./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix009_power.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_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix009_power.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/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 290b71c2c0e0fcd50a75900d169e09a370f534bd .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-08 23:44:52,219 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:44:52,220 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:44:52,228 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:44:52,228 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:44:52,229 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:44:52,230 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:44:52,231 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:44:52,232 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:44:52,233 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:44:52,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:44:52,233 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:44:52,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:44:52,235 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:44:52,235 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:44:52,236 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:44:52,237 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:44:52,238 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:44:52,239 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:44:52,240 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:44:52,241 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:44:52,242 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:44:52,243 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:44:52,243 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:44:52,244 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:44:52,244 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:44:52,245 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:44:52,245 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:44:52,246 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:44:52,247 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:44:52,247 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:44:52,247 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:44:52,248 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:44:52,248 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:44:52,248 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:44:52,249 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:44:52,249 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 23:44:52,257 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:44:52,257 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:44:52,258 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:44:52,258 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 23:44:52,258 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 23:44:52,258 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 23:44:52,258 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 23:44:52,259 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 23:44:52,259 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 23:44:52,259 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 23:44:52,259 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 23:44:52,259 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 23:44:52,259 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 23:44:52,260 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:44:52,260 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:44:52,260 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 23:44:52,260 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:44:52,261 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:44:52,261 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:44:52,261 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:44:52,261 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:44:52,261 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:44:52,261 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:44:52,261 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:44:52,262 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:44:52,262 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 23:44:52,262 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:44:52,262 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 23:44:52,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 23:44:52,262 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:44:52,262 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:44:52,262 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:44:52,262 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 23:44:52,262 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:44:52,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 23:44:52,262 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 23:44:52,262 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_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/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 -> 290b71c2c0e0fcd50a75900d169e09a370f534bd [2018-12-08 23:44:52,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:44:52,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:44:52,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:44:52,293 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:44:52,293 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:44:52,294 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/mix009_power.opt_false-unreach-call.i [2018-12-08 23:44:52,329 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/bin-2019/utaipan/data/78d9be205/da0cdd8771904ae48fa4f30869d4b410/FLAG5b0a86f22 [2018-12-08 23:44:52,810 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:44:52,811 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/sv-benchmarks/c/pthread-wmm/mix009_power.opt_false-unreach-call.i [2018-12-08 23:44:52,821 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/bin-2019/utaipan/data/78d9be205/da0cdd8771904ae48fa4f30869d4b410/FLAG5b0a86f22 [2018-12-08 23:44:53,316 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/bin-2019/utaipan/data/78d9be205/da0cdd8771904ae48fa4f30869d4b410 [2018-12-08 23:44:53,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:44:53,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:44:53,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:44:53,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:44:53,323 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:44:53,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:44:53" (1/1) ... [2018-12-08 23:44:53,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e282df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:53, skipping insertion in model container [2018-12-08 23:44:53,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:44:53" (1/1) ... [2018-12-08 23:44:53,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:44:53,360 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:44:53,542 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:44:53,550 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:44:53,638 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:44:53,678 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:44:53,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:53 WrapperNode [2018-12-08 23:44:53,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:44:53,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:44:53,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:44:53,679 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:44:53,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:53" (1/1) ... [2018-12-08 23:44:53,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:53" (1/1) ... [2018-12-08 23:44:53,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:44:53,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:44:53,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:44:53,713 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:44:53,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:53" (1/1) ... [2018-12-08 23:44:53,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:53" (1/1) ... [2018-12-08 23:44:53,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:53" (1/1) ... [2018-12-08 23:44:53,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:53" (1/1) ... [2018-12-08 23:44:53,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:53" (1/1) ... [2018-12-08 23:44:53,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:53" (1/1) ... [2018-12-08 23:44:53,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:53" (1/1) ... [2018-12-08 23:44:53,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:44:53,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:44:53,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:44:53,733 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:44:53,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/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 [2018-12-08 23:44:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 23:44:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 23:44:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-08 23:44:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 23:44:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-08 23:44:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-08 23:44:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-08 23:44:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-08 23:44:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-08 23:44:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:44:53,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:44:53,767 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 23:44:54,112 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:44:54,113 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 23:44:54,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:44:54 BoogieIcfgContainer [2018-12-08 23:44:54,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:44:54,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 23:44:54,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 23:44:54,115 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 23:44:54,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:44:53" (1/3) ... [2018-12-08 23:44:54,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548d05cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:44:54, skipping insertion in model container [2018-12-08 23:44:54,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:44:53" (2/3) ... [2018-12-08 23:44:54,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548d05cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:44:54, skipping insertion in model container [2018-12-08 23:44:54,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:44:54" (3/3) ... [2018-12-08 23:44:54,117 INFO L112 eAbstractionObserver]: Analyzing ICFG mix009_power.opt_false-unreach-call.i [2018-12-08 23:44:54,142 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,143 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,143 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,143 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,143 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,143 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,143 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,143 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,143 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,145 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,145 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,145 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,145 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,145 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,145 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,145 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,145 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,145 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,145 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,146 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,146 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,146 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,146 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,146 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,146 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,146 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,146 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,146 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,146 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,146 