 [2018-12-09 12:31:10,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:10,777 INFO L480 AbstractCegarLoop]: Abstraction has 9845 states and 31508 transitions. [2018-12-09 12:31:10,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:31:10,778 INFO L276 IsEmpty]: Start isEmpty. Operand 9845 states and 31508 transitions. [2018-12-09 12:31:10,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 12:31:10,779 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:10,779 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] [2018-12-09 12:31:10,779 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:10,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:10,779 INFO L82 PathProgramCache]: Analyzing trace with hash 484350805, now seen corresponding path program 1 times [2018-12-09 12:31:10,779 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:10,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:10,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:10,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:10,781 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:10,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:10,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:31:10,851 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:10,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:31:10,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:31:10,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:31:10,852 INFO L87 Difference]: Start difference. First operand 9845 states and 31508 transitions. Second operand 7 states. [2018-12-09 12:31:11,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:11,216 INFO L93 Difference]: Finished difference Result 12285 states and 38673 transitions. [2018-12-09 12:31:11,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 12:31:11,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 12:31:11,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:11,230 INFO L225 Difference]: With dead ends: 12285 [2018-12-09 12:31:11,230 INFO L226 Difference]: Without dead ends: 12213 [2018-12-09 12:31:11,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-12-09 12:31:11,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12213 states. [2018-12-09 12:31:11,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12213 to 10849. [2018-12-09 12:31:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10849 states. [2018-12-09 12:31:11,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10849 states to 10849 states and 34563 transitions. [2018-12-09 12:31:11,396 INFO L78 Accepts]: Start accepts. Automaton has 10849 states and 34563 transitions. Word has length 52 [2018-12-09 12:31:11,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:11,396 INFO L480 AbstractCegarLoop]: Abstraction has 10849 states and 34563 transitions. [2018-12-09 12:31:11,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:31:11,396 INFO L276 IsEmpty]: Start isEmpty. Operand 10849 states and 34563 transitions. [2018-12-09 12:31:11,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 12:31:11,399 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:11,399 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] [2018-12-09 12:31:11,399 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:11,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:11,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1383304625, now seen corresponding path program 1 times [2018-12-09 12:31:11,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:11,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:11,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:11,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:11,401 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:11,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:11,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:11,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 12:31:11,447 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:11,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:31:11,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:31:11,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:31:11,448 INFO L87 Difference]: Start difference. First operand 10849 states and 34563 transitions. Second operand 4 states. [2018-12-09 12:31:11,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:11,526 INFO L93 Difference]: Finished difference Result 12396 states and 39572 transitions. [2018-12-09 12:31:11,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 12:31:11,527 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-12-09 12:31:11,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:11,541 INFO L225 Difference]: With dead ends: 12396 [2018-12-09 12:31:11,541 INFO L226 Difference]: Without dead ends: 12396 [2018-12-09 12:31:11,541 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 [2018-12-09 12:31:11,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12396 states. [2018-12-09 12:31:11,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12396 to 11369. [2018-12-09 12:31:11,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11369 states. [2018-12-09 12:31:11,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11369 states to 11369 states and 36236 transitions. [2018-12-09 12:31:11,667 INFO L78 Accepts]: Start accepts. Automaton has 11369 states and 36236 transitions. Word has length 60 [2018-12-09 12:31:11,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:11,667 INFO L480 AbstractCegarLoop]: Abstraction has 11369 states and 36236 transitions. [2018-12-09 12:31:11,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:31:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand 11369 states and 36236 transitions. [2018-12-09 12:31:11,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 12:31:11,670 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:11,670 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] [2018-12-09 12:31:11,671 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:11,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:11,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1168852336, now seen corresponding path program 1 times [2018-12-09 12:31:11,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:11,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:11,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:11,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:11,672 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:11,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:11,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:31:11,738 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:11,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:31:11,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:31:11,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:31:11,738 INFO L87 Difference]: Start difference. First operand 11369 states and 36236 transitions. Second operand 6 states. [2018-12-09 12:31:11,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:11,993 INFO L93 Difference]: Finished difference Result 20969 states and 66486 transitions. [2018-12-09 12:31:11,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 12:31:11,994 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-09 12:31:11,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:12,017 INFO L225 Difference]: With dead ends: 20969 [2018-12-09 12:31:12,017 INFO L226 Difference]: Without dead ends: 20898 [2018-12-09 12:31:12,017 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-09 12:31:12,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20898 states. [2018-12-09 12:31:12,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20898 to 13755. [2018-12-09 12:31:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13755 states. [2018-12-09 12:31:12,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13755 states to 13755 states and 43280 transitions. [2018-12-09 12:31:12,210 INFO L78 Accepts]: Start accepts. Automaton has 13755 states and 43280 transitions. Word has length 60 [2018-12-09 12:31:12,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:12,211 INFO L480 AbstractCegarLoop]: Abstraction has 13755 states and 43280 transitions. [2018-12-09 12:31:12,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:31:12,211 INFO L276 IsEmpty]: Start isEmpty. Operand 13755 states and 43280 transitions. [2018-12-09 12:31:12,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 12:31:12,215 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:12,215 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] [2018-12-09 12:31:12,215 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:12,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:12,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1208126989, now seen corresponding path program 1 times [2018-12-09 12:31:12,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:12,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:12,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:12,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:12,217 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:12,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:12,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:12,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 12:31:12,271 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:12,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:31:12,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:31:12,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:31:12,272 INFO L87 Difference]: Start difference. First operand 13755 states and 43280 transitions. Second operand 4 states. [2018-12-09 12:31:12,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:12,551 INFO L93 Difference]: Finished difference Result 23352 states and 74493 transitions. [2018-12-09 12:31:12,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 12:31:12,551 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-12-09 12:31:12,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:12,582 INFO L225 Difference]: With dead ends: 23352 [2018-12-09 12:31:12,582 INFO L226 Difference]: Without dead ends: 23352 [2018-12-09 12:31:12,583 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 [2018-12-09 12:31:12,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23352 states. [2018-12-09 12:31:12,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23352 to 14523. [2018-12-09 12:31:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14523 states. [2018-12-09 12:31:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14523 states to 14523 states and 45664 transitions. [2018-12-09 12:31:12,844 INFO L78 Accepts]: Start accepts. Automaton has 14523 states and 45664 transitions. Word has length 64 [2018-12-09 12:31:12,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:12,845 INFO L480 AbstractCegarLoop]: Abstraction has 14523 states and 45664 transitions. [2018-12-09 12:31:12,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:31:12,845 INFO L276 IsEmpty]: