./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix048_tso.opt_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix048_tso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/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 c0c8faded955830cd36120935919c3f9dab9bfdd ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 11:24:56,210 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:24:56,212 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:24:56,219 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:24:56,219 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:24:56,220 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:24:56,221 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:24:56,222 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:24:56,223 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:24:56,224 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:24:56,225 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:24:56,225 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:24:56,226 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:24:56,226 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:24:56,227 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:24:56,228 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:24:56,228 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:24:56,230 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:24:56,231 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:24:56,232 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:24:56,233 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:24:56,234 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:24:56,235 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:24:56,236 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:24:56,236 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:24:56,236 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:24:56,237 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:24:56,238 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:24:56,238 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:24:56,239 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:24:56,239 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:24:56,240 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:24:56,240 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:24:56,240 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:24:56,241 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:24:56,241 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:24:56,241 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:24:56,251 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:24:56,251 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:24:56,251 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:24:56,252 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:24:56,252 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:24:56,252 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:24:56,252 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:24:56,252 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:24:56,253 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:24:56,253 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:24:56,253 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:24:56,253 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:24:56,253 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:24:56,253 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:24:56,253 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:24:56,253 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:24:56,253 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:24:56,253 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:24:56,254 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:24:56,254 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:24:56,254 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:24:56,254 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:24:56,254 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:24:56,254 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:24:56,254 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:24:56,254 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:24:56,255 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:24:56,255 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:24:56,255 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:24:56,255 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:24:56,255 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_b3724812-1430-447a-aa60-95ad52340806/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 -> c0c8faded955830cd36120935919c3f9dab9bfdd [2018-11-28 11:24:56,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:24:56,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:24:56,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:24:56,292 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:24:56,292 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:24:56,293 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/mix048_tso.opt_false-unreach-call.i [2018-11-28 11:24:56,335 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/bin-2019/uautomizer/data/d1bd40c5a/0d5462cf6dab4c058a1d89a8021e5ec2/FLAG096709e8d [2018-11-28 11:24:56,780 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:24:56,780 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/sv-benchmarks/c/pthread-wmm/mix048_tso.opt_false-unreach-call.i [2018-11-28 11:24:56,787 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/bin-2019/uautomizer/data/d1bd40c5a/0d5462cf6dab4c058a1d89a8021e5ec2/FLAG096709e8d [2018-11-28 11:24:56,797 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/bin-2019/uautomizer/data/d1bd40c5a/0d5462cf6dab4c058a1d89a8021e5ec2 [2018-11-28 11:24:56,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:24:56,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:24:56,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:24:56,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:24:56,803 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:24:56,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:56" (1/1) ... [2018-11-28 11:24:56,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e115a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:56, skipping insertion in model container [2018-11-28 11:24:56,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:56" (1/1) ... [2018-11-28 11:24:56,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:24:56,838 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:24:57,073 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:24:57,085 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:24:57,181 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:24:57,216 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:24:57,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:57 WrapperNode [2018-11-28 11:24:57,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:24:57,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:24:57,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:24:57,217 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:24:57,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:57" (1/1) ... [2018-11-28 11:24:57,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:57" (1/1) ... [2018-11-28 11:24:57,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:24:57,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:24:57,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:24:57,258 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:24:57,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:57" (1/1) ... [2018-11-28 11:24:57,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:57" (1/1) ... [2018-11-28 11:24:57,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:57" (1/1) ... [2018-11-28 11:24:57,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:57" (1/1) ... [2018-11-28 11:24:57,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:57" (1/1) ... [2018-11-28 11:24:57,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:57" (1/1) ... [2018-11-28 11:24:57,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:57" (1/1) ... [2018-11-28 11:24:57,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:24:57,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:24:57,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:24:57,287 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:24:57,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/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 [2018-11-28 11:24:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:24:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:24:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-28 11:24:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:24:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-28 11:24:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-28 11:24:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-28 11:24:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-28 11:24:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-28 11:24:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:24:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:24:57,344 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 11:24:57,831 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:24:57,831 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 11:24:57,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:57 BoogieIcfgContainer [2018-11-28 11:24:57,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:24:57,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:24:57,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:24:57,835 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:24:57,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:24:56" (1/3) ... [2018-11-28 11:24:57,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119f80ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:24:57, skipping insertion in model container [2018-11-28 11:24:57,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:57" (2/3) ... [2018-11-28 11:24:57,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119f80ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:24:57, skipping insertion in model container [2018-11-28 11:24:57,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:57" (3/3) ... [2018-11-28 11:24:57,838 INFO L112 eAbstractionObserver]: Analyzing ICFG mix048_tso.opt_false-unreach-call.i [2018-11-28 11:24:57,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,867 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,868 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,868 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,868 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,868 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,868 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,868 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,869 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,870 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,871 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,874 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,874 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,874 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,874 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,874 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,874 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,875 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,876 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,876 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,876 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,877 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,878 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,879 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,880 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,881 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,882 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,883 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,883 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,883 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,883 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,883 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,883 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,883 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,884 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,884 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,884 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,884 