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,147 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,147 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,147 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,147 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,147 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,147 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,147 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,147 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,147 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,147 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,147 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,148 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,149 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,149 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,149 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,149 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,149 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,149 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,149 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,149 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,149 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,149 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,149 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,150 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,150 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,150 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,150 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,150 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,150 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,150 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,150 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,150 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,150 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,150 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,151 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,151 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,151 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,151 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,151 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,151 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,151 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,151 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,151 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,152 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,152 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,153 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,153 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,153 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,153 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,153 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,153 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,153 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,153 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,153 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,154 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,154 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,154 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,154 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,154 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,154 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,154 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,154 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,154 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,154 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,154 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,154 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,155 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,155 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,155 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,155 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,155 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,155 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,155 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,155 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,155 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,155 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,156 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,156 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,156 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,156 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,156 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,156 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,156 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,156 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,156 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,156 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,156 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,157 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,157 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,157 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,157 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,157 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,157 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,157 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,157 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,157 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,157 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,158 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,158 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,158 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,158 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,158 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,158 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,158 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,158 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,158 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,158 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,159 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,159 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,159 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,159 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,159 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,159 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,159 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,159 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,159 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,159 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,159 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,160 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,160 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,160 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,160 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,160 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,160 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,160 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,160 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,160 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,160 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,161 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,161 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,161 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,161 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,161 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,161 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,161 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,162 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,162 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,162 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,162 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,162 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,162 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,162 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,162 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,162 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,162 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,162 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,163 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,163 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,163 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,163 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,163 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,163 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,163 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,163 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,163 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,163 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,164 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,164 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,164 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,164 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,164 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,164 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,164 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,164 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,164 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,164 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,164 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,165 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,165 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,165 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,165 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet56.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:44:54,171 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 23:44:54,171 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 23:44:54,176 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-08 23:44:54,185 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-08 23:44:54,200 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 23:44:54,200 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 23:44:54,200 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 23:44:54,200 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 23:44:54,200 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 23:44:54,201 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 23:44:54,201 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 23:44:54,201 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 23:44:54,208 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 175places, 228 transitions [2018-12-08 23:44:59,504 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 83129 states. [2018-12-08 23:44:59,506 INFO L276 IsEmpty]: Start isEmpty. Operand 83129 states. [2018-12-08 23:44:59,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 23:44:59,511 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:44:59,511 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] [2018-12-08 23:44:59,513 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:44:59,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:44:59,516 INFO L82 PathProgramCache]: Analyzing trace with hash 459405505, now seen corresponding path program 1 times [2018-12-08 23:44:59,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:44:59,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:44:59,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:44:59,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:44:59,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:44:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:44:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:44:59,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:44:59,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 23:44:59,652 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:44:59,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 23:44:59,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 23:44:59,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 23:44:59,665 INFO L87 Difference]: Start difference. First operand 83129 states. Second operand 4 states. [2018-12-08 23:45:00,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:00,448 INFO L93 Difference]: Finished difference Result 150585 states and 603162 transitions. [2018-12-08 23:45:00,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 23:45:00,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2018-12-08 23:45:00,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:00,853 