Start isEmpty. Operand 14523 states and 45664 transitions. [2018-12-09 12:31:12,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 12:31:12,848 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:12,848 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] [2018-12-09 12:31:12,849 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:12,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:12,849 INFO L82 PathProgramCache]: Analyzing trace with hash -914723982, now seen corresponding path program 1 times [2018-12-09 12:31:12,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:12,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:12,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:12,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:12,851 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:12,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:12,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 12:31:12,886 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:12,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:31:12,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:31:12,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:31:12,887 INFO L87 Difference]: Start difference. First operand 14523 states and 45664 transitions. Second operand 4 states. [2018-12-09 12:31:13,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:13,063 INFO L93 Difference]: Finished difference Result 18411 states and 56991 transitions. [2018-12-09 12:31:13,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 12:31:13,064 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-12-09 12:31:13,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:13,084 INFO L225 Difference]: With dead ends: 18411 [2018-12-09 12:31:13,084 INFO L226 Difference]: Without dead ends: 18411 [2018-12-09 12:31:13,084 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:31:13,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18411 states. [2018-12-09 12:31:13,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18411 to 16569. [2018-12-09 12:31:13,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16569 states. [2018-12-09 12:31:13,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16569 states to 16569 states and 51537 transitions. [2018-12-09 12:31:13,268 INFO L78 Accepts]: Start accepts. Automaton has 16569 states and 51537 transitions. Word has length 64 [2018-12-09 12:31:13,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:13,269 INFO L480 AbstractCegarLoop]: Abstraction has 16569 states and 51537 transitions. [2018-12-09 12:31:13,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:31:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand 16569 states and 51537 transitions. [2018-12-09 12:31:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 12:31:13,274 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:13,274 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] [2018-12-09 12:31:13,274 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:13,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:13,274 INFO L82 PathProgramCache]: Analyzing trace with hash 126242611, now seen corresponding path program 1 times [2018-12-09 12:31:13,275 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:13,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:13,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:13,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:13,276 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:13,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:13,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:31:13,316 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:13,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:31:13,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:31:13,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:31:13,317 INFO L87 Difference]: Start difference. First operand 16569 states and 51537 transitions. Second operand 3 states. [2018-12-09 12:31:13,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:13,462 INFO L93 Difference]: Finished difference Result 17193 states and 53232 transitions. [2018-12-09 12:31:13,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:31:13,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-09 12:31:13,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:13,480 INFO L225 Difference]: With dead ends: 17193 [2018-12-09 12:31:13,481 INFO L226 Difference]: Without dead ends: 17193 [2018-12-09 12:31:13,481 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 [2018-12-09 12:31:13,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17193 states. [2018-12-09 12:31:13,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17193 to 16901. [2018-12-09 12:31:13,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16901 states. [2018-12-09 12:31:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16901 states to 16901 states and 52431 transitions. [2018-12-09 12:31:13,655 INFO L78 Accepts]: Start accepts. Automaton has 16901 states and 52431 transitions. Word has length 64 [2018-12-09 12:31:13,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:13,656 INFO L480 AbstractCegarLoop]: Abstraction has 16901 states and 52431 transitions. [2018-12-09 12:31:13,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:31:13,656 INFO L276 IsEmpty]: Start isEmpty. Operand 16901 states and 52431 transitions. [2018-12-09 12:31:13,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 12:31:13,662 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:13,662 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] [2018-12-09 12:31:13,662 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:13,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:13,662 INFO L82 PathProgramCache]: Analyzing trace with hash -859455011, now seen corresponding path program 1 times [2018-12-09 12:31:13,662 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:13,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:13,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:13,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:13,663 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:13,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:13,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:31:13,719 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:13,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:31:13,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:31:13,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:31:13,720 INFO L87 Difference]: Start difference. First operand 16901 states and 52431 transitions. Second operand 6 states. [2018-12-09 12:31:14,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:14,400 INFO L93 Difference]: Finished difference Result 20789 states and 63395 transitions. [2018-12-09 12:31:14,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:31:14,401 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-09 12:31:14,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:14,431 INFO L225 Difference]: With dead ends: 20789 [2018-12-09 12:31:14,431 INFO L226 Difference]: Without dead ends: 20789 [2018-12-09 12:31:14,432 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:31:14,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20789 states. [2018-12-09 12:31:14,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20789 to 19521. [2018-12-09 12:31:14,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19521 states. [2018-12-09 12:31:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19521 states to 19521 states and 60007 transitions. [2018-12-09 12:31:14,659 INFO L78 Accepts]: Start accepts. Automaton has 19521 states and 60007 transitions. Word has length 66 [2018-12-09 12:31:14,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:14,659 INFO L480 AbstractCegarLoop]: Abstraction has 19521 states and 60007 transitions. [2018-12-09 12:31:14,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:31:14,660 INFO L276 IsEmpty]: Start isEmpty. Operand 19521 states and 60007 transitions. [2018-12-09 12:31:14,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 12:31:14,667 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:14,667 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] [2018-12-09 12:31:14,667 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:14,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:14,667 INFO L82 PathProgramCache]: Analyzing trace with hash 102159006, now seen corresponding path program 1 times [2018-12-09 12:31:14,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:14,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:14,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:14,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:14,669 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:14,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:14,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:31:14,728 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:14,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:31:14,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:31:14,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:31:14,729 INFO L87 Difference]: Start difference. First operand 19521 states and 60007 transitions. Second operand 6 states. [2018-12-09 12:31:15,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:15,005 INFO L93 Difference]: Finished difference Result 22441 states and 66578 transitions. [2018-12-09 12:31:15,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 12:31:15,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-09 12:31:15,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:15,028 INFO L225 Difference]: With dead ends: 22441 [2018-12-09 12:31:15,028 INFO L226 Difference]: Without dead ends: 22441 [2018-12-09 12:31:15,028 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:31:15,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22441 states. [2018-12-09 12:31:15,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22441 to 20085. [2018-12-09 12:31:15,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20085 states. [2018-12-09 12:31:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20085 states to 20085 states and 60622 transitions. [2018-12-09 12:31:15,244 INFO L78 Accepts]: Start accepts. Automaton has 20085 states and 60622 transitions. Word has length 66 [2018-12-09 12:31:15,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:15,245 INFO L480 AbstractCegarLoop]: Abstraction has 20085 states and 60622 transitions. [2018-12-09 12:31:15,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:31:15,245 INFO L276 IsEmpty]: Start isEmpty. Operand 20085 states and 60622 transitions. [2018-12-09 12:31:15,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 12:31:15,252 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:15,252 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] [2018-12-09 12:31:15,252 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:15,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:15,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1346923487, now