./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi000_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_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi000_power.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3ae452df12de0c6a1fb927454711cf972ad1d78 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:44:12,016 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 08:44:12,016 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 08:44:12,023 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 08:44:12,023 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 08:44:12,023 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 08:44:12,024 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 08:44:12,025 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 08:44:12,026 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 08:44:12,026 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 08:44:12,027 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 08:44:12,027 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 08:44:12,027 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 08:44:12,028 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 08:44:12,028 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 08:44:12,029 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 08:44:12,029 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 08:44:12,030 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 08:44:12,031 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 08:44:12,032 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 08:44:12,032 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 08:44:12,033 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 08:44:12,034 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 08:44:12,035 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 08:44:12,035 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 08:44:12,035 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 08:44:12,036 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 08:44:12,036 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 08:44:12,037 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 08:44:12,037 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 08:44:12,038 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 08:44:12,038 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 08:44:12,038 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 08:44:12,038 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 08:44:12,039 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 08:44:12,040 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 08:44:12,040 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 08:44:12,047 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 08:44:12,047 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 08:44:12,048 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 08:44:12,048 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 08:44:12,048 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 08:44:12,049 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 08:44:12,049 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 08:44:12,049 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 08:44:12,049 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 08:44:12,049 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 08:44:12,049 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 08:44:12,049 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 08:44:12,049 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 08:44:12,050 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 08:44:12,050 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 08:44:12,050 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 08:44:12,050 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 08:44:12,050 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 08:44:12,050 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 08:44:12,050 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 08:44:12,051 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 08:44:12,051 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 08:44:12,051 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 08:44:12,051 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 08:44:12,051 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 08:44:12,051 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 08:44:12,051 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 08:44:12,051 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 08:44:12,052 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 08:44:12,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 08:44:12,052 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3ae452df12de0c6a1fb927454711cf972ad1d78 [2018-12-08 08:44:12,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 08:44:12,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 08:44:12,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 08:44:12,088 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 08:44:12,089 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 08:44:12,089 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/rfi000_power.opt_false-unreach-call.i [2018-12-08 08:44:12,134 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer/data/426ff190d/9a5b042237864ef69280d7430a48db61/FLAG88fdaf847 [2018-12-08 08:44:12,534 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 08:44:12,535 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/sv-benchmarks/c/pthread-wmm/rfi000_power.opt_false-unreach-call.i [2018-12-08 08:44:12,542 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer/data/426ff190d/9a5b042237864ef69280d7430a48db61/FLAG88fdaf847 [2018-12-08 08:44:12,878 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer/data/426ff190d/9a5b042237864ef69280d7430a48db61 [2018-12-08 08:44:12,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 08:44:12,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 08:44:12,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 08:44:12,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 08:44:12,893 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 08:44:12,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:44:12" (1/1) ... [2018-12-08 08:44:12,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a04c23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:44:12, skipping insertion in model container [2018-12-08 08:44:12,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:44:12" (1/1) ... [2018-12-08 08:44:12,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 08:44:12,926 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 08:44:13,129 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:44:13,140 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 08:44:13,232 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:44:13,264 INFO L195 MainTranslator]: Completed translation [2018-12-08 08:44:13,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:44:13 WrapperNode [2018-12-08 08:44:13,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 08:44:13,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 08:44:13,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 08:44:13,265 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 08:44:13,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:44:13" (1/1) ... [2018-12-08 08:44:13,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:44:13" (1/1) ... [2018-12-08 08:44:13,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 08:44:13,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 08:44:13,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 08:44:13,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 08:44:13,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:44:13" (1/1) ... [2018-12-08 08:44:13,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:44:13" (1/1) ... [2018-12-08 08:44:13,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:44:13" (1/1) ... [2018-12-08 08:44:13,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:44:13" (1/1) ... [2018-12-08 08:44:13,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:44:13" (1/1) ... [2018-12-08 08:44:13,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:44:13" (1/1) ... [2018-12-08 08:44:13,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:44:13" (1/1) ... [2018-12-08 08:44:13,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 08:44:13,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 08:44:13,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 08:44:13,318 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 08:44:13,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:44:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer/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 08:44:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 08:44:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 08:44:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-08 08:44:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 08:44:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-08 08:44:13,351 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-08 08:44:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-08 08:44:13,351 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-08 08:44:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-08 08:44:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 08:44:13,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 08:44:13,352 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 08:44:13,646 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 08:44:13,646 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 08:44:13,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:44:13 BoogieIcfgContainer [2018-12-08 08:44:13,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 08:44:13,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 08:44:13,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 08:44:13,649 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 08:44:13,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:44:12" (1/3) ... [2018-12-08 08:44:13,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea2b5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:44:13, skipping insertion in model container [2018-12-08 08:44:13,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:44:13" (2/3) ... [2018-12-08 08:44:13,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea2b5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:44:13, skipping insertion in model container [2018-12-08 08:44:13,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:44:13" (3/3) ... [2018-12-08 08:44:13,652 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_power.opt_false-unreach-call.i [2018-12-08 08:44:13,674 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,674 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,674 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,674 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,675 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,675 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,675 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,675 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,675 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,675 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,675 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,676 