INFO L225 Difference]: With dead ends: 150585 [2018-12-08 23:45:00,853 INFO L226 Difference]: Without dead ends: 105841 [2018-12-08 23:45:00,854 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 [2018-12-08 23:45:02,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105841 states. [2018-12-08 23:45:02,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105841 to 61237. [2018-12-08 23:45:02,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61237 states. [2018-12-08 23:45:03,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61237 states to 61237 states and 248292 transitions. [2018-12-08 23:45:03,120 INFO L78 Accepts]: Start accepts. Automaton has 61237 states and 248292 transitions. Word has length 40 [2018-12-08 23:45:03,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:03,120 INFO L480 AbstractCegarLoop]: Abstraction has 61237 states and 248292 transitions. [2018-12-08 23:45:03,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 23:45:03,121 INFO L276 IsEmpty]: Start isEmpty. Operand 61237 states and 248292 transitions. [2018-12-08 23:45:03,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 23:45:03,128 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:03,128 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] [2018-12-08 23:45:03,128 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:03,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:03,129 INFO L82 PathProgramCache]: Analyzing trace with hash -465402434, now seen corresponding path program 1 times [2018-12-08 23:45:03,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:03,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:03,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:03,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:03,133 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:03,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:03,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:03,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 23:45:03,182 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:03,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 23:45:03,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 23:45:03,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 23:45:03,184 INFO L87 Difference]: Start difference. First operand 61237 states and 248292 transitions. Second operand 4 states. [2018-12-08 23:45:03,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:03,283 INFO L93 Difference]: Finished difference Result 14311 states and 48365 transitions. [2018-12-08 23:45:03,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 23:45:03,283 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2018-12-08 23:45:03,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:03,307 INFO L225 Difference]: With dead ends: 14311 [2018-12-08 23:45:03,307 INFO L226 Difference]: Without dead ends: 11491 [2018-12-08 23:45:03,308 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 [2018-12-08 23:45:03,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11491 states. [2018-12-08 23:45:03,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11491 to 11491. [2018-12-08 23:45:03,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11491 states. [2018-12-08 23:45:03,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11491 states to 11491 states and 37856 transitions. [2018-12-08 23:45:03,439 INFO L78 Accepts]: Start accepts. Automaton has 11491 states and 37856 transitions. Word has length 48 [2018-12-08 23:45:03,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:03,439 INFO L480 AbstractCegarLoop]: Abstraction has 11491 states and 37856 transitions. [2018-12-08 23:45:03,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 23:45:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 11491 states and 37856 transitions. [2018-12-08 23:45:03,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 23:45:03,441 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:03,441 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] [2018-12-08 23:45:03,441 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:03,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:03,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1761930056, now seen corresponding path program 1 times [2018-12-08 23:45:03,442 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:03,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:03,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:03,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:03,445 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:03,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:03,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 23:45:03,518 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:03,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 23:45:03,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 23:45:03,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 23:45:03,519 INFO L87 Difference]: Start difference. First operand 11491 states and 37856 transitions. Second operand 5 states. [2018-12-08 23:45:03,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:03,818 INFO L93 Difference]: Finished difference Result 23361 states and 75857 transitions. [2018-12-08 23:45:03,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 23:45:03,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2018-12-08 23:45:03,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:03,850 INFO L225 Difference]: With dead ends: 23361 [2018-12-08 23:45:03,850 INFO L226 Difference]: Without dead ends: 23286 [2018-12-08 23:45:03,850 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 [2018-12-08 23:45:03,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23286 states. [2018-12-08 23:45:04,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23286 to 15418. [2018-12-08 23:45:04,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15418 states. [2018-12-08 23:45:04,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15418 states to 15418 states and 49311 transitions. [2018-12-08 23:45:04,064 INFO L78 Accepts]: Start accepts. Automaton has 15418 states and 49311 transitions. Word has length 49 [2018-12-08 23:45:04,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:04,065 INFO L480 AbstractCegarLoop]: Abstraction has 15418 states and 49311 transitions. [2018-12-08 23:45:04,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 23:45:04,065 INFO L276 IsEmpty]: Start isEmpty. Operand 15418 states and 49311 transitions. [2018-12-08 23:45:04,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 23:45:04,067 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:04,067 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] [2018-12-08 23:45:04,067 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:04,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:04,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1880248814, now seen corresponding path program 1 times [2018-12-08 23:45:04,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:04,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:04,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:04,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:04,070 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:04,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:04,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:04,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 23:45:04,098 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:04,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 23:45:04,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 23:45:04,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 23:45:04,099 INFO L87 Difference]: Start difference. First operand 15418 states and 49311 transitions. Second operand 3 states. [2018-12-08 23:45:04,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:04,211 INFO L93 Difference]: Finished difference Result 28678 states and 90549 transitions. [2018-12-08 23:45:04,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 23:45:04,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-12-08 23:45:04,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:04,253 INFO L225 Difference]: With dead ends: 28678 [2018-12-08 23:45:04,253 INFO L226 Difference]: Without dead ends: 28674 [2018-12-08 23:45:04,253 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 [2018-12-08 23:45:04,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28674 states. [2018-12-08 23:45:04,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28674 to 24153. [2018-12-08 23:45:04,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24153 states. [2018-12-08 23:45:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24153 states to 24153 states and 76317 transitions. [2018-12-08 23:45:04,618 INFO L78 Accepts]: Start accepts. Automaton has 24153 states and 76317 transitions. Word has length 51 [2018-12-08 23:45:04,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:04,618 INFO L480 AbstractCegarLoop]: Abstraction has 24153 states and 76317 transitions. [2018-12-08 23:45:04,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 23:45:04,618 INFO L276 IsEmpty]: Start isEmpty. Operand 24153 states and 76317 transitions. [2018-12-08 23:45:04,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 23:45:04,620 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:04,620 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] [2018-12-08 23:45:04,620 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:04,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:04,620 INFO L82 PathProgramCache]: Analyzing trace with hash 832863033, now seen corresponding path program 1 times [2018-12-08 23:45:04,620 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:04,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:04,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:04,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:04,622 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:04,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:04,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 23:45:04,673 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:04,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 23:45:04,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 23:45:04,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 23:45:04,674 INFO L87 Difference]: Start difference. First operand 24153 states and 76317 transitions. Second operand 6 states. [2018-12-08 23:45:05,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:05,072 INFO L93 Difference]: Finished difference Result 33839 states and 105315 transitions. [2018-12-08 23:45:05,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 23:45:05,072 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-12-08 23:45:05,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:05,115 INFO L225 Difference]: With dead ends: 33839 [2018-12-08 23:45:05,116 INFO L226 Difference]: Without dead ends: 33742 [2018-12-08 23:45:05,116 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 23:45:05,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33742 states. [2018-12-08 23:45:05,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33742 to 23974. [2018-12-08 23:45:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23974 states. [2018-12-08 23:45:05,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23974 states to 23974 states and 75823 transitions. [2018-12-08 23:45:05,419 INFO L78 Accepts]: Start accepts. Automaton has 23974 states and 75823 transitions. Word has length 55 [2018-12-08 23:45:05,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:05,420 INFO L480 AbstractCegarLoop]: Abstraction has 23974 states and 75823 transitions. [2018-12-08 23:45:05,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 23:45:05,420 INFO L276 IsEmpty]: Start isEmpty. Operand 23974 states and 75823 transitions. [2018-12-08 23:45:05,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 23:45:05,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:05,425 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] [2018-12-08 23:45:05,425 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:05,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:05,425 INFO L82 PathProgramCache]: Analyzing trace with hash 974144113, now seen corresponding path program 1 times [2018-12-08 23:45:05,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:05,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:05,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:05,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:05,427 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:05,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:05,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 23:45:05,454 