seen corresponding path program 1 times [2018-12-09 12:31:15,252 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:15,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:15,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:15,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:15,253 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:15,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:15,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:15,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 12:31:15,303 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:15,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:31:15,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:31:15,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:31:15,304 INFO L87 Difference]: Start difference. First operand 20085 states and 60622 transitions. Second operand 5 states. [2018-12-09 12:31:15,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:15,532 INFO L93 Difference]: Finished difference Result 26432 states and 79262 transitions. [2018-12-09 12:31:15,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:31:15,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-09 12:31:15,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:15,562 INFO L225 Difference]: With dead ends: 26432 [2018-12-09 12:31:15,563 INFO L226 Difference]: Without dead ends: 26432 [2018-12-09 12:31:15,563 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:31:15,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26432 states. [2018-12-09 12:31:15,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26432 to 23813. [2018-12-09 12:31:15,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23813 states. [2018-12-09 12:31:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23813 states to 23813 states and 71372 transitions. [2018-12-09 12:31:15,829 INFO L78 Accepts]: Start accepts. Automaton has 23813 states and 71372 transitions. Word has length 66 [2018-12-09 12:31:15,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:15,830 INFO L480 AbstractCegarLoop]: Abstraction has 23813 states and 71372 transitions. [2018-12-09 12:31:15,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:31:15,830 INFO L276 IsEmpty]: Start isEmpty. Operand 23813 states and 71372 transitions. [2018-12-09 12:31:15,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 12:31:15,840 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:15,840 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] [2018-12-09 12:31:15,840 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:15,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:15,840 INFO L82 PathProgramCache]: Analyzing trace with hash 836389310, now seen corresponding path program 1 times [2018-12-09 12:31:15,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:15,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:15,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:15,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:15,842 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:15,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:15,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:15,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 12:31:15,896 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:15,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:31:15,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:31:15,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:31:15,896 INFO L87 Difference]: Start difference. First operand 23813 states and 71372 transitions. Second operand 5 states. [2018-12-09 12:31:16,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:16,233 INFO L93 Difference]: Finished difference Result 33063 states and 98211 transitions. [2018-12-09 12:31:16,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:31:16,234 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-09 12:31:16,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:16,268 INFO L225 Difference]: With dead ends: 33063 [2018-12-09 12:31:16,268 INFO L226 Difference]: Without dead ends: 33063 [2018-12-09 12:31:16,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:31:16,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33063 states. [2018-12-09 12:31:16,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33063 to 29343. [2018-12-09 12:31:16,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29343 states. [2018-12-09 12:31:16,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29343 states to 29343 states and 87599 transitions. [2018-12-09 12:31:16,598 INFO L78 Accepts]: Start accepts. Automaton has 29343 states and 87599 transitions. Word has length 66 [2018-12-09 12:31:16,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:16,599 INFO L480 AbstractCegarLoop]: Abstraction has 29343 states and 87599 transitions. [2018-12-09 12:31:16,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:31:16,599 INFO L276 IsEmpty]: Start isEmpty. Operand 29343 states and 87599 transitions. [2018-12-09 12:31:16,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 12:31:16,607 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:16,607 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:31:16,607 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:16,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:16,608 INFO L82 PathProgramCache]: Analyzing trace with hash -971065153, now seen corresponding path program 1 times [2018-12-09 12:31:16,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:16,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:16,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:16,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:16,609 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:16,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:16,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:16,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 12:31:16,647 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:16,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:31:16,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:31:16,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:31:16,648 INFO L87 Difference]: Start difference. First operand 29343 states and 87599 transitions. Second operand 4 states. [2018-12-09 12:31:16,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:16,997 INFO L93 Difference]: Finished difference Result 38903 states and 116585 transitions. [2018-12-09 12:31:16,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 12:31:16,997 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-12-09 12:31:16,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:17,039 INFO L225 Difference]: With dead ends: 38903 [2018-12-09 12:31:17,039 INFO L226 Difference]: Without dead ends: 38671 [2018-12-09 12:31:17,040 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:31:17,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38671 states. [2018-12-09 12:31:17,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38671 to 35807. [2018-12-09 12:31:17,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35807 states. [2018-12-09 12:31:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35807 states to 35807 states and 107399 transitions. [2018-12-09 12:31:17,440 INFO L78 Accepts]: Start accepts. Automaton has 35807 states and 107399 transitions. Word has length 66 [2018-12-09 12:31:17,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:17,440 INFO L480 AbstractCegarLoop]: Abstraction has 35807 states and 107399 transitions. [2018-12-09 12:31:17,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:31:17,440 INFO L276 IsEmpty]: Start isEmpty. Operand 35807 states and 107399 transitions. [2018-12-09 12:31:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 12:31:17,450 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:17,450 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] [2018-12-09 12:31:17,450 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:17,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:17,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1526950784, now seen corresponding path program 1 times [2018-12-09 12:31:17,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:17,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:17,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:17,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:17,452 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:17,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:17,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 12:31:17,522 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:17,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 12:31:17,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 12:31:17,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:31:17,522 INFO L87 Difference]: Start difference. First operand 35807 states and 107399 transitions. Second operand 9 states. [2018-12-09 12:31:18,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:18,151 INFO L93 Difference]: Finished difference Result 44023 states and 131291 transitions. [2018-12-09 12:31:18,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 12:31:18,151 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2018-12-09 12:31:18,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:18,200 INFO L225 Difference]: With dead ends: 44023 [2018-12-09 12:31:18,200 INFO L226 Difference]: Without dead ends: 44023 [2018-12-09 12:31:18,201 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-12-09 12:31:18,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44023 states. [2018-12-09 12:31:18,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44023 to 38973. [2018-12-09 12:31:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38973 states. [2018-12-09 12:31:18,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38973 states to 38973 states and 116711 transitions. [2018-12-09 12:31:18,645 INFO L78 Accepts]: Start accepts. Automaton has 38973 states and 116711 transitions. Word has length 66 [2018-12-09 12:31:18,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:18,645 INFO L480 AbstractCegarLoop]: Abstraction has 38973 states and 116711 transitions. [2018-12-09 12:31:18,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 12:31:18,645 INFO L276 IsEmpty]: Start isEmpty. Operand 38973 states and 116711 transitions. [2018-12-09 12:31:18,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 12:31:18,654 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:18,654 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] [2018-12-09 12:31:18,654 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:18,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:18,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1880512831, now seen corresponding path program 1 times [2018-12-09 12:31:18,654 