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,676 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,676 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,676 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,676 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,676 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,676 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,677 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,677 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,677 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,677 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,677 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,677 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,677 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,678 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,678 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,678 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,678 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,678 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,678 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,678 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,679 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,679 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,679 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,679 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,679 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,679 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,679 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,680 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,680 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,680 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,680 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,680 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,680 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,681 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,681 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,681 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,681 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,681 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,681 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,681 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,682 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,682 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,682 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,682 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,682 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,682 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,682 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,683 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,683 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,683 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,683 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,683 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,683 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,684 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,684 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet16.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,684 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet16.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,684 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,684 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,684 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet16.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,684 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet16.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 08:44:13,688 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 08:44:13,688 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 08:44:13,693 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-08 08:44:13,703 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-08 08:44:13,718 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 08:44:13,718 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 08:44:13,719 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 08:44:13,719 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 08:44:13,719 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 08:44:13,719 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 08:44:13,719 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 08:44:13,719 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 08:44:13,719 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 08:44:13,726 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 142places, 180 transitions [2018-12-08 08:44:14,676 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 25088 states. [2018-12-08 08:44:14,677 INFO L276 IsEmpty]: Start isEmpty. Operand 25088 states. [2018-12-08 08:44:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 08:44:14,683 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:14,683 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] [2018-12-08 08:44:14,685 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:14,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:14,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1172530028, now seen corresponding path program 1 times [2018-12-08 08:44:14,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:14,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:14,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:14,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:14,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:14,822 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 08:44:14,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:14,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:44:14,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:44:14,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:44:14,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:44:14,836 INFO L87 Difference]: Start difference. First operand 25088 states. Second operand 4 states. [2018-12-08 08:44:15,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:15,210 INFO L93 Difference]: Finished difference Result 45388 states and 177626 transitions. [2018-12-08 08:44:15,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 08:44:15,211 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-12-08 08:44:15,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:15,359 INFO L225 Difference]: With dead ends: 45388 [2018-12-08 08:44:15,359 INFO L226 Difference]: Without dead ends: 40628 [2018-12-08 08:44:15,360 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 08:44:15,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40628 states. [2018-12-08 08:44:15,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40628 to 23662. [2018-12-08 08:44:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23662 states. [2018-12-08 08:44:16,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23662 states to 23662 states and 92543 transitions. [2018-12-08 08:44:16,036 INFO L78 Accepts]: Start accepts. Automaton has 23662 states and 92543 transitions. Word has length 37 [2018-12-08 08:44:16,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:16,036 INFO L480 AbstractCegarLoop]: Abstraction has 23662 states and 92543 transitions. [2018-12-08 08:44:16,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:44:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 23662 states and 92543 transitions. [2018-12-08 08:44:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 08:44:16,039 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:16,039 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] [2018-12-08 08:44:16,039 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:16,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:16,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1746574175, now seen corresponding path program 1 times [2018-12-08 08:44:16,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:16,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:16,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:16,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:16,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:16,096 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 08:44:16,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:16,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:44:16,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:44:16,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:44:16,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:44:16,098 INFO L87 Difference]: Start difference. First operand 23662 states and 92543 transitions. Second operand 5 states. [2018-12-08 08:44:16,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:16,696 INFO L93 Difference]: Finished difference Result 64830 states and 241369 transitions. [2018-12-08 08:44:16,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 08:44:16,697 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-12-08 08:44:16,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:16,828 INFO L225 Difference]: With dead ends: 64830 [2018-12-08 08:44:16,828 INFO L226 Difference]: Without dead ends: 64670 [2018-12-08 08:44:16,829 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 08:44:17,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64670 states. [2018-12-08 08:44:17,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64670 to 37142. [2018-12-08 08:44:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37142 states. [2018-12-08 08:44:17,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37142 states to 37142 states and 138284 transitions. [2018-12-08 08:44:17,585 INFO L78 Accepts]: Start accepts. Automaton has 37142 states and 138284 transitions. Word has length 44 [2018-12-08 08:44:17,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:17,586 INFO L480 AbstractCegarLoop]: Abstraction has 37142 states and 138284 transitions. [2018-12-08 08:44:17,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:44:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 37142 states and 138284 transitions. [2018-12-08 08:44:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 08:44:17,588 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:17,588 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:17,588 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:17,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:17,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1206649085, now seen corresponding path program 1 times [2018-12-08 08:44:17,589 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:17,589 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:17,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:17,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:17,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:17,636 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 08:44:17,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:17,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:44:17,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:44:17,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:44:17,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:44:17,637 INFO L87 Difference]: Start difference. First operand 37142 states and 138284 transitions. Second operand 4 states. [2018-12-08 08:44:17,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:17,677 INFO L93 Difference]: Finished difference Result 12364 states and 41177 transitions. [2018-12-08 08:44:17,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:44:17,678 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-12-08 08:44:17,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:17,693 INFO L225 Difference]: With dead ends: 12364 [2018-12-08 08:44:17,693 INFO L226 Difference]: Without dead ends: 11843 [2018-12-08 08:44:17,693 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 08:44:17,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11843 states. [2018-12-08 08:44:17,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11843 to 11843. [2018-12-08 08:44:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11843 states. [2018-12-08 08:44:17,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11843 states to 11843 states and 39622 transitions. [2018-12-08 08:44:17,819 INFO L78 Accepts]: Start accepts. Automaton has 11843 states and 39622 transitions. Word has length 45 [2018-12-08 08:44:17,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:17,819 INFO L480 AbstractCegarLoop]: Abstraction has 11843 states and 39622 transitions. [2018-12-08 08:44:17,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:44:17,819 INFO L276 IsEmpty]: Start isEmpty. Operand 11843 states and 39622 transitions. [2018-12-08 08:44:17,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 08:44:17,821 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:17,821 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] [2018-12-08 08:44:17,822 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:17,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:17,822 INFO L82 PathProgramCache]: Analyzing trace with hash -372868821, now seen corresponding path program 1 times [2018-12-08 08:44:17,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:17,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:17,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:17,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:17,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:17,864 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 08:44:17,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:17,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:44:17,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:44:17,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:44:17,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:44:17,864 INFO L87 Difference]: Start difference. First operand 11843 states and 39622 transitions. Second operand 4 states. [2018-12-08 08:44:18,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:18,020 INFO L93 Difference]: Finished difference Result 17019 states and 55693 transitions. [2018-12-08 08:44:18,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:44:18,020 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2018-12-08 08:44:18,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:18,048 INFO L225 Difference]: With dead ends: 17019 [2018-12-08 08:44:18,048 INFO L226 Difference]: Without dead ends: 17019 [2018-12-08 08:44:18,048 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 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 08:44:18,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17019 states. [2018-12-08 08:44:18,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17019 to 12879. [2018-12-08 08:44:18,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12879 states. [2018-12-08 08:44:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12879 states to 12879 states and 42720 transitions. [2018-12-08 08:44:18,245 INFO L78 Accepts]: Start accepts. Automaton has 12879 states and 42720 transitions. Word has length 58 [2018-12-08 08:44:18,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:18,245 INFO L480 AbstractCegarLoop]: Abstraction has 12879 states and 42720 transitions. [2018-12-08 08:44:18,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:44:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 12879 states and 42720 transitions. [2018-12-08 08:44:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 08:44:18,250 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:18,250 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] [2018-12-08 08:44:18,251 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:18,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:18,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1400961321, now seen corresponding path program 1 times [2018-12-08 08:44:18,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:18,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:18,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:18,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:18,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:18,314 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 08:44:18,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:18,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 08:44:18,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:44:18,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:44:18,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:44:18,315 INFO L87 Difference]: Start difference. First operand 12879 states and 42720 transitions. Second operand 6 states. [2018-12-08 08:44:18,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:18,713 INFO L93 Difference]: Finished difference Result 18599 states and 60830 transitions. [2018-12-08 08:44:18,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 08:44:18,714 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-12-08 08:44:18,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:18,734 INFO L225 Difference]: With dead ends: 18599 [2018-12-08 08:44:18,735 INFO L226 Difference]: Without dead ends: 18567 [2018-12-08 08:44:18,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-12-08 08:44:18,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18567 states. [2018-12-08 08:44:18,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18567 to 14411. [2018-12-08 08:44:18,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14411 states. [2018-12-08 08:44:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14411 states to 14411 states and 47549 transitions. [2018-12-08 08:44:18,913 INFO L78 Accepts]: Start accepts. Automaton has 14411 states and 47549 transitions. Word has length 58 [2018-12-08 08:44:18,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:18,913 INFO L480 AbstractCegarLoop]: Abstraction has 14411 states and 47549 transitions. [2018-12-08 08:44:18,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:44:18,913 INFO L276 IsEmpty]: Start isEmpty. Operand 14411 states and 47549 transitions. [2018-12-08 08:44:18,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 08:44:18,924 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:18,924 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] [2018-12-08 08:44:18,925 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:18,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:18,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1996508936, now seen corresponding path program 1 times [2018-12-08 08:44:18,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:18,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:18,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:18,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:18,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:18,993 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 08:44:18,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:18,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:44:18,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:44:18,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:44:18,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:44:18,994 INFO L87 Difference]: Start difference. First operand 14411 states and 47549 transitions. Second operand 4 states. [2018-12-08 08:44:19,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:19,282 INFO L93 Difference]: Finished difference Result 23159 states and 75002 transitions. [2018-12-08 08:44:19,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:44:19,283 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-12-08 08:44:19,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:19,311 INFO L225 Difference]: With dead ends: 23159 [2018-12-08 08:44:19,312 INFO L226 Difference]: Without dead ends: 22983 [2018-12-08 08:44:19,312 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 08:44:19,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22983 states. [2018-12-08 08:44:19,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22983 to 19511. [2018-12-08 08:44:19,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19511 states. [2018-12-08 08:44:19,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19511 states to 19511 states and 63974 transitions. [2018-12-08 08:44:19,542 INFO L78 Accepts]: Start accepts. Automaton has 19511 states and 63974 transitions. Word has length 72 [2018-12-08 08:44:19,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:19,542 INFO L480 AbstractCegarLoop]: Abstraction has 19511 states and 63974 transitions. [2018-12-08 08:44:19,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:44:19,542 INFO L276 IsEmpty]: Start isEmpty. Operand 19511 states and 63974 transitions. [2018-12-08 08:44:19,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 08:44:19,554 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:19,554 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 08:44:19,554 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:19,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:19,554 INFO L82 PathProgramCache]: Analyzing trace with hash -945148663, now seen corresponding path program 1 times [2018-12-08 08:44:19,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:19,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:19,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:19,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:19,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:19,584 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 08:44:19,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:19,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:44:19,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:44:19,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:44:19,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:44:19,585 INFO L87 Difference]: Start difference. First operand 19511 states and 63974 transitions. Second operand 4 states. [2018-12-08 08:44:19,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:19,986 INFO L93 Difference]: Finished difference Result 27542 states and 88892 transitions. [2018-12-08 08:44:19,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:44:19,987 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-12-08 08:44:19,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:20,099 INFO L225 Difference]: With dead ends: 27542 [2018-12-08 08:44:20,099 INFO L226 Difference]: Without dead ends: 27542 [2018-12-08 08:44:20,099 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 08:44:20,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27542 states. [2018-12-08 08:44:20,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27542 to 24767. [2018-12-08 08:44:20,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24767 states. [2018-12-08 08:44:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24767 states to 24767 states and 80580 transitions. [2018-12-08 