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:05,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 23:45:05,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 23:45:05,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 23:45:05,455 INFO L87 Difference]: Start difference. First operand 23974 states and 75823 transitions. Second operand 4 states. [2018-12-08 23:45:05,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:05,666 INFO L93 Difference]: Finished difference Result 30738 states and 97933 transitions. [2018-12-08 23:45:05,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 23:45:05,666 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-12-08 23:45:05,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:05,707 INFO L225 Difference]: With dead ends: 30738 [2018-12-08 23:45:05,707 INFO L226 Difference]: Without dead ends: 30738 [2018-12-08 23:45:05,707 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 [2018-12-08 23:45:05,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30738 states. [2018-12-08 23:45:05,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30738 to 27610. [2018-12-08 23:45:05,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27610 states. [2018-12-08 23:45:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27610 states to 27610 states and 87451 transitions. [2018-12-08 23:45:06,038 INFO L78 Accepts]: Start accepts. Automaton has 27610 states and 87451 transitions. Word has length 65 [2018-12-08 23:45:06,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:06,039 INFO L480 AbstractCegarLoop]: Abstraction has 27610 states and 87451 transitions. [2018-12-08 23:45:06,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 23:45:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 27610 states and 87451 transitions. [2018-12-08 23:45:06,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 23:45:06,045 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:06,045 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] [2018-12-08 23:45:06,045 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:06,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:06,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1578012848, now seen corresponding path program 1 times [2018-12-08 23:45:06,045 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:06,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:06,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:06,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:06,047 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:06,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:06,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:06,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 23:45:06,115 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:06,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 23:45:06,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 23:45:06,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 23:45:06,115 INFO L87 Difference]: Start difference. First operand 27610 states and 87451 transitions. Second operand 6 states. [2018-12-08 23:45:06,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:06,700 INFO L93 Difference]: Finished difference Result 65703 states and 204772 transitions. [2018-12-08 23:45:06,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 23:45:06,701 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-12-08 23:45:06,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:06,789 INFO L225 Difference]: With dead ends: 65703 [2018-12-08 23:45:06,789 INFO L226 Difference]: Without dead ends: 65639 [2018-12-08 23:45:06,790 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-12-08 23:45:06,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65639 states. [2018-12-08 23:45:07,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65639 to 39278. [2018-12-08 23:45:07,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39278 states. [2018-12-08 23:45:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39278 states to 39278 states and 121532 transitions. [2018-12-08 23:45:07,368 INFO L78 Accepts]: Start accepts. Automaton has 39278 states and 121532 transitions. Word has length 65 [2018-12-08 23:45:07,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:07,368 INFO L480 AbstractCegarLoop]: Abstraction has 39278 states and 121532 transitions. [2018-12-08 23:45:07,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 23:45:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 39278 states and 121532 transitions. [2018-12-08 23:45:07,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 23:45:07,380 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:07,380 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] [2018-12-08 23:45:07,380 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:07,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:07,381 INFO L82 PathProgramCache]: Analyzing trace with hash 528284993, now seen corresponding path program 1 times [2018-12-08 23:45:07,381 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:07,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:07,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:07,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:07,382 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:07,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:07,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:07,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 23:45:07,400 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:07,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 23:45:07,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 23:45:07,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 23:45:07,401 INFO L87 Difference]: Start difference. First operand 39278 states and 121532 transitions. Second operand 3 states. [2018-12-08 23:45:07,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:07,543 INFO L93 Difference]: Finished difference Result 44931 states and 137017 transitions. [2018-12-08 23:45:07,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 23:45:07,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-12-08 23:45:07,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:07,600 INFO L225 Difference]: With dead ends: 44931 [2018-12-08 23:45:07,600 INFO L226 Difference]: Without dead ends: 44931 [2018-12-08 23:45:07,600 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 [2018-12-08 23:45:07,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44931 states. [2018-12-08 23:45:08,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44931 to 38918. [2018-12-08 23:45:08,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38918 states. [2018-12-08 23:45:08,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38918 states to 38918 states and 117882 transitions. [2018-12-08 23:45:08,067 INFO L78 Accepts]: Start accepts. Automaton has 38918 states and 117882 transitions. Word has length 71 [2018-12-08 23:45:08,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:08,067 INFO L480 AbstractCegarLoop]: Abstraction has 38918 states and 117882 transitions. [2018-12-08 23:45:08,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 23:45:08,067 INFO L276 IsEmpty]: Start isEmpty. Operand 38918 states and 117882 transitions. [2018-12-08 23:45:08,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 23:45:08,079 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:08,079 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] [2018-12-08 23:45:08,079 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:08,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:08,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1549015799, now seen corresponding path program 1 times [2018-12-08 23:45:08,079 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:08,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:08,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:08,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:08,081 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:08,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:08,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 23:45:08,134 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:08,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 23:45:08,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 23:45:08,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-08 23:45:08,135 INFO L87 Difference]: Start difference. First operand 38918 states and 117882 transitions. Second operand 8 states. [2018-12-08 23:45:09,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:09,129 INFO L93 Difference]: Finished difference Result 62859 states and 188232 transitions. [2018-12-08 23:45:09,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 23:45:09,129 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 72 [2018-12-08 23:45:09,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:09,218 INFO L225 Difference]: With dead ends: 62859 [2018-12-08 23:45:09,218 INFO L226 Difference]: Without dead ends: 62859 [2018-12-08 23:45:09,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-12-08 23:45:09,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62859 states. [2018-12-08 23:45:09,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62859 to 47150. [2018-12-08 23:45:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47150 states. [2018-12-08 23:45:09,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47150 states to 47150 states and 142644 transitions. [2018-12-08 23:45:09,865 INFO L78 Accepts]: Start accepts. Automaton has 47150 states and 142644 transitions. Word has length 72 [2018-12-08 23:45:09,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:09,866 INFO L480 AbstractCegarLoop]: Abstraction has 47150 states and 142644 transitions. [2018-12-08 23:45:09,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 23:45:09,866 INFO L276 IsEmpty]: Start isEmpty. Operand 47150 states and 142644 transitions. [2018-12-08 23:45:09,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 23:45:09,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:09,879 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] [2018-12-08 23:45:09,880 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:09,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:09,880 INFO L82 PathProgramCache]: Analyzing trace with hash -661512118, now seen corresponding path program 1 times [2018-12-08 23:45:09,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:09,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:09,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:09,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:09,881 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:09,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:09,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:09,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 23:45:09,925 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:09,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 23:45:09,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 23:45:09,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-08 23:45:09,925 INFO L87 Difference]: Start difference. First operand 47150 states and 142644 transitions. Second operand 5 states. [2018-12-08 23:45:09,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:09,966 INFO L93 Difference]: Finished difference Result 13174 states and 33006 transitions. [2018-12-08 23:45:09,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 23:45:09,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-12-08 23:45:09,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:09,975 INFO L225 Difference]: With dead ends: 13174 [2018-12-08 23:45:09,975 INFO L226 Difference]: Without dead ends: 11054 [2018-12-08 23:45:09,975 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 [2018-12-08 23:45:09,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11054 states. [2018-12-08 23:45:10,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11054 to 8483. [2018-12-08 23:45:10,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8483 states. [2018-12-08 23:45:10,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8483 states to 8483 states and 21178 transitions. [2018-12-08 23:45:10,055 INFO L78 Accepts]: Start accepts. Automaton has 8483 states and 21178 transitions. Word has length 72 [2018-12-08 23:45:10,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:10,055 INFO L480 AbstractCegarLoop]: Abstraction has 8483 states and 21178 transitions. [2018-12-08 23:45:10,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 23:45:10,056 INFO L276 IsEmpty]: Start isEmpty. Operand 8483 states and 21178 transitions. [2018-12-08 23:45:10,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 23:45:10,063 