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:18,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:18,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:18,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:18,655 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:18,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:18,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 12:31:18,701 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:18,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:31:18,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:31:18,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:31:18,701 INFO L87 Difference]: Start difference. First operand 38973 states and 116711 transitions. Second operand 5 states. [2018-12-09 12:31:18,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:18,735 INFO L93 Difference]: Finished difference Result 9637 states and 23357 transitions. [2018-12-09 12:31:18,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:31:18,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-09 12:31:18,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:18,741 INFO L225 Difference]: With dead ends: 9637 [2018-12-09 12:31:18,741 INFO L226 Difference]: Without dead ends: 7669 [2018-12-09 12:31:18,742 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:31:18,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7669 states. [2018-12-09 12:31:18,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7669 to 6276. [2018-12-09 12:31:18,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6276 states. [2018-12-09 12:31:18,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6276 states to 6276 states and 14833 transitions. [2018-12-09 12:31:18,796 INFO L78 Accepts]: Start accepts. Automaton has 6276 states and 14833 transitions. Word has length 66 [2018-12-09 12:31:18,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:18,796 INFO L480 AbstractCegarLoop]: Abstraction has 6276 states and 14833 transitions. [2018-12-09 12:31:18,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:31:18,796 INFO L276 IsEmpty]: Start isEmpty. Operand 6276 states and 14833 transitions. [2018-12-09 12:31:18,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 12:31:18,799 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:18,799 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] [2018-12-09 12:31:18,799 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:18,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:18,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1184013087, now seen corresponding path program 1 times [2018-12-09 12:31:18,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:18,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:18,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:18,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:18,801 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:18,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:18,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:31:18,814 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:18,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:31:18,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:31:18,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:31:18,814 INFO L87 Difference]: Start difference. First operand 6276 states and 14833 transitions. Second operand 3 states. [2018-12-09 12:31:18,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:18,840 INFO L93 Difference]: Finished difference Result 8733 states and 20570 transitions. [2018-12-09 12:31:18,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:31:18,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-12-09 12:31:18,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:18,845 INFO L225 Difference]: With dead ends: 8733 [2018-12-09 12:31:18,845 INFO L226 Difference]: Without dead ends: 8733 [2018-12-09 12:31:18,846 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 [2018-12-09 12:31:18,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8733 states. [2018-12-09 12:31:18,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8733 to 6213. [2018-12-09 12:31:18,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6213 states. [2018-12-09 12:31:18,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6213 states to 6213 states and 14371 transitions. [2018-12-09 12:31:18,898 INFO L78 Accepts]: Start accepts. Automaton has 6213 states and 14371 transitions. Word has length 66 [2018-12-09 12:31:18,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:18,898 INFO L480 AbstractCegarLoop]: Abstraction has 6213 states and 14371 transitions. [2018-12-09 12:31:18,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:31:18,898 INFO L276 IsEmpty]: Start isEmpty. Operand 6213 states and 14371 transitions. [2018-12-09 12:31:18,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 12:31:18,901 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:18,902 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] [2018-12-09 12:31:18,902 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:18,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:18,902 INFO L82 PathProgramCache]: Analyzing trace with hash 280585492, now seen corresponding path program 1 times [2018-12-09 12:31:18,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:18,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:18,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:18,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:18,903 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:18,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:18,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:18,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 12:31:18,939 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:18,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:31:18,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:31:18,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:31:18,940 INFO L87 Difference]: Start difference. First operand 6213 states and 14371 transitions. Second operand 5 states. [2018-12-09 12:31:19,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:19,045 INFO L93 Difference]: Finished difference Result 7383 states and 17012 transitions. [2018-12-09 12:31:19,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 12:31:19,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-12-09 12:31:19,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:19,050 INFO L225 Difference]: With dead ends: 7383 [2018-12-09 12:31:19,050 INFO L226 Difference]: Without dead ends: 7383 [2018-12-09 12:31:19,051 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:31:19,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2018-12-09 12:31:19,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 6657. [2018-12-09 12:31:19,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6657 states. [2018-12-09 12:31:19,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6657 states to 6657 states and 15375 transitions. [2018-12-09 12:31:19,101 INFO L78 Accepts]: Start accepts. Automaton has 6657 states and 15375 transitions. Word has length 72 [2018-12-09 12:31:19,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:19,101 INFO L480 AbstractCegarLoop]: Abstraction has 6657 states and 15375 transitions. [2018-12-09 12:31:19,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:31:19,102 INFO L276 IsEmpty]: Start isEmpty. Operand 6657 states and 15375 transitions. [2018-12-09 12:31:19,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 12:31:19,105 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:19,105 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] [2018-12-09 12:31:19,106 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:19,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:19,106 INFO L82 PathProgramCache]: Analyzing trace with hash 2023395827, now seen corresponding path program 1 times [2018-12-09 12:31:19,106 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:19,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:19,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:19,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:19,107 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:19,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:19,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:19,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 12:31:19,210 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:19,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 12:31:19,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 12:31:19,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:31:19,211 INFO L87 Difference]: Start difference. First operand 6657 states and 15375 transitions. Second operand 9 states. [2018-12-09 12:31:19,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:19,509 INFO L93 Difference]: Finished difference Result 8851 states and 20272 transitions. [2018-12-09 12:31:19,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 12:31:19,509 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2018-12-09 12:31:19,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:19,514 INFO L225 Difference]: With dead ends: 8851 [2018-12-09 12:31:19,515 INFO L226 Difference]: Without dead ends: 8732 [2018-12-09 12:31:19,515 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-12-09 12:31:19,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8732 states. [2018-12-09 12:31:19,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8732 to 6746. [2018-12-09 12:31:19,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6746 states. [2018-12-09 12:31:19,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6746 states to 6746 states and 15444 transitions. [2018-12-09 12:31:19,569 INFO L78 Accepts]: Start accepts. Automaton has 6746 states and 15444 transitions. Word has length 72 [2018-12-09 12:31:19,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:19,569 INFO L480 AbstractCegarLoop]: Abstraction has 6746 states and 15444 transitions. [2018-12-09 12:31:19,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 12:31:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 6746 states and 15444 transitions. [2018-12-09 12:31:19,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 12:31:19,573 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:19,573 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] [2018-12-09 12:31:19,573 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:19,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:19,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1917824602, now seen corresponding path program 1 times [2018-12-09 12:31:19,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:19,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:19,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:19,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:19,574 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:19,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:19,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:31:19,595 