08:44:20,365 INFO L78 Accepts]: Start accepts. Automaton has 24767 states and 80580 transitions. Word has length 72 [2018-12-08 08:44:20,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:20,366 INFO L480 AbstractCegarLoop]: Abstraction has 24767 states and 80580 transitions. [2018-12-08 08:44:20,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:44:20,366 INFO L276 IsEmpty]: Start isEmpty. Operand 24767 states and 80580 transitions. [2018-12-08 08:44:20,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 08:44:20,380 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:20,380 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, 1] [2018-12-08 08:44:20,381 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:20,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:20,381 INFO L82 PathProgramCache]: Analyzing trace with hash -594348726, now seen corresponding path program 1 times [2018-12-08 08:44:20,381 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:20,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:20,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:20,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:20,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:44:20,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:20,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 08:44:20,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 08:44:20,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 08:44:20,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 08:44:20,501 INFO L87 Difference]: Start difference. First operand 24767 states and 80580 transitions. Second operand 8 states. [2018-12-08 08:44:21,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:21,256 INFO L93 Difference]: Finished difference Result 37721 states and 118603 transitions. [2018-12-08 08:44:21,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 08:44:21,257 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 72 [2018-12-08 08:44:21,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:21,302 INFO L225 Difference]: With dead ends: 37721 [2018-12-08 08:44:21,302 INFO L226 Difference]: Without dead ends: 37473 [2018-12-08 08:44:21,302 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-12-08 08:44:21,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37473 states. [2018-12-08 08:44:21,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37473 to 27364. [2018-12-08 08:44:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27364 states. [2018-12-08 08:44:21,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27364 states to 27364 states and 88368 transitions. [2018-12-08 08:44:21,668 INFO L78 Accepts]: Start accepts. Automaton has 27364 states and 88368 transitions. Word has length 72 [2018-12-08 08:44:21,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:21,668 INFO L480 AbstractCegarLoop]: Abstraction has 27364 states and 88368 transitions. [2018-12-08 08:44:21,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 08:44:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 27364 states and 88368 transitions. [2018-12-08 08:44:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 08:44:21,687 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:21,687 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 08:44:21,687 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:21,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:21,688 INFO L82 PathProgramCache]: Analyzing trace with hash -887751733, now seen corresponding path program 1 times [2018-12-08 08:44:21,688 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:21,688 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:21,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:21,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:21,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:21,768 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 08:44:21,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:21,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 08:44:21,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:44:21,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:44:21,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:44:21,768 INFO L87 Difference]: Start difference. First operand 27364 states and 88368 transitions. Second operand 6 states. [2018-12-08 08:44:22,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:22,026 INFO L93 Difference]: Finished difference Result 29954 states and 95614 transitions. [2018-12-08 08:44:22,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 08:44:22,026 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2018-12-08 08:44:22,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:22,073 INFO L225 Difference]: With dead ends: 29954 [2018-12-08 08:44:22,074 INFO L226 Difference]: Without dead ends: 29954 [2018-12-08 08:44:22,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-08 08:44:22,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29954 states. [2018-12-08 08:44:22,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29954 to 28147. [2018-12-08 08:44:22,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28147 states. [2018-12-08 08:44:22,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28147 states to 28147 states and 90561 transitions. [2018-12-08 08:44:22,511 INFO L78 Accepts]: Start accepts. Automaton has 28147 states and 90561 transitions. Word has length 72 [2018-12-08 08:44:22,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:22,511 INFO L480 AbstractCegarLoop]: Abstraction has 28147 states and 90561 transitions. [2018-12-08 08:44:22,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:44:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 28147 states and 90561 transitions. [2018-12-08 08:44:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 08:44:22,530 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:22,530 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 08:44:22,530 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:22,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:22,530 INFO L82 PathProgramCache]: Analyzing trace with hash 73862284, now seen corresponding path program 1 times [2018-12-08 08:44:22,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:22,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:22,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:22,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:22,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:22,565 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 08:44:22,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:22,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:44:22,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:44:22,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:44:22,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:44:22,566 INFO L87 Difference]: Start difference. First operand 28147 states and 90561 transitions. Second operand 5 states. [2018-12-08 08:44:22,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:22,587 INFO L93 Difference]: Finished difference Result 4691 states and 12177 transitions. [2018-12-08 08:44:22,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 08:44:22,587 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-12-08 08:44:22,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:22,590 INFO L225 Difference]: With dead ends: 4691 [2018-12-08 08:44:22,590 INFO L226 Difference]: Without dead ends: 3893 [2018-12-08 08:44:22,591 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 08:44:22,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3893 states. [2018-12-08 08:44:22,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3893 to 3596. [2018-12-08 08:44:22,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3596 states. [2018-12-08 08:44:22,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3596 states to 3596 states and 9379 transitions. [2018-12-08 08:44:22,617 INFO L78 Accepts]: Start accepts. Automaton has 3596 states and 9379 transitions. Word has length 72 [2018-12-08 08:44:22,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:22,617 INFO L480 AbstractCegarLoop]: Abstraction has 3596 states and 9379 transitions. [2018-12-08 08:44:22,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:44:22,618 INFO L276 IsEmpty]: Start isEmpty. Operand 3596 states and 9379 transitions. [2018-12-08 08:44:22,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 08:44:22,620 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:22,620 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:44:22,620 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:22,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:22,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1359573718, now seen corresponding path program 1 times [2018-12-08 08:44:22,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:22,620 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:22,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:22,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:22,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:22,665 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 08:44:22,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:22,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:44:22,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:44:22,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:44:22,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:44:22,666 INFO L87 Difference]: Start difference. First operand 3596 states and 9379 transitions. Second operand 5 states. [2018-12-08 08:44:22,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:22,769 INFO L93 Difference]: Finished difference Result 3926 states and 10118 transitions. [2018-12-08 08:44:22,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:44:22,769 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2018-12-08 08:44:22,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:22,773 INFO L225 Difference]: With dead ends: 3926 [2018-12-08 08:44:22,773 INFO L226 Difference]: Without dead ends: 3926 [2018-12-08 08:44:22,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:44:22,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3926 states. [2018-12-08 08:44:22,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3926 to 3634. [2018-12-08 08:44:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3634 states. [2018-12-08 08:44:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3634 states to 3634 states and 9483 transitions. [2018-12-08 08:44:22,802 INFO L78 Accepts]: Start accepts. Automaton has 3634 states and 9483 transitions. Word has length 91 [2018-12-08 08:44:22,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:22,803 INFO L480 AbstractCegarLoop]: Abstraction has 3634 states and 9483 transitions. [2018-12-08 08:44:22,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:44:22,803 INFO L276 IsEmpty]: Start isEmpty. Operand 3634 states and 9483 transitions. [2018-12-08 08:44:22,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 08:44:22,805 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:22,805 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:22,805 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:22,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:22,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1302589579, now seen corresponding path program 1 times [2018-12-08 08:44:22,806 