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:10,063 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, 1, 1, 1, 1, 1] [2018-12-08 23:45:10,064 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:10,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:10,064 INFO L82 PathProgramCache]: Analyzing trace with hash -805261176, now seen corresponding path program 1 times [2018-12-08 23:45:10,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:10,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:10,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:10,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:10,066 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:10,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:10,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 23:45:10,093 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:10,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 23:45:10,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 23:45:10,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 23:45:10,094 INFO L87 Difference]: Start difference. First operand 8483 states and 21178 transitions. Second operand 4 states. [2018-12-08 23:45:10,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:10,272 INFO L93 Difference]: Finished difference Result 16241 states and 38374 transitions. [2018-12-08 23:45:10,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 23:45:10,272 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-12-08 23:45:10,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:10,283 INFO L225 Difference]: With dead ends: 16241 [2018-12-08 23:45:10,283 INFO L226 Difference]: Without dead ends: 16241 [2018-12-08 23:45:10,283 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 [2018-12-08 23:45:10,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16241 states. [2018-12-08 23:45:10,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16241 to 12639. [2018-12-08 23:45:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12639 states. [2018-12-08 23:45:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12639 states to 12639 states and 30645 transitions. [2018-12-08 23:45:10,400 INFO L78 Accepts]: Start accepts. Automaton has 12639 states and 30645 transitions. Word has length 100 [2018-12-08 23:45:10,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:10,401 INFO L480 AbstractCegarLoop]: Abstraction has 12639 states and 30645 transitions. [2018-12-08 23:45:10,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 23:45:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 12639 states and 30645 transitions. [2018-12-08 23:45:10,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 23:45:10,412 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:10,412 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, 1, 1, 1, 1, 1] [2018-12-08 23:45:10,412 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:10,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:10,412 INFO L82 PathProgramCache]: Analyzing trace with hash -475495415, now seen corresponding path program 1 times [2018-12-08 23:45:10,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:10,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:10,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:10,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:10,414 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:10,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:10,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:10,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 23:45:10,495 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:10,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 23:45:10,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 23:45:10,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 23:45:10,496 INFO L87 Difference]: Start difference. First operand 12639 states and 30645 transitions. Second operand 7 states. [2018-12-08 23:45:10,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:10,822 INFO L93 Difference]: Finished difference Result 16860 states and 40206 transitions. [2018-12-08 23:45:10,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 23:45:10,823 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2018-12-08 23:45:10,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:10,834 INFO L225 Difference]: With dead ends: 16860 [2018-12-08 23:45:10,835 INFO L226 Difference]: Without dead ends: 16860 [2018-12-08 23:45:10,835 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-12-08 23:45:10,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16860 states. [2018-12-08 23:45:10,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16860 to 14478. [2018-12-08 23:45:10,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14478 states. [2018-12-08 23:45:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14478 states to 14478 states and 35096 transitions. [2018-12-08 23:45:10,971 INFO L78 Accepts]: Start accepts. Automaton has 14478 states and 35096 transitions. Word has length 100 [2018-12-08 23:45:10,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:10,971 INFO L480 AbstractCegarLoop]: Abstraction has 14478 states and 35096 transitions. [2018-12-08 23:45:10,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 23:45:10,971 INFO L276 IsEmpty]: Start isEmpty. Operand 14478 states and 35096 transitions. [2018-12-08 23:45:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 23:45:10,983 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:10,983 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, 1, 1, 1, 1, 1] [2018-12-08 23:45:10,983 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:10,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:10,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1249985482, now seen corresponding path program 1 times [2018-12-08 23:45:10,983 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:10,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:10,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:10,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:10,985 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:11,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:11,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:11,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 23:45:11,022 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:11,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 23:45:11,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 23:45:11,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 23:45:11,023 INFO L87 Difference]: Start difference. First operand 14478 states and 35096 transitions. Second operand 5 states. [2018-12-08 23:45:11,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:11,246 INFO L93 Difference]: Finished difference Result 18643 states and 43998 transitions. [2018-12-08 23:45:11,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 23:45:11,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2018-12-08 23:45:11,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:11,259 INFO L225 Difference]: With dead ends: 18643 [2018-12-08 23:45:11,259 INFO L226 Difference]: Without dead ends: 18643 [2018-12-08 23:45:11,259 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 23:45:11,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18643 states. [2018-12-08 23:45:11,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18643 to 15622. [2018-12-08 23:45:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15622 states. [2018-12-08 23:45:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15622 states to 15622 states and 37575 transitions. [2018-12-08 23:45:11,397 INFO L78 Accepts]: Start accepts. Automaton has 15622 states and 37575 transitions. Word has length 100 [2018-12-08 23:45:11,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:11,397 INFO L480 AbstractCegarLoop]: Abstraction has 15622 states and 37575 transitions. [2018-12-08 23:45:11,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 23:45:11,398 INFO L276 IsEmpty]: Start isEmpty. Operand 15622 states and 37575 transitions. [2018-12-08 23:45:11,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 23:45:11,408 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:11,408 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, 1, 1, 1, 1, 1] [2018-12-08 23:45:11,409 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:11,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:11,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1503291686, now seen corresponding path program 2 times [2018-12-08 23:45:11,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:11,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:11,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:11,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:11,410 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:11,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:11,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:11,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 23:45:11,506 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:11,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 23:45:11,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 23:45:11,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 23:45:11,506 INFO L87 Difference]: Start difference. First operand 15622 states and 37575 transitions. Second operand 6 states. [2018-12-08 23:45:11,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:11,649 INFO L93 Difference]: Finished difference Result 15478 states and 37007 transitions. [2018-12-08 23:45:11,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 23:45:11,649 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-12-08 23:45:11,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:11,661 INFO L225 Difference]: With dead ends: 15478 [2018-12-08 23:45:11,661 INFO L226 Difference]: Without dead ends: 15478 [2018-12-08 23:45:11,661 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 [2018-12-08 23:45:11,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15478 states. [2018-12-08 23:45:11,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15478 to 13714. [2018-12-08 23:45:11,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13714 states. [2018-12-08 23:45:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13714 states to 13714 states and 32984 transitions. [2018-12-08 23:45:11,787 INFO L78 Accepts]: Start accepts. Automaton has 13714 states and 32984 transitions. Word has length 100 [2018-12-08 23:45:11,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:11,788 INFO L480 AbstractCegarLoop]: Abstraction has 13714 states and 32984 transitions. [2018-12-08 23:45:11,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 23:45:11,788 INFO L276 IsEmpty]: Start isEmpty. Operand 13714 states and 32984 transitions. [2018-12-08 23:45:11,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 23:45:11,798 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:11,799 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:45:11,799 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:11,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:11,799 INFO L82 PathProgramCache]: Analyzing trace with hash 2002150678, now seen corresponding path program 1 times [2018-12-08 23:45:11,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:11,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:11,801 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 23:45:11,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:11,801 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:11,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:11,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 23:45:11,915 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:11,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 23:45:11,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 23:45:11,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-08 23:45:11,916 INFO L87 Difference]: Start difference. First operand 13714 states and 32984 transitions. Second operand 8 states. [2018-12-08 23:45:12,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:12,216 INFO L93 Difference]: Finished difference Result 15682 states and 37098 transitions. [2018-12-08 23:45:12,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 23:45:12,216 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2018-12-08 23:45:12,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:12,227 INFO L225 Difference]: With dead ends: 15682 [2018-12-08 23:45:12,227 INFO L226 Difference]: Without dead ends: 15682 [2018-12-08 23:45:12,227 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2018-12-08 23:45:12,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15682 states. [2018-12-08 23:45:12,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15682 