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:19,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:31:19,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:31:19,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:31:19,596 INFO L87 Difference]: Start difference. First operand 6746 states and 15444 transitions. Second operand 3 states. [2018-12-09 12:31:19,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:19,690 INFO L93 Difference]: Finished difference Result 8422 states and 18970 transitions. [2018-12-09 12:31:19,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:31:19,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2018-12-09 12:31:19,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:19,697 INFO L225 Difference]: With dead ends: 8422 [2018-12-09 12:31:19,697 INFO L226 Difference]: Without dead ends: 8422 [2018-12-09 12:31:19,698 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 [2018-12-09 12:31:19,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8422 states. [2018-12-09 12:31:19,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8422 to 7857. [2018-12-09 12:31:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7857 states. [2018-12-09 12:31:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7857 states to 7857 states and 17760 transitions. [2018-12-09 12:31:19,765 INFO L78 Accepts]: Start accepts. Automaton has 7857 states and 17760 transitions. Word has length 91 [2018-12-09 12:31:19,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:19,766 INFO L480 AbstractCegarLoop]: Abstraction has 7857 states and 17760 transitions. [2018-12-09 12:31:19,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:31:19,766 INFO L276 IsEmpty]: Start isEmpty. Operand 7857 states and 17760 transitions. [2018-12-09 12:31:19,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 12:31:19,771 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:19,771 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] [2018-12-09 12:31:19,771 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:19,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:19,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1154554199, now seen corresponding path program 1 times [2018-12-09 12:31:19,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:19,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:19,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:19,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:19,773 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:19,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:19,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 12:31:19,813 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:19,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:31:19,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:31:19,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:31:19,814 INFO L87 Difference]: Start difference. First operand 7857 states and 17760 transitions. Second operand 4 states. [2018-12-09 12:31:19,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:19,889 INFO L93 Difference]: Finished difference Result 8431 states and 19074 transitions. [2018-12-09 12:31:19,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 12:31:19,889 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-12-09 12:31:19,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:19,895 INFO L225 Difference]: With dead ends: 8431 [2018-12-09 12:31:19,895 INFO L226 Difference]: Without dead ends: 8431 [2018-12-09 12:31:19,895 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:31:19,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8431 states. [2018-12-09 12:31:19,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8431 to 7772. [2018-12-09 12:31:19,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7772 states. [2018-12-09 12:31:19,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7772 states to 7772 states and 17676 transitions. [2018-12-09 12:31:19,959 INFO L78 Accepts]: Start accepts. Automaton has 7772 states and 17676 transitions. Word has length 91 [2018-12-09 12:31:19,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:19,960 INFO L480 AbstractCegarLoop]: Abstraction has 7772 states and 17676 transitions. [2018-12-09 12:31:19,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:31:19,960 INFO L276 IsEmpty]: Start isEmpty. Operand 7772 states and 17676 transitions. [2018-12-09 12:31:19,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 12:31:19,965 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:19,965 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] [2018-12-09 12:31:19,965 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:19,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:19,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1775857056, now seen corresponding path program 1 times [2018-12-09 12:31:19,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:19,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:19,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:19,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:19,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:20,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:20,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:20,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 12:31:20,005 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:20,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:31:20,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:31:20,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:31:20,006 INFO L87 Difference]: Start difference. First operand 7772 states and 17676 transitions. Second operand 5 states. [2018-12-09 12:31:20,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:20,074 INFO L93 Difference]: Finished difference Result 8948 states and 20243 transitions. [2018-12-09 12:31:20,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:31:20,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-12-09 12:31:20,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:20,080 INFO L225 Difference]: With dead ends: 8948 [2018-12-09 12:31:20,081 INFO L226 Difference]: Without dead ends: 8948 [2018-12-09 12:31:20,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:31:20,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8948 states. [2018-12-09 12:31:20,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8948 to 6902. [2018-12-09 12:31:20,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6902 states. [2018-12-09 12:31:20,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6902 states to 6902 states and 15741 transitions. [2018-12-09 12:31:20,167 INFO L78 Accepts]: Start accepts. Automaton has 6902 states and 15741 transitions. Word has length 93 [2018-12-09 12:31:20,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:20,167 INFO L480 AbstractCegarLoop]: Abstraction has 6902 states and 15741 transitions. [2018-12-09 12:31:20,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:31:20,168 INFO L276 IsEmpty]: Start isEmpty. Operand 6902 states and 15741 transitions. [2018-12-09 12:31:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 12:31:20,172 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:20,173 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] [2018-12-09 12:31:20,173 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:20,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:20,173 INFO L82 PathProgramCache]: Analyzing trace with hash -2030593601, now seen corresponding path program 1 times [2018-12-09 12:31:20,173 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:20,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:20,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:20,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:20,175 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:20,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:20,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:20,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 12:31:20,212 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:20,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:31:20,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:31:20,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:31:20,213 INFO L87 Difference]: Start difference. First operand 6902 states and 15741 transitions. Second operand 5 states. [2018-12-09 12:31:20,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:20,450 INFO L93 Difference]: Finished difference Result 11458 states and 26340 transitions. [2018-12-09 12:31:20,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 12:31:20,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-12-09 12:31:20,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:20,458 INFO L225 Difference]: With dead ends: 11458 [2018-12-09 12:31:20,458 INFO L226 Difference]: Without dead ends: 11380 [2018-12-09 12:31:20,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:31:20,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11380 states. [2018-12-09 12:31:20,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11380 to 8056. [2018-12-09 12:31:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8056 states. [2018-12-09 12:31:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8056 states to 8056 states and 18403 transitions. [2018-12-09 12:31:20,527 INFO L78 Accepts]: Start accepts. Automaton has 8056 states and 18403 transitions. Word has length 93 [2018-12-09 12:31:20,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:20,527 INFO L480 AbstractCegarLoop]: Abstraction has 8056 states and 18403 transitions. [2018-12-09 12:31:20,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:31:20,528 INFO L276 IsEmpty]: Start isEmpty. Operand 8056 states and 18403 transitions. [2018-12-09 12:31:20,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 12:31:20,533 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:20,533 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] [2018-12-09 12:31:20,533 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:20,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:20,533 INFO L82 PathProgramCache]: Analyzing trace with hash -785829120, now seen corresponding path program 1 times [2018-12-09 12:31:20,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:20,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:20,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:20,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:20,534 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:20,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:20,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:31:20,575 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:20,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:31:20,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:31:20,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:31:20,576 INFO L87 Difference]: Start difference. First operand 8056 states and 18403 transitions. Second operand 6 states. [2018-12-09 