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:22,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:22,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:22,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:22,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:22,837 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 08:44:22,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:22,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:44:22,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:44:22,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:44:22,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:44:22,838 INFO L87 Difference]: Start difference. First operand 3634 states and 9483 transitions. Second operand 4 states. [2018-12-08 08:44:22,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:22,956 INFO L93 Difference]: Finished difference Result 4252 states and 10932 transitions. [2018-12-08 08:44:22,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 08:44:22,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-12-08 08:44:22,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:22,960 INFO L225 Difference]: With dead ends: 4252 [2018-12-08 08:44:22,960 INFO L226 Difference]: Without dead ends: 4224 [2018-12-08 08:44:22,960 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:44:22,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4224 states. [2018-12-08 08:44:22,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4224 to 4156. [2018-12-08 08:44:22,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4156 states. [2018-12-08 08:44:22,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4156 states to 4156 states and 10728 transitions. [2018-12-08 08:44:22,988 INFO L78 Accepts]: Start accepts. Automaton has 4156 states and 10728 transitions. Word has length 91 [2018-12-08 08:44:22,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:22,988 INFO L480 AbstractCegarLoop]: Abstraction has 4156 states and 10728 transitions. [2018-12-08 08:44:22,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:44:22,988 INFO L276 IsEmpty]: Start isEmpty. Operand 4156 states and 10728 transitions. [2018-12-08 08:44:22,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 08:44:22,991 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:22,991 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:22,992 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:22,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:22,992 INFO L82 PathProgramCache]: Analyzing trace with hash -2022796694, now seen corresponding path program 1 times [2018-12-08 08:44:22,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:22,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:22,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:22,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:22,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:23,016 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 08:44:23,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:23,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:44:23,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:44:23,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:44:23,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:44:23,017 INFO L87 Difference]: Start difference. First operand 4156 states and 10728 transitions. Second operand 4 states. [2018-12-08 08:44:23,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:23,157 INFO L93 Difference]: Finished difference Result 5141 states and 13366 transitions. [2018-12-08 08:44:23,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 08:44:23,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-12-08 08:44:23,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:23,161 INFO L225 Difference]: With dead ends: 5141 [2018-12-08 08:44:23,161 INFO L226 Difference]: Without dead ends: 5141 [2018-12-08 08:44:23,161 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:44:23,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5141 states. [2018-12-08 08:44:23,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5141 to 4021. [2018-12-08 08:44:23,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4021 states. [2018-12-08 08:44:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4021 states to 4021 states and 10331 transitions. [2018-12-08 08:44:23,197 INFO L78 Accepts]: Start accepts. Automaton has 4021 states and 10331 transitions. Word has length 91 [2018-12-08 08:44:23,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:23,197 INFO L480 AbstractCegarLoop]: Abstraction has 4021 states and 10331 transitions. [2018-12-08 08:44:23,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:44:23,197 INFO L276 IsEmpty]: Start isEmpty. Operand 4021 states and 10331 transitions. [2018-12-08 08:44:23,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 08:44:23,201 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:23,201 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:23,201 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:23,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:23,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1536327676, now seen corresponding path program 2 times [2018-12-08 08:44:23,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:23,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:23,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:23,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:23,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:23,244 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 08:44:23,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:23,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:44:23,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:44:23,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:44:23,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:44:23,245 INFO L87 Difference]: Start difference. First operand 4021 states and 10331 transitions. Second operand 5 states. [2018-12-08 08:44:23,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:23,376 INFO L93 Difference]: Finished difference Result 4493 states and 11451 transitions. [2018-12-08 08:44:23,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 08:44:23,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2018-12-08 08:44:23,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:23,380 INFO L225 Difference]: With dead ends: 4493 [2018-12-08 08:44:23,380 INFO L226 Difference]: Without dead ends: 4465 [2018-12-08 08:44:23,380 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 08:44:23,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4465 states. [2018-12-08 08:44:23,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4465 to 3983. [2018-12-08 08:44:23,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3983 states. [2018-12-08 08:44:23,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3983 states to 3983 states and 10225 transitions. [2018-12-08 08:44:23,410 INFO L78 Accepts]: Start accepts. Automaton has 3983 states and 10225 transitions. Word has length 91 [2018-12-08 08:44:23,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:23,411 INFO L480 AbstractCegarLoop]: Abstraction has 3983 states and 10225 transitions. [2018-12-08 08:44:23,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:44:23,411 INFO L276 IsEmpty]: Start isEmpty. Operand 3983 states and 10225 transitions. [2018-12-08 08:44:23,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 08:44:23,413 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:23,413 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:23,413 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:23,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:23,414 INFO L82 PathProgramCache]: Analyzing trace with hash 47520550, now seen corresponding path program 1 times [2018-12-08 08:44:23,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:23,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:23,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:23,415 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:44:23,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:23,454 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 08:44:23,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:23,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 08:44:23,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:44:23,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:44:23,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:44:23,455 INFO L87 Difference]: Start difference. First operand 3983 states and 10225 transitions. Second operand 6 states. [2018-12-08 08:44:23,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:23,638 INFO L93 Difference]: Finished difference Result 4367 states and 10977 transitions. [2018-12-08 08:44:23,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 08:44:23,639 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-08 08:44:23,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:23,641 INFO L225 Difference]: With dead ends: 4367 [2018-12-08 08:44:23,642 INFO L226 Difference]: Without dead ends: 4242 [2018-12-08 08:44:23,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 08:44:23,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4242 states. [2018-12-08 08:44:23,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4242 to 4149. [2018-12-08 08:44:23,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4149 states. [2018-12-08 08:44:23,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4149 states to 4149 states and 10564 transitions. [2018-12-08 08:44:23,668 INFO L78 Accepts]: Start accepts. Automaton has 4149 states and 10564 transitions. Word has length 93 [2018-12-08 08:44:23,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:23,669 INFO L480 AbstractCegarLoop]: Abstraction has 4149 states and 10564 transitions. [2018-12-08 08:44:23,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:44:23,669 INFO L276 IsEmpty]: Start isEmpty. Operand 4149 states and 10564 transitions. [2018-12-08 08:44:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 08:44:23,671 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:23,671 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:23,671 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:23,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:23,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1748261029, now seen corresponding path program 1 times [2018-12-08 08:44:23,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:23,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:23,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:23,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:23,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:23,726 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 08:44:23,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:23,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 08:44:23,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 08:44:23,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 08:44:23,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:44:23,727 INFO L87 Difference]: Start difference. First operand 4149 states and 10564 transitions. Second operand 7 states. [2018-12-08 08:44:23,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:23,927 INFO L93 Difference]: Finished difference Result 4483 states and 11383 transitions. [2018-12-08 08:44:23,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 08:44:23,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-08 