to 14616. [2018-12-08 23:45:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14616 states. [2018-12-08 23:45:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14616 states to 14616 states and 34939 transitions. [2018-12-08 23:45:12,350 INFO L78 Accepts]: Start accepts. Automaton has 14616 states and 34939 transitions. Word has length 102 [2018-12-08 23:45:12,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:12,350 INFO L480 AbstractCegarLoop]: Abstraction has 14616 states and 34939 transitions. [2018-12-08 23:45:12,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 23:45:12,350 INFO L276 IsEmpty]: Start isEmpty. Operand 14616 states and 34939 transitions. [2018-12-08 23:45:12,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 23:45:12,362 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:12,362 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, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:45:12,362 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:12,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:12,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1405312937, now seen corresponding path program 1 times [2018-12-08 23:45:12,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:12,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:12,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:12,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:12,364 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:12,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:12,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:12,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 23:45:12,394 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:12,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 23:45:12,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 23:45:12,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 23:45:12,395 INFO L87 Difference]: Start difference. First operand 14616 states and 34939 transitions. Second operand 3 states. [2018-12-08 23:45:12,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:12,448 INFO L93 Difference]: Finished difference Result 18600 states and 44459 transitions. [2018-12-08 23:45:12,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 23:45:12,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-12-08 23:45:12,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:12,462 INFO L225 Difference]: With dead ends: 18600 [2018-12-08 23:45:12,462 INFO L226 Difference]: Without dead ends: 18600 [2018-12-08 23:45:12,462 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 [2018-12-08 23:45:12,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18600 states. [2018-12-08 23:45:12,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18600 to 18521. [2018-12-08 23:45:12,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18521 states. [2018-12-08 23:45:12,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18521 states to 18521 states and 44287 transitions. [2018-12-08 23:45:12,610 INFO L78 Accepts]: Start accepts. Automaton has 18521 states and 44287 transitions. Word has length 102 [2018-12-08 23:45:12,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:12,610 INFO L480 AbstractCegarLoop]: Abstraction has 18521 states and 44287 transitions. [2018-12-08 23:45:12,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 23:45:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 18521 states and 44287 transitions. [2018-12-08 23:45:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 23:45:12,623 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:12,623 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, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:45:12,623 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:12,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:12,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1193962024, now seen corresponding path program 1 times [2018-12-08 23:45:12,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:12,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:12,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:12,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:12,624 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:12,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:12,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:12,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 23:45:12,661 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:12,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 23:45:12,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 23:45:12,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 23:45:12,661 INFO L87 Difference]: Start difference. First operand 18521 states and 44287 transitions. Second operand 4 states. [2018-12-08 23:45:12,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:12,806 INFO L93 Difference]: Finished difference Result 18926 states and 44947 transitions. [2018-12-08 23:45:12,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 23:45:12,806 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2018-12-08 23:45:12,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:12,820 INFO L225 Difference]: With dead ends: 18926 [2018-12-08 23:45:12,820 INFO L226 Difference]: Without dead ends: 18926 [2018-12-08 23:45:12,820 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 23:45:12,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18926 states. [2018-12-08 23:45:12,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18926 to 18666. [2018-12-08 23:45:12,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18666 states. [2018-12-08 23:45:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18666 states to 18666 states and 44387 transitions. [2018-12-08 23:45:12,963 INFO L78 Accepts]: Start accepts. Automaton has 18666 states and 44387 transitions. Word has length 102 [2018-12-08 23:45:12,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:12,963 INFO L480 AbstractCegarLoop]: Abstraction has 18666 states and 44387 transitions. [2018-12-08 23:45:12,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 23:45:12,963 INFO L276 IsEmpty]: Start isEmpty. Operand 18666 states and 44387 transitions. [2018-12-08 23:45:12,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 23:45:12,976 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:12,976 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, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:45:12,977 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:12,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:12,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1478572905, now seen corresponding path program 2 times [2018-12-08 23:45:12,977 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:12,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:12,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:12,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:12,978 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:13,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:13,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:13,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 23:45:13,025 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:13,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 23:45:13,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 23:45:13,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-08 23:45:13,026 INFO L87 Difference]: Start difference. First operand 18666 states and 44387 transitions. Second operand 5 states. [2018-12-08 23:45:13,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:13,292 INFO L93 Difference]: Finished difference Result 19173 states and 45401 transitions. [2018-12-08 23:45:13,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 23:45:13,292 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2018-12-08 23:45:13,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:13,306 INFO L225 Difference]: With dead ends: 19173 [2018-12-08 23:45:13,306 INFO L226 Difference]: Without dead ends: 19173 [2018-12-08 23:45:13,306 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-08 23:45:13,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19173 states. [2018-12-08 23:45:13,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19173 to 18666. [2018-12-08 23:45:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18666 states. [2018-12-08 23:45:13,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18666 states to 18666 states and 44313 transitions. [2018-12-08 23:45:13,461 INFO L78 Accepts]: Start accepts. Automaton has 18666 states and 44313 transitions. Word has length 102 [2018-12-08 23:45:13,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:13,461 INFO L480 AbstractCegarLoop]: Abstraction has 18666 states and 44313 transitions. [2018-12-08 23:45:13,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 23:45:13,461 INFO L276 IsEmpty]: Start isEmpty. Operand 18666 states and 44313 transitions. [2018-12-08 23:45:13,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 23:45:13,474 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:13,474 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, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:45:13,474 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:13,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:13,475 INFO L82 PathProgramCache]: Analyzing trace with hash 405390625, now seen corresponding path program 3 times [2018-12-08 23:45:13,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:13,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:13,476 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 23:45:13,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:13,476 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:13,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:13,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 23:45:13,518 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:13,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 23:45:13,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 23:45:13,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 23:45:13,519 INFO L87 Difference]: Start difference. First operand 18666 states and 44313 transitions. Second operand 6 states. [2018-12-08 23:45:13,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:13,880 INFO L93 Difference]: Finished difference Result 21659 states and 51245 transitions. [2018-12-08 23:45:13,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 23:45:13,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2018-12-08 23:45:13,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:13,897 INFO L225 Difference]: With dead ends: 21659 [2018-12-08 23:45:13,897 INFO L226 Difference]: Without dead ends: 21659 [2018-12-08 23:45:13,897 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-08 23:45:13,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21659 states. [2018-12-08 23:45:14,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21659 to 18887. [2018-12-08 23:45:14,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18887 states. [2018-12-08 23:45:14,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18887 states to 18887 states and 44805 transitions. [2018-12-08 23:45:14,055 INFO L78 Accepts]: Start accepts. Automaton has 18887 states and 44805 transitions. Word has length 102 [2018-12-08 23:45:14,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:14,055 INFO L480 AbstractCegarLoop]: Abstraction has 18887 states and 44805 transitions. [2018-12-08 23:45:14,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 23:45:14,055 INFO L276 IsEmpty]: Start isEmpty. Operand 18887 states and 44805 transitions. [2018-12-08 23:45:14,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 23:45:14,067 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:14,067 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, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:45:14,067 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:14,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:14,067 INFO L82 PathProgramCache]: Analyzing trace with hash 2066029025, now seen corresponding path program 4 times [2018-12-08 23:45:14,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:14,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:14,068 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 23:45:14,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:14,068 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:14,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:14,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 23:45:14,109 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:14,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 23:45:14,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 