12:31:20,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:20,752 INFO L93 Difference]: Finished difference Result 10204 states and 23157 transitions. [2018-12-09 12:31:20,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 12:31:20,752 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-09 12:31:20,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:20,758 INFO L225 Difference]: With dead ends: 10204 [2018-12-09 12:31:20,758 INFO L226 Difference]: Without dead ends: 10125 [2018-12-09 12:31:20,758 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-09 12:31:20,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10125 states. [2018-12-09 12:31:20,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10125 to 7529. [2018-12-09 12:31:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7529 states. [2018-12-09 12:31:20,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7529 states to 7529 states and 17293 transitions. [2018-12-09 12:31:20,821 INFO L78 Accepts]: Start accepts. Automaton has 7529 states and 17293 transitions. Word has length 93 [2018-12-09 12:31:20,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:20,821 INFO L480 AbstractCegarLoop]: Abstraction has 7529 states and 17293 transitions. [2018-12-09 12:31:20,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:31:20,822 INFO L276 IsEmpty]: Start isEmpty. Operand 7529 states and 17293 transitions. [2018-12-09 12:31:20,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 12:31:20,826 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:20,827 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] [2018-12-09 12:31:20,827 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:20,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:20,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1879438691, now seen corresponding path program 1 times [2018-12-09 12:31:20,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:20,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:20,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:20,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:20,828 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:20,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:20,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 12:31:20,908 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:20,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 12:31:20,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 12:31:20,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:31:20,909 INFO L87 Difference]: Start difference. First operand 7529 states and 17293 transitions. Second operand 9 states. [2018-12-09 12:31:21,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:21,215 INFO L93 Difference]: Finished difference Result 10604 states and 24259 transitions. [2018-12-09 12:31:21,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-09 12:31:21,215 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-12-09 12:31:21,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:21,222 INFO L225 Difference]: With dead ends: 10604 [2018-12-09 12:31:21,222 INFO L226 Difference]: Without dead ends: 10572 [2018-12-09 12:31:21,222 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-12-09 12:31:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10572 states. [2018-12-09 12:31:21,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10572 to 9100. [2018-12-09 12:31:21,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9100 states. [2018-12-09 12:31:21,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9100 states to 9100 states and 20773 transitions. [2018-12-09 12:31:21,293 INFO L78 Accepts]: Start accepts. Automaton has 9100 states and 20773 transitions. Word has length 93 [2018-12-09 12:31:21,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:21,293 INFO L480 AbstractCegarLoop]: Abstraction has 9100 states and 20773 transitions. [2018-12-09 12:31:21,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 12:31:21,293 INFO L276 IsEmpty]: Start isEmpty. Operand 9100 states and 20773 transitions. [2018-12-09 12:31:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 12:31:21,299 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:21,299 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] [2018-12-09 12:31:21,300 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:21,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:21,300 INFO L82 PathProgramCache]: Analyzing trace with hash 618577246, now seen corresponding path program 1 times [2018-12-09 12:31:21,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:21,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:21,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:21,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:21,301 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:21,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:21,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 12:31:21,366 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:21,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 12:31:21,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 12:31:21,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:31:21,367 INFO L87 Difference]: Start difference. First operand 9100 states and 20773 transitions. Second operand 8 states. [2018-12-09 12:31:21,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:21,648 INFO L93 Difference]: Finished difference Result 14198 states and 32836 transitions. [2018-12-09 12:31:21,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 12:31:21,648 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-12-09 12:31:21,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:21,659 INFO L225 Difference]: With dead ends: 14198 [2018-12-09 12:31:21,659 INFO L226 Difference]: Without dead ends: 14198 [2018-12-09 12:31:21,659 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-12-09 12:31:21,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14198 states. [2018-12-09 12:31:21,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14198 to 9690. [2018-12-09 12:31:21,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9690 states. [2018-12-09 12:31:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9690 states to 9690 states and 22304 transitions. [2018-12-09 12:31:21,753 INFO L78 Accepts]: Start accepts. Automaton has 9690 states and 22304 transitions. Word has length 93 [2018-12-09 12:31:21,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:21,753 INFO L480 AbstractCegarLoop]: Abstraction has 9690 states and 22304 transitions. [2018-12-09 12:31:21,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 12:31:21,753 INFO L276 IsEmpty]: Start isEmpty. Operand 9690 states and 22304 transitions. [2018-12-09 12:31:21,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 12:31:21,760 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:21,760 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] [2018-12-09 12:31:21,760 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:21,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:21,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1506080927, now seen corresponding path program 1 times [2018-12-09 12:31:21,760 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:21,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:21,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:21,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:21,761 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:21,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:21,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 12:31:21,845 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:21,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:31:21,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:31:21,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:31:21,846 INFO L87 Difference]: Start difference. First operand 9690 states and 22304 transitions. Second operand 10 states. [2018-12-09 12:31:22,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:22,222 INFO L93 Difference]: Finished difference Result 13585 states and 31399 transitions. [2018-12-09 12:31:22,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 12:31:22,222 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2018-12-09 12:31:22,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:22,231 INFO L225 Difference]: With dead ends: 13585 [2018-12-09 12:31:22,231 INFO L226 Difference]: Without dead ends: 13585 [2018-12-09 12:31:22,231 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2018-12-09 12:31:22,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13585 states. [2018-12-09 12:31:22,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13585 to 10925. [2018-12-09 12:31:22,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10925 states. [2018-12-09 12:31:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10925 states to 10925 states and 24988 transitions. [2018-12-09 12:31:22,327 INFO L78 Accepts]: Start accepts. Automaton has 10925 states and 24988 transitions. Word has length 93 [2018-12-09 12:31:22,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:22,327 INFO L480 AbstractCegarLoop]: Abstraction has 10925 states and 24988 transitions. [2018-12-09 12:31:22,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:31:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 10925 states and 24988 transitions. [2018-12-09 12:31:22,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 12:31:22,335 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:22,335 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] [2018-12-09 12:31:22,335 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:22,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:22,335 INFO L82 PathProgramCache]: Analyzing trace with hash -225894625, now seen corresponding path program 1 times [2018-12-09 12:31:22,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:22,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:22,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:22,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:22,336 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:22,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:22,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:31:22,406 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:22,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:31:22,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:31:22,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:31:22,407 INFO L87 Difference]: Start difference. First operand 10925 states and 24988 transitions. Second operand 6 states. [2018-12-09 12:31:22,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:22,481 INFO L93 Difference]: Finished difference Result 10445 states and 23532 transitions. [2018-12-09 12:31:22,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:31:22,481 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-09 12:31:22,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:22,488 