08:44:23,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:23,931 INFO L225 Difference]: With dead ends: 4483 [2018-12-08 08:44:23,931 INFO L226 Difference]: Without dead ends: 4483 [2018-12-08 08:44:23,931 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:44:23,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2018-12-08 08:44:23,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 4141. [2018-12-08 08:44:23,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4141 states. [2018-12-08 08:44:23,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4141 states to 4141 states and 10552 transitions. [2018-12-08 08:44:23,963 INFO L78 Accepts]: Start accepts. Automaton has 4141 states and 10552 transitions. Word has length 93 [2018-12-08 08:44:23,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:23,963 INFO L480 AbstractCegarLoop]: Abstraction has 4141 states and 10552 transitions. [2018-12-08 08:44:23,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 08:44:23,963 INFO L276 IsEmpty]: Start isEmpty. Operand 4141 states and 10552 transitions. [2018-12-08 08:44:23,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 08:44:23,966 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:23,966 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:23,966 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:23,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:23,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1135826747, now seen corresponding path program 1 times [2018-12-08 08:44:23,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:23,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:23,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:23,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:23,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:24,021 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 08:44:24,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:24,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:44:24,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:44:24,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:44:24,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:44:24,022 INFO L87 Difference]: Start difference. First operand 4141 states and 10552 transitions. Second operand 5 states. [2018-12-08 08:44:24,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:24,083 INFO L93 Difference]: Finished difference Result 3573 states and 9086 transitions. [2018-12-08 08:44:24,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 08:44:24,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-12-08 08:44:24,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:24,085 INFO L225 Difference]: With dead ends: 3573 [2018-12-08 08:44:24,085 INFO L226 Difference]: Without dead ends: 3573 [2018-12-08 08:44:24,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:44:24,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3573 states. [2018-12-08 08:44:24,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3573 to 3476. [2018-12-08 08:44:24,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3476 states. [2018-12-08 08:44:24,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 8885 transitions. [2018-12-08 08:44:24,108 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 8885 transitions. Word has length 93 [2018-12-08 08:44:24,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:24,108 INFO L480 AbstractCegarLoop]: Abstraction has 3476 states and 8885 transitions. [2018-12-08 08:44:24,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:44:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 8885 transitions. [2018-12-08 08:44:24,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 08:44:24,110 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:24,110 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:24,110 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:24,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:24,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1223480262, now seen corresponding path program 1 times [2018-12-08 08:44:24,110 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:24,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:24,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:24,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:24,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:24,161 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 08:44:24,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:24,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 08:44:24,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:44:24,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:44:24,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:44:24,161 INFO L87 Difference]: Start difference. First operand 3476 states and 8885 transitions. Second operand 6 states. [2018-12-08 08:44:24,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:24,245 INFO L93 Difference]: Finished difference Result 3236 states and 8109 transitions. [2018-12-08 08:44:24,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 08:44:24,245 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-08 08:44:24,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:24,247 INFO L225 Difference]: With dead ends: 3236 [2018-12-08 08:44:24,247 INFO L226 Difference]: Without dead ends: 3236 [2018-12-08 08:44:24,247 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:44:24,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3236 states. [2018-12-08 08:44:24,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3236 to 2830. [2018-12-08 08:44:24,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2830 states. [2018-12-08 08:44:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 7147 transitions. [2018-12-08 08:44:24,267 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 7147 transitions. Word has length 93 [2018-12-08 08:44:24,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:24,267 INFO L480 AbstractCegarLoop]: Abstraction has 2830 states and 7147 transitions. [2018-12-08 08:44:24,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:44:24,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 7147 transitions. [2018-12-08 08:44:24,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 08:44:24,269 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:24,269 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:24,269 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:24,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:24,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1682422135, now seen corresponding path program 1 times [2018-12-08 08:44:24,269 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:24,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:24,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:24,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:24,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:24,310 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 08:44:24,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:24,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 08:44:24,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 08:44:24,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 08:44:24,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-08 08:44:24,311 INFO L87 Difference]: Start difference. First operand 2830 states and 7147 transitions. Second operand 8 states. [2018-12-08 08:44:24,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:24,588 INFO L93 Difference]: Finished difference Result 4468 states and 11024 transitions. [2018-12-08 08:44:24,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 08:44:24,589 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2018-12-08 08:44:24,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:24,592 INFO L225 Difference]: With dead ends: 4468 [2018-12-08 08:44:24,592 INFO L226 Difference]: Without dead ends: 4468 [2018-12-08 08:44:24,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2018-12-08 08:44:24,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4468 states. [2018-12-08 08:44:24,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4468 to 3196. [2018-12-08 08:44:24,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3196 states. [2018-12-08 08:44:24,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 3196 states and 8035 transitions. [2018-12-08 08:44:24,616 INFO L78 Accepts]: Start accepts. Automaton has 3196 states and 8035 transitions. Word has length 95 [2018-12-08 08:44:24,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:24,616 INFO L480 AbstractCegarLoop]: Abstraction has 3196 states and 8035 transitions. [2018-12-08 08:44:24,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 08:44:24,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 8035 transitions. [2018-12-08 08:44:24,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 08:44:24,618 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:24,618 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:24,618 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:24,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:24,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1367780680, now seen corresponding path program 1 times [2018-12-08 08:44:24,619 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:24,619 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:24,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:24,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:24,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:24,687 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 08:44:24,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:24,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 08:44:24,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 08:44:24,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 08:44:24,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-08 08:44:24,687 INFO L87 Difference]: Start difference. First operand 3196 states and 8035 transitions. Second operand 8 states. [2018-12-08 08:44:25,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:25,040 INFO L93 Difference]: Finished difference Result 4336 states and 10694 transitions. [2018-12-08 08:44:25,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-08 08:44:25,040 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2018-12-08 08:44:25,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:25,043 INFO L225 Difference]: With dead ends: 4336 [2018-12-08 08:44:25,043 INFO L226 Difference]: Without dead ends: 4282 [2018-12-08 08:44:25,043 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2018-12-08 08:44:25,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4282 states. [2018-12-08 08:44:25,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4282 to 3124. [2018-12-08 08:44:25,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3124 states. [2018-12-08 08:44:25,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 7862 transitions. [2018-12-08 08:44:25,068 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 7862 transitions. Word has length 95 [2018-12-08 08:44:25,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:25,068 INFO L480 AbstractCegarLoop]: Abstraction has 3124 states and 7862 transitions. [2018-12-08 08:44:25,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 08:44:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 7862 transitions. [2018-12-08 08:44:25,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 08:44:25,070 