23:45:14,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 23:45:14,109 INFO L87 Difference]: Start difference. First operand 18887 states and 44805 transitions. Second operand 5 states. [2018-12-08 23:45:14,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:14,297 INFO L93 Difference]: Finished difference Result 20260 states and 47651 transitions. [2018-12-08 23:45:14,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 23:45:14,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2018-12-08 23:45:14,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:14,311 INFO L225 Difference]: With dead ends: 20260 [2018-12-08 23:45:14,311 INFO L226 Difference]: Without dead ends: 20260 [2018-12-08 23:45:14,311 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 23:45:14,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20260 states. [2018-12-08 23:45:14,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20260 to 19111. [2018-12-08 23:45:14,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19111 states. [2018-12-08 23:45:14,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19111 states to 19111 states and 45268 transitions. [2018-12-08 23:45:14,460 INFO L78 Accepts]: Start accepts. Automaton has 19111 states and 45268 transitions. Word has length 102 [2018-12-08 23:45:14,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:14,460 INFO L480 AbstractCegarLoop]: Abstraction has 19111 states and 45268 transitions. [2018-12-08 23:45:14,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 23:45:14,460 INFO L276 IsEmpty]: Start isEmpty. Operand 19111 states and 45268 transitions. [2018-12-08 23:45:14,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 23:45:14,472 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:14,472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:45:14,472 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:14,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:14,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1644889549, now seen corresponding path program 1 times [2018-12-08 23:45:14,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:14,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:14,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:14,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:14,473 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:14,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:14,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:14,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 23:45:14,553 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:14,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 23:45:14,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 23:45:14,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 23:45:14,554 INFO L87 Difference]: Start difference. First operand 19111 states and 45268 transitions. Second operand 8 states. [2018-12-08 23:45:14,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:14,889 INFO L93 Difference]: Finished difference Result 20847 states and 49233 transitions. [2018-12-08 23:45:14,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 23:45:14,889 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-12-08 23:45:14,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:14,892 INFO L225 Difference]: With dead ends: 20847 [2018-12-08 23:45:14,893 INFO L226 Difference]: Without dead ends: 4573 [2018-12-08 23:45:14,893 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-12-08 23:45:14,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4573 states. [2018-12-08 23:45:14,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4573 to 4571. [2018-12-08 23:45:14,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4571 states. [2018-12-08 23:45:14,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4571 states to 4571 states and 11052 transitions. [2018-12-08 23:45:14,921 INFO L78 Accepts]: Start accepts. Automaton has 4571 states and 11052 transitions. Word has length 104 [2018-12-08 23:45:14,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:14,922 INFO L480 AbstractCegarLoop]: Abstraction has 4571 states and 11052 transitions. [2018-12-08 23:45:14,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 23:45:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 4571 states and 11052 transitions. [2018-12-08 23:45:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 23:45:14,924 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:14,924 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:45:14,924 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:14,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:14,925 INFO L82 PathProgramCache]: Analyzing trace with hash 265549278, now seen corresponding path program 1 times [2018-12-08 23:45:14,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:14,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:14,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:14,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:14,926 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:15,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:15,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:15,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-08 23:45:15,062 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:15,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 23:45:15,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 23:45:15,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-12-08 23:45:15,063 INFO L87 Difference]: Start difference. First operand 4571 states and 11052 transitions. Second operand 13 states. [2018-12-08 23:45:15,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:15,501 INFO L93 Difference]: Finished difference Result 7163 states and 17045 transitions. [2018-12-08 23:45:15,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 23:45:15,502 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 104 [2018-12-08 23:45:15,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:15,506 INFO L225 Difference]: With dead ends: 7163 [2018-12-08 23:45:15,506 INFO L226 Difference]: Without dead ends: 5188 [2018-12-08 23:45:15,506 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2018-12-08 23:45:15,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2018-12-08 23:45:15,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 4618. [2018-12-08 23:45:15,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4618 states. [2018-12-08 23:45:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4618 states to 4618 states and 11099 transitions. [2018-12-08 23:45:15,548 INFO L78 Accepts]: Start accepts. Automaton has 4618 states and 11099 transitions. Word has length 104 [2018-12-08 23:45:15,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:15,548 INFO L480 AbstractCegarLoop]: Abstraction has 4618 states and 11099 transitions. [2018-12-08 23:45:15,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 23:45:15,548 INFO L276 IsEmpty]: Start isEmpty. Operand 4618 states and 11099 transitions. [2018-12-08 23:45:15,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 23:45:15,551 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:15,551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:45:15,551 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:15,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:15,551 INFO L82 PathProgramCache]: Analyzing trace with hash 248602942, now seen corresponding path program 2 times [2018-12-08 23:45:15,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:15,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:15,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:45:15,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:15,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:15,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:15,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:15,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-12-08 23:45:15,667 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:15,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 23:45:15,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 23:45:15,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-12-08 23:45:15,667 INFO L87 Difference]: Start difference. First operand 4618 states and 11099 transitions. Second operand 14 states. [2018-12-08 23:45:16,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:16,046 INFO L93 Difference]: Finished difference Result 8915 states and 21615 transitions. [2018-12-08 23:45:16,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 23:45:16,046 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 104 [2018-12-08 23:45:16,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:16,051 INFO L225 Difference]: With dead ends: 8915 [2018-12-08 23:45:16,051 INFO L226 Difference]: Without dead ends: 5468 [2018-12-08 23:45:16,051 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2018-12-08 23:45:16,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5468 states. [2018-12-08 23:45:16,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5468 to 5426. [2018-12-08 23:45:16,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5426 states. [2018-12-08 23:45:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5426 states to 5426 states and 13139 transitions. [2018-12-08 23:45:16,104 INFO L78 Accepts]: Start accepts. Automaton has 5426 states and 13139 transitions. Word has length 104 [2018-12-08 23:45:16,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:16,104 INFO L480 AbstractCegarLoop]: Abstraction has 5426 states and 13139 transitions. [2018-12-08 23:45:16,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 23:45:16,105 INFO L276 IsEmpty]: Start isEmpty. Operand 5426 states and 13139 transitions. [2018-12-08 23:45:16,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 23:45:16,109 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:16,109 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:45:16,110 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:16,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:16,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1469195098, now seen corresponding path program 3 times [2018-12-08 23:45:16,110 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:16,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:16,111 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 23:45:16,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:16,111 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:16,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:45:16,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-08 23:45:16,227 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:45:16,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 23:45:16,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 23:45:16,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-12-08 23:45:16,228 INFO L87 Difference]: Start difference. First operand 5426 states and 13139 transitions. Second operand 13 states. [2018-12-08 23:45:16,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:45:16,642 INFO L93 Difference]: Finished difference Result 8150 states and 19567 transitions. [2018-12-08 23:45:16,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 23:45:16,642 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 104 [2018-12-08 23:45:16,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:45:16,647 INFO L225 Difference]: With dead ends: 8150 [2018-12-08 23:45:16,647 INFO L226 Difference]: Without dead ends: 7219 [2018-12-08 23:45:16,647 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2018-12-08 23:45:16,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7219 states. [2018-12-08 23:45:16,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7219 to 5410. [2018-12-08 23:45:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5410 states. [2018-12-08 23:45:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5410 states to 5410 states and 13098 transitions. [2018-12-08 23:45:16,692 INFO L78 Accepts]: Start accepts. Automaton has 5410 states and 13098 transitions. Word has length 104 [2018-12-08 23:45:16,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:45:16,692 INFO L480 AbstractCegarLoop]: Abstraction has 5410 states and 13098 transitions. [2018-12-08 23:45:16,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 23:45:16,693 INFO L276 IsEmpty]: Start isEmpty. Operand 5410 states and 13098 transitions. [2018-12-08 23:45:16,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 23:45:16,696 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:45:16,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:45:16,696 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:45:16,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:16,696 INFO L82 PathProgramCache]: Analyzing trace with hash -720978081, now seen corresponding path program 1 times [2018-12-08 23:45:16,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:45:16,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:16,697 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 23:45:16,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:45:16,697 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:45:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:45:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:45:16,745 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 23:45:16,811 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-08 23:45:16,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:45:16 BasicIcfg [2018-12-08 23:45:16,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 23:45:16,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:45:16,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:45:16,813 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:45:16,813 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:44:54" (3/4) ... [2018-12-08 23:45:16,815 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 23:45:16,886 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ac35cbc0-6b68-4eeb-9da8-12bff3dbf37d/bin-2019/utaipan/witness.graphml [2018-12-08 23:45:16,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:45:16,887 INFO L168 Benchmark]: Toolchain (without parser) took 23568.50 ms. Allocated memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 950.6 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 733.4 MB. Max. memory is 11.5 GB. [2018-12-08 23:45:16,887 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:45:16,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -122.