INFO L225 Difference]: With dead ends: 10445 [2018-12-09 12:31:22,488 INFO L226 Difference]: Without dead ends: 10445 [2018-12-09 12:31:22,488 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:31:22,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10445 states. [2018-12-09 12:31:22,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10445 to 7076. [2018-12-09 12:31:22,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7076 states. [2018-12-09 12:31:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7076 states to 7076 states and 15970 transitions. [2018-12-09 12:31:22,563 INFO L78 Accepts]: Start accepts. Automaton has 7076 states and 15970 transitions. Word has length 93 [2018-12-09 12:31:22,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:22,563 INFO L480 AbstractCegarLoop]: Abstraction has 7076 states and 15970 transitions. [2018-12-09 12:31:22,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:31:22,563 INFO L276 IsEmpty]: Start isEmpty. Operand 7076 states and 15970 transitions. [2018-12-09 12:31:22,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 12:31:22,568 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:22,568 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] [2018-12-09 12:31:22,568 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:22,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:22,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1574972597, now seen corresponding path program 1 times [2018-12-09 12:31:22,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:22,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:22,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:22,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:22,570 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:22,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:22,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 12:31:22,673 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:22,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 12:31:22,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 12:31:22,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:31:22,674 INFO L87 Difference]: Start difference. First operand 7076 states and 15970 transitions. Second operand 9 states. [2018-12-09 12:31:22,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:22,932 INFO L93 Difference]: Finished difference Result 8470 states and 18890 transitions. [2018-12-09 12:31:22,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 12:31:22,932 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-09 12:31:22,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:22,938 INFO L225 Difference]: With dead ends: 8470 [2018-12-09 12:31:22,938 INFO L226 Difference]: Without dead ends: 8470 [2018-12-09 12:31:22,938 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2018-12-09 12:31:22,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8470 states. [2018-12-09 12:31:22,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8470 to 8203. [2018-12-09 12:31:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8203 states. [2018-12-09 12:31:23,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8203 states to 8203 states and 18365 transitions. [2018-12-09 12:31:23,002 INFO L78 Accepts]: Start accepts. Automaton has 8203 states and 18365 transitions. Word has length 95 [2018-12-09 12:31:23,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:23,002 INFO L480 AbstractCegarLoop]: Abstraction has 8203 states and 18365 transitions. [2018-12-09 12:31:23,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 12:31:23,002 INFO L276 IsEmpty]: Start isEmpty. Operand 8203 states and 18365 transitions. [2018-12-09 12:31:23,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 12:31:23,007 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:23,007 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] [2018-12-09 12:31:23,007 INFO L423 AbstractCegarLoop]: === Iteration 31 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:23,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:23,007 INFO L82 PathProgramCache]: Analyzing trace with hash -687468916, now seen corresponding path program 1 times [2018-12-09 12:31:23,007 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:23,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:23,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:23,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:23,008 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:23,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:23,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 12:31:23,093 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:23,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 12:31:23,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 12:31:23,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-09 12:31:23,093 INFO L87 Difference]: Start difference. First operand 8203 states and 18365 transitions. Second operand 11 states. [2018-12-09 12:31:23,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:23,857 INFO L93 Difference]: Finished difference Result 15169 states and 34143 transitions. [2018-12-09 12:31:23,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 12:31:23,857 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-12-09 12:31:23,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:23,864 INFO L225 Difference]: With dead ends: 15169 [2018-12-09 12:31:23,864 INFO L226 Difference]: Without dead ends: 10493 [2018-12-09 12:31:23,864 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-12-09 12:31:23,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10493 states. [2018-12-09 12:31:23,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10493 to 7872. [2018-12-09 12:31:23,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7872 states. [2018-12-09 12:31:23,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7872 states to 7872 states and 17618 transitions. [2018-12-09 12:31:23,926 INFO L78 Accepts]: Start accepts. Automaton has 7872 states and 17618 transitions. Word has length 95 [2018-12-09 12:31:23,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:23,926 INFO L480 AbstractCegarLoop]: Abstraction has 7872 states and 17618 transitions. [2018-12-09 12:31:23,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 12:31:23,926 INFO L276 IsEmpty]: Start isEmpty. Operand 7872 states and 17618 transitions. [2018-12-09 12:31:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 12:31:23,931 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:23,931 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] [2018-12-09 12:31:23,931 INFO L423 AbstractCegarLoop]: === Iteration 32 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:23,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:23,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1086118301, now seen corresponding path program 1 times [2018-12-09 12:31:23,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:23,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:23,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:23,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:23,932 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:23,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:23,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:31:23,987 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:23,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:31:23,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:31:23,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:31:23,988 INFO L87 Difference]: Start difference. First operand 7872 states and 17618 transitions. Second operand 6 states. [2018-12-09 12:31:24,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:24,096 INFO L93 Difference]: Finished difference Result 8841 states and 19530 transitions. [2018-12-09 12:31:24,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:31:24,096 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-12-09 12:31:24,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:24,101 INFO L225 Difference]: With dead ends: 8841 [2018-12-09 12:31:24,101 INFO L226 Difference]: Without dead ends: 8784 [2018-12-09 12:31:24,102 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:31:24,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8784 states. [2018-12-09 12:31:24,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8784 to 7838. [2018-12-09 12:31:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7838 states. [2018-12-09 12:31:24,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7838 states to 7838 states and 17402 transitions. [2018-12-09 12:31:24,158 INFO L78 Accepts]: Start accepts. Automaton has 7838 states and 17402 transitions. Word has length 95 [2018-12-09 12:31:24,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:24,158 INFO L480 AbstractCegarLoop]: Abstraction has 7838 states and 17402 transitions. [2018-12-09 12:31:24,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:31:24,158 INFO L276 IsEmpty]: Start isEmpty. Operand 7838 states and 17402 transitions. [2018-12-09 12:31:24,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 12:31:24,163 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:24,163 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] [2018-12-09 12:31:24,163 INFO L423 AbstractCegarLoop]: === Iteration 33 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:24,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:24,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1904255005, now seen corresponding path program 2 times [2018-12-09 12:31:24,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:24,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:24,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:31:24,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:24,164 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:31:24,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:31:24,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:31:24,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:31:24,201 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:31:24,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:31:24,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:31:24,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:31:24,201 INFO L87 Difference]: Start difference. First operand 7838 states and 17402 transitions. Second operand 6 states. [2018-12-09 12:31:24,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:31:24,317 INFO L93 Difference]: Finished difference Result 8050 states and 17786 transitions. [2018-12-09 12:31:24,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:31:24,317 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-12-09 12:31:24,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:31:24,323 INFO L225 Difference]: With dead ends: 8050 [2018-12-09 12:31:24,323 INFO L226 Difference]: Without dead ends: 8050 [2018-12-09 