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:25,070 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:25,070 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:25,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:25,070 INFO L82 PathProgramCache]: Analyzing trace with hash 991526329, now seen corresponding path program 1 times [2018-12-08 08:44:25,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:25,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:25,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:25,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:25,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:25,130 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 08:44:25,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:25,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 08:44:25,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 08:44:25,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 08:44:25,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:44:25,131 INFO L87 Difference]: Start difference. First operand 3124 states and 7862 transitions. Second operand 7 states. [2018-12-08 08:44:25,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:25,345 INFO L93 Difference]: Finished difference Result 3826 states and 9491 transitions. [2018-12-08 08:44:25,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 08:44:25,346 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-12-08 08:44:25,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:25,348 INFO L225 Difference]: With dead ends: 3826 [2018-12-08 08:44:25,349 INFO L226 Difference]: Without dead ends: 3826 [2018-12-08 08:44:25,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-12-08 08:44:25,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2018-12-08 08:44:25,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3224. [2018-12-08 08:44:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3224 states. [2018-12-08 08:44:25,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3224 states to 3224 states and 8052 transitions. [2018-12-08 08:44:25,372 INFO L78 Accepts]: Start accepts. Automaton has 3224 states and 8052 transitions. Word has length 95 [2018-12-08 08:44:25,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:25,372 INFO L480 AbstractCegarLoop]: Abstraction has 3224 states and 8052 transitions. [2018-12-08 08:44:25,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 08:44:25,372 INFO L276 IsEmpty]: Start isEmpty. Operand 3224 states and 8052 transitions. [2018-12-08 08:44:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 08:44:25,374 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:25,374 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:25,374 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:25,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:25,375 INFO L82 PathProgramCache]: Analyzing trace with hash 76527609, now seen corresponding path program 1 times [2018-12-08 08:44:25,375 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:25,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:25,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:25,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:25,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:25,413 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 08:44:25,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:25,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:44:25,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:44:25,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:44:25,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:44:25,414 INFO L87 Difference]: Start difference. First operand 3224 states and 8052 transitions. Second operand 5 states. [2018-12-08 08:44:25,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:25,529 INFO L93 Difference]: Finished difference Result 3576 states and 8916 transitions. [2018-12-08 08:44:25,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 08:44:25,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2018-12-08 08:44:25,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:25,531 INFO L225 Difference]: With dead ends: 3576 [2018-12-08 08:44:25,532 INFO L226 Difference]: Without dead ends: 3544 [2018-12-08 08:44:25,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 08:44:25,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3544 states. [2018-12-08 08:44:25,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3544 to 2675. [2018-12-08 08:44:25,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2675 states. [2018-12-08 08:44:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2675 states and 6699 transitions. [2018-12-08 08:44:25,554 INFO L78 Accepts]: Start accepts. Automaton has 2675 states and 6699 transitions. Word has length 95 [2018-12-08 08:44:25,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:25,554 INFO L480 AbstractCegarLoop]: Abstraction has 2675 states and 6699 transitions. [2018-12-08 08:44:25,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:44:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 6699 transitions. [2018-12-08 08:44:25,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 08:44:25,556 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:25,556 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:25,556 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:25,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:25,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1321292090, now seen corresponding path program 1 times [2018-12-08 08:44:25,556 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:25,556 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:25,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:25,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:25,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:25,610 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 08:44:25,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:25,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 08:44:25,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 08:44:25,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 08:44:25,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-08 08:44:25,610 INFO L87 Difference]: Start difference. First operand 2675 states and 6699 transitions. Second operand 8 states. [2018-12-08 08:44:25,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:25,897 INFO L93 Difference]: Finished difference Result 4878 states and 12647 transitions. [2018-12-08 08:44:25,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 08:44:25,897 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2018-12-08 08:44:25,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:25,901 INFO L225 Difference]: With dead ends: 4878 [2018-12-08 08:44:25,902 INFO L226 Difference]: Without dead ends: 4878 [2018-12-08 08:44:25,902 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2018-12-08 08:44:25,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4878 states. [2018-12-08 08:44:25,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4878 to 2605. [2018-12-08 08:44:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2605 states. [2018-12-08 08:44:25,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2605 states and 6559 transitions. [2018-12-08 08:44:25,928 INFO L78 Accepts]: Start accepts. Automaton has 2605 states and 6559 transitions. Word has length 95 [2018-12-08 08:44:25,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:25,928 INFO L480 AbstractCegarLoop]: Abstraction has 2605 states and 6559 transitions. [2018-12-08 08:44:25,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 08:44:25,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 6559 transitions. [2018-12-08 08:44:25,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 08:44:25,930 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:25,930 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:25,930 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:25,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:25,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1332501510, now seen corresponding path program 1 times [2018-12-08 08:44:25,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:25,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:25,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:25,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:25,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:25,979 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 08:44:25,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:25,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 08:44:25,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:44:25,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:44:25,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:44:25,980 INFO L87 Difference]: Start difference. First operand 2605 states and 6559 transitions. Second operand 6 states. [2018-12-08 08:44:26,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:26,046 INFO L93 Difference]: Finished difference Result 2784 states and 6902 transitions. [2018-12-08 08:44:26,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 08:44:26,047 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-12-08 08:44:26,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:26,049 INFO L225 Difference]: With dead ends: 2784 [2018-12-08 08:44:26,049 INFO L226 Difference]: Without dead ends: 2784 [2018-12-08 08:44:26,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-08 08:44:26,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2018-12-08 08:44:26,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2638. [2018-12-08 08:44:26,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2638 states. [2018-12-08 08:44:26,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 6619 transitions. [2018-12-08 08:44:26,068 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 6619 transitions. Word has length 95 [2018-12-08 08:44:26,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:26,068 INFO L480 AbstractCegarLoop]: Abstraction has 2638 states and 6619 transitions. [2018-12-08 08:44:26,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:44:26,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 6619 transitions. [2018-12-08 08:44:26,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 08:44:26,069 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:26,069 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:44:26,070 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:26,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:26,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1002735749, now seen corresponding path program 1 times [2018-12-08 08:44:26,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:26,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:26,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:26,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:26,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:44:26,134 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 08:44:26,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:44:26,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 08:44:26,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 08:44:26,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 08:44:26,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:44:26,135 INFO L87 Difference]: Start difference. First operand 2638 states and 6619 transitions. Second operand 7 