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-12-08 23:45:16,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.48 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 23:45:16,888 INFO L168 Benchmark]: Boogie Preprocessor took 20.24 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. [2018-12-08 23:45:16,888 INFO L168 Benchmark]: RCFGBuilder took 379.82 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: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2018-12-08 23:45:16,888 INFO L168 Benchmark]: TraceAbstraction took 22698.90 ms. Allocated memory was 1.1 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 657.2 MB. Max. memory is 11.5 GB. [2018-12-08 23:45:16,888 INFO L168 Benchmark]: Witness Printer took 73.60 ms. Allocated memory is still 3.4 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. [2018-12-08 23:45:16,890 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -122.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.48 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.24 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 379.82 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: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22698.90 ms. Allocated memory was 1.1 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 657.2 MB. Max. memory is 11.5 GB. * Witness Printer took 73.60 ms. Allocated memory is still 3.4 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L672] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L674] -1 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L676] -1 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0] [L678] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0] [L680] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L681] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L682] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L684] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L686] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L687] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L688] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L689] -1 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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$r_buff0_thd0=0] [L690] -1 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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] [L691] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L692] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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$r_buff1_thd0=0] [L693] -1 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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$r_buff1_thd1=0] [L694] -1 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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] [L695] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L696] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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$read_delayed_var={0:0}] [L697] -1 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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$w_buff0=0] [L698] -1 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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] [L699] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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] [L700] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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$w_buff1_used=0] [L702] -1 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$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, z=0] [L703] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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, z=0] [L704] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L794] -1 pthread_t t245; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L795] FCALL, FORK -1 pthread_create(&t245, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L796] -1 pthread_t t246; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L797] FCALL, FORK -1 pthread_create(&t246, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L742] 0 y$w_buff1 = y$w_buff0 [L743] 0 y$w_buff0 = 1 [L744] 0 y$w_buff1_used = y$w_buff0_used [L745] 0 y$w_buff0_used = (_Bool)1 [L5] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L747] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L748] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L749] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L750] 0 y$r_buff0_thd2 = (_Bool)1 [L753] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L754] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L755] 0 y$flush_delayed = weak$$choice2 [L756] 0 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$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, z=0] [L757] EXPR 0 !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$w_buff1) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$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, z=0] [L757] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$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, z=0] [L757] EXPR 0 !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$w_buff1) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$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, z=0] [L757] 0 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) [L758] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L758] 0 y$w_buff0 = weak$$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)) [L759] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L759] 0 y$w_buff1 = weak$$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)) [L760] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L760] 0 y$w_buff0_used = weak$$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)) [L761] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L761] 0 y$w_buff1_used = weak$$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)) [L762] EXPR 0 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L762] 0 y$r_buff0_thd2 = weak$$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)) [L763] EXPR 0 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L763] 0 y$r_buff1_thd2 = weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L764] 0 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$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, z=0] [L765] EXPR 0 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=1, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$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, z=0] [L765] 0 y = y$flush_delayed ? y$mem_tmp : y [L766] 0 y$flush_delayed = (_Bool)0 [L769] 0 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$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, z=0] [L772] EXPR 0 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=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$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, z=0] [L708] 1 z = 1 [L711] 1 x = 1 [L714] 1 __unbuffered_p0_EAX = x [L717] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L718] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L719] 1 y$flush_delayed = weak$$choice2 [L720] 1 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L721] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) VAL [!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L721] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L722] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L722] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L723] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, 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$w_buff1_used=0, z=1] [L723] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L724] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L724] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L725] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, 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$w_buff1_used=0, z=1] [L725] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L726] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L726] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L727] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, 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$w_buff1_used=0, z=1] [L727] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L728] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L729] EXPR 1 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L772] 0 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L773] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=1, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L729] 1 y = y$flush_delayed ? y$mem_tmp : y [L730] 1 y$flush_delayed = (_Bool)0 [L735] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L773] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L774] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L774] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L775] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L775] 0 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L776] EXPR 0 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L776] 0 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L779] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L799] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L803] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L803] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L803] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L803] -1 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L804] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L804] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L805] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L805] -1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L806] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L806] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L807] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L807] -1 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L810] -1 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L5] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L5] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$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, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 285 locations, 3 error locations. UNSAFE Result, 22.6s OverallTime, 25 OverallIterations, 1 TraceHistogramMax, 8.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8683 SDtfs, 9389 SDslu, 24674 SDs, 0 SdLazy, 7754 SolverSat, 445 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 66 SyntacticMatches, 14 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83129occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.9s AutomataMinimizationTime, 24 MinimizatonAttempts, 139568 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2120 NumberOfCodeBlocks, 2120 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1992 ConstructedInterpolants, 0 QuantifiedInterpolants, 431769 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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...