12:31:24,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:31:24,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8050 states. [2018-12-09 12:31:24,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8050 to 7760. [2018-12-09 12:31:24,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7760 states. [2018-12-09 12:31:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7760 states to 7760 states and 17185 transitions. [2018-12-09 12:31:24,377 INFO L78 Accepts]: Start accepts. Automaton has 7760 states and 17185 transitions. Word has length 95 [2018-12-09 12:31:24,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:31:24,377 INFO L480 AbstractCegarLoop]: Abstraction has 7760 states and 17185 transitions. [2018-12-09 12:31:24,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:31:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand 7760 states and 17185 transitions. [2018-12-09 12:31:24,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 12:31:24,382 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:31:24,382 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] [2018-12-09 12:31:24,382 INFO L423 AbstractCegarLoop]: === Iteration 34 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:31:24,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:31:24,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1415884062, now seen corresponding path program 2 times [2018-12-09 12:31:24,382 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:31:24,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:24,383 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 12:31:24,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:31:24,383 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:31:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:31:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:31:24,430 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 12:31:24,496 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-09 12:31:24,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:31:24 BasicIcfg [2018-12-09 12:31:24,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:31:24,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:31:24,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:31:24,497 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:31:24,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:31:06" (3/4) ... [2018-12-09 12:31:24,499 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 12:31:24,571 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8513496a-24d6-49d4-9ad5-d07ace01cd33/bin-2019/utaipan/witness.graphml [2018-12-09 12:31:24,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:31:24,571 INFO L168 Benchmark]: Toolchain (without parser) took 18440.05 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 947.0 MB in the beginning and 1.7 GB in the end (delta: -767.1 MB). Peak memory consumption was 846.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:31:24,572 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:31:24,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:31:24,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:31:24,573 INFO L168 Benchmark]: Boogie Preprocessor took 22.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:31:24,573 INFO L168 Benchmark]: RCFGBuilder took 319.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-12-09 12:31:24,573 INFO L168 Benchmark]: TraceAbstraction took 17667.28 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -723.6 MB). Peak memory consumption was 788.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:31:24,573 INFO L168 Benchmark]: Witness Printer took 73.63 ms. Allocated memory is still 2.6 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2018-12-09 12:31:24,574 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 319.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17667.28 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -723.6 MB). Peak memory consumption was 788.4 MB. Max. memory is 11.5 GB. * Witness Printer took 73.63 ms. Allocated memory is still 2.6 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 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] [L681] -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, y=0] [L682] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L683] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L684] -1 _Bool y$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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L685] -1 _Bool y$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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L686] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L687] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L688] -1 _Bool y$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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L689] -1 _Bool y$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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L690] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L691] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L692] -1 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L693] -1 _Bool y$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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L694] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L695] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=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$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L773] -1 pthread_t t593; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L774] FCALL, FORK -1 pthread_create(&t593, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L701] 0 y$w_buff1 = y$w_buff0 [L702] 0 y$w_buff0 = 1 [L703] 0 y$w_buff1_used = y$w_buff0_used [L704] 0 y$w_buff0_used = (_Bool)1 [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L706] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L707] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L708] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L709] 0 y$r_buff0_thd1 = (_Bool)1 [L712] 0 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L715] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L775] -1 pthread_t t594; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L776] FCALL, FORK -1 pthread_create(&t594, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L729] 1 x = 2 [L732] 1 __unbuffered_p1_EAX = x [L735] 1 weak$$choice0 = __VERIFIER_nondet_pointer() [L736] 1 weak$$choice2 = __VERIFIER_nondet_pointer() [L737] 1 y$flush_delayed = weak$$choice2 [L738] 1 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L739] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) VAL [!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$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=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L739] 1 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L740] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0))=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L740] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L741] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))=0, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L741] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L742] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L742] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L743] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L743] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L744] EXPR 1 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2))=0, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L744] 1 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L745] EXPR 1 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L745] 1 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L746] 1 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] EXPR 1 y$flush_delayed ? y$mem_tmp : y 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=2, y=0, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L715] 0 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] 1 y = y$flush_delayed ? y$mem_tmp : y [L748] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L716] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L716] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L717] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L717] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L718] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L718] 0 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L719] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L719] 0 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) 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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L751] EXPR 1 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L751] 1 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L752] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used=0, y$w_buff1=0, y$w_buff1_used=0] [L753] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L754] 1 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L755] 1 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L782] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) 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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L782] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L782] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) 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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L782] -1 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L783] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L783] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L784] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] -1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L785] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L785] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L786] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L786] -1 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L789] -1 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [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=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 222 locations, 3 error locations. UNSAFE Result, 17.5s OverallTime, 34 OverallIterations, 1 TraceHistogramMax, 8.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8837 SDtfs, 10262 SDslu, 21529 SDs, 0 SdLazy, 9963 SolverSat, 480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 91 SyntacticMatches, 32 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38973occurred in iteration=16, 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: 5.2s AutomataMinimizationTime, 33 MinimizatonAttempts, 95177 StatesRemovedByMinimization, 32 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2516 NumberOfCodeBlocks, 2516 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2388 ConstructedInterpolants, 0 QuantifiedInterpolants, 522681 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 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...