states. [2018-12-08 08:44:26,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:44:26,286 INFO L93 Difference]: Finished difference Result 4467 states and 11389 transitions. [2018-12-08 08:44:26,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 08:44:26,286 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-12-08 08:44:26,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:44:26,288 INFO L225 Difference]: With dead ends: 4467 [2018-12-08 08:44:26,288 INFO L226 Difference]: Without dead ends: 1858 [2018-12-08 08:44:26,288 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-08 08:44:26,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2018-12-08 08:44:26,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1858. [2018-12-08 08:44:26,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1858 states. [2018-12-08 08:44:26,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 4812 transitions. [2018-12-08 08:44:26,299 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 4812 transitions. Word has length 95 [2018-12-08 08:44:26,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:44:26,299 INFO L480 AbstractCegarLoop]: Abstraction has 1858 states and 4812 transitions. [2018-12-08 08:44:26,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 08:44:26,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 4812 transitions. [2018-12-08 08:44:26,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 08:44:26,301 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:44:26,301 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:44:26,301 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:44:26,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:44:26,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1809124577, now seen corresponding path program 2 times [2018-12-08 08:44:26,301 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:44:26,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:44:26,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:26,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:44:26,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:44:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:44:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:44:26,355 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 08:44:26,438 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-08 08:44:26,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:44:26 BasicIcfg [2018-12-08 08:44:26,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 08:44:26,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 08:44:26,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 08:44:26,439 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 08:44:26,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:44:13" (3/4) ... [2018-12-08 08:44:26,442 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 08:44:26,527 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5dd07ab2-dbd7-4529-8ebf-f6923e78fc08/bin-2019/uautomizer/witness.graphml [2018-12-08 08:44:26,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 08:44:26,528 INFO L168 Benchmark]: Toolchain (without parser) took 13644.13 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 956.0 MB in the beginning and 1.8 GB in the end (delta: -814.6 MB). Peak memory consumption was 855.3 MB. Max. memory is 11.5 GB. [2018-12-08 08:44:26,529 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:44:26,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2018-12-08 08:44:26,529 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 08:44:26,529 INFO L168 Benchmark]: Boogie Preprocessor took 19.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:44:26,529 INFO L168 Benchmark]: RCFGBuilder took 329.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-08 08:44:26,530 INFO L168 Benchmark]: TraceAbstraction took 12791.68 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -746.1 MB). Peak memory consumption was 789.0 MB. Max. memory is 11.5 GB. [2018-12-08 08:44:26,530 INFO L168 Benchmark]: Witness Printer took 88.36 ms. Allocated memory is still 2.7 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2018-12-08 08:44:26,531 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 376.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 329.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12791.68 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -746.1 MB). Peak memory consumption was 789.0 MB. Max. memory is 11.5 GB. * Witness Printer took 88.36 ms. Allocated memory is still 2.7 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L671] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L673] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L675] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L676] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L677] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L679] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L680] -1 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L681] -1 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L682] -1 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L683] -1 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L684] -1 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L685] -1 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0] [L686] -1 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L687] -1 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L688] -1 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0] [L689] -1 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L690] -1 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L691] -1 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L692] -1 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L693] -1 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L695] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L696] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L697] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L763] -1 pthread_t t1589; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L764] FCALL, FORK -1 pthread_create(&t1589, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L765] -1 pthread_t t1590; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L766] FCALL, FORK -1 pthread_create(&t1590, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L721] 0 x$w_buff1 = x$w_buff0 [L722] 0 x$w_buff0 = 2 [L723] 0 x$w_buff1_used = x$w_buff0_used [L724] 0 x$w_buff0_used = (_Bool)1 [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L726] 0 x$r_buff1_thd0 = x$r_buff0_thd0 [L727] 0 x$r_buff1_thd1 = x$r_buff0_thd1 [L728] 0 x$r_buff1_thd2 = x$r_buff0_thd2 [L729] 0 x$r_buff0_thd2 = (_Bool)1 [L732] 0 y = 1 [L735] 0 __unbuffered_p1_EAX = y [L738] 0 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L701] 1 y = 2 [L704] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L707] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L707] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x=1, y=2] [L707] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x)=1, x$w_buff1=0, x$w_buff1_used=0, x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x=1, y=2] [L707] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L708] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L708] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L709] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L709] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L710] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L710] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L711] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L711] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L714] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L741] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L741] 0 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L742] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L742] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L743] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L743] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L744] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L744] 0 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L745] EXPR 0 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L745] 0 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L748] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L768] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L772] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L772] EXPR -1 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L772] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L772] -1 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L773] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L773] -1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L774] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L774] -1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L775] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L775] -1 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L776] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L776] -1 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L779] -1 weak$$choice0 = __VERIFIER_nondet_pointer() [L780] -1 weak$$choice2 = __VERIFIER_nondet_pointer() [L781] -1 x$flush_delayed = weak$$choice2 [L782] -1 x$mem_tmp = x VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L783] EXPR -1 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L783] -1 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L784] EXPR -1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L784] -1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L785] EXPR -1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L785] -1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L786] EXPR -1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L786] -1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L787] EXPR -1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L787] -1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L788] EXPR -1 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L788] -1 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L789] EXPR -1 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L789] -1 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L790] -1 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 1) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L791] EXPR -1 x$flush_delayed ? x$mem_tmp : x VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L791] -1 x = x$flush_delayed ? x$mem_tmp : x [L792] -1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L4] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L4] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 180 locations, 3 error locations. UNSAFE Result, 12.7s OverallTime, 26 OverallIterations, 1 TraceHistogramMax, 6.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6080 SDtfs, 5517 SDslu, 13055 SDs, 0 SdLazy, 6535 SolverSat, 359 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 67 SyntacticMatches, 22 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37142occurred in iteration=2, 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: 3.6s AutomataMinimizationTime, 25 MinimizatonAttempts, 80470 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2098 NumberOfCodeBlocks, 2098 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1978 ConstructedInterpolants, 0 QuantifiedInterpolants, 417831 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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...