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,884 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,884 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,884 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,884 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,885 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,885 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,885 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,885 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,885 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,885 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,885 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,886 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,886 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,886 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,886 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,886 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,886 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,887 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,887 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,887 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,887 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,887 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,887 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,888 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,888 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,888 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,888 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,888 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,888 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,888 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,889 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,889 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,889 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,889 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,889 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,889 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,889 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,890 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,890 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,890 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,890 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,890 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,890 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,891 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,891 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,891 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,891 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,891 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,891 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,892 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,892 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,892 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,892 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,892 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,893 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,893 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,893 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,893 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,893 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,893 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,894 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,894 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:24:57,908 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 11:24:57,909 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:24:57,915 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-28 11:24:57,926 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-28 11:24:57,944 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:24:57,945 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:24:57,945 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:24:57,945 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:24:57,945 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:24:57,945 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:24:57,945 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:24:57,946 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:24:57,946 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:24:57,954 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 142places, 180 transitions [2018-11-28 11:24:59,868 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34806 states. [2018-11-28 11:24:59,870 INFO L276 IsEmpty]: Start isEmpty. Operand 34806 states. [2018-11-28 11:24:59,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-28 11:24:59,875 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:24:59,875 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:24:59,877 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:24:59,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:24:59,881 INFO L82 PathProgramCache]: Analyzing trace with hash -454041356, now seen corresponding path program 1 times [2018-11-28 11:24:59,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:24:59,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:24:59,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:59,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:24:59,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:00,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:00,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:00,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:25:00,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:25:00,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:25:00,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:25:00,060 INFO L87 Difference]: Start difference. First operand 34806 states. Second operand 4 states. [2018-11-28 11:25:00,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:00,644 INFO L93 Difference]: Finished difference Result 60790 states and 234493 transitions. [2018-11-28 11:25:00,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:25:00,646 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-11-28 11:25:00,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:00,869 INFO L225 Difference]: With dead ends: 60790 [2018-11-28 11:25:00,869 INFO L226 Difference]: Without dead ends: 44270 [2018-11-28 11:25:00,870 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:25:01,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44270 states. [2018-11-28 11:25:01,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44270 to 27338. [2018-11-28 11:25:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27338 states. [2018-11-28 11:25:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27338 states to 27338 states and 105499 transitions. [2018-11-28 11:25:01,795 INFO L78 Accepts]: Start accepts. Automaton has 27338 states and 105499 transitions. Word has length 33 [2018-11-28 11:25:01,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:01,795 INFO L480 AbstractCegarLoop]: Abstraction has 27338 states and 105499 transitions. [2018-11-28 11:25:01,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:25:01,796 INFO L276 IsEmpty]: Start isEmpty. Operand 27338 states and 105499 transitions. [2018-11-28 11:25:01,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-28 11:25:01,801 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:01,802 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:01,802 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:01,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:01,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1863363909, now seen corresponding path program 1 times [2018-11-28 11:25:01,803 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:01,803 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:01,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:01,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:01,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:01,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:01,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:01,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:25:01,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:25:01,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:25:01,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:25:01,883 INFO L87 Difference]: Start difference. First operand 27338 states and 105499 transitions. Second operand 4 states. [2018-11-28 11:25:01,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:01,999 INFO L93 Difference]: Finished difference Result 8528 states and 28344 transitions. [2018-11-28 11:25:01,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:25:02,000 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-11-28 11:25:02,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:02,019 INFO L225 Difference]: With dead ends: 8528 [2018-11-28 11:25:02,020 INFO L226 Difference]: Without dead ends: 7466 [2018-11-28 11:25:02,020 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 [2018-11-28 11:25:02,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7466 states. [2018-11-28 11:25:02,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7466 to 7466. [2018-11-28 11:25:02,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7466 states. [2018-11-28 11:25:02,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 24636 transitions. [2018-11-28 11:25:02,157 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 24636 transitions. Word has length 45 [2018-11-28 11:25:02,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:02,157 INFO L480 AbstractCegarLoop]: Abstraction has 7466 states and 24636 transitions. [2018-11-28 11:25:02,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:25:02,158 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 24636 transitions. [2018-11-28 11:25:02,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 11:25:02,158 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:02,158 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:02,159 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:02,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:02,159 INFO L82 PathProgramCache]: Analyzing trace with hash 591681941, now seen corresponding path program 1 times [2018-11-28 11:25:02,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:02,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:02,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:02,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:02,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:02,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:02,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:02,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:25:02,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:25:02,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:25:02,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:25:02,223 INFO L87 Difference]: Start difference. First operand 7466 states and 24636 transitions. Second operand 5 states. [2018-11-28 11:25:02,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:02,488 INFO L93 Difference]: Finished difference Result 13998 states and 45805 transitions. [2018-11-28 11:25:02,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:25:02,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2018-11-28 11:25:02,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:02,519 INFO L225 Difference]: With dead ends: 13998 [2018-11-28 11:25:02,519 INFO L226 Difference]: Without dead ends: 13930 [2018-11-28 11:25:02,520 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 [2018-11-28 11:25:02,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13930 states. [2018-11-28 11:25:02,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13930 to 9441. [2018-11-28 11:25:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9441 states. [2018-11-28 11:25:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9441 states to 9441 states and 30542 transitions. [2018-11-28 11:25:02,747 INFO L78 Accepts]: Start accepts. Automaton has 9441 states and 30542 transitions. Word has length 46 [2018-11-28 11:25:02,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:02,748 INFO L480 AbstractCegarLoop]: Abstraction has 9441 states and 30542 transitions. [2018-11-28 11:25:02,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:25:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 9441 states and 30542 transitions. [2018-11-28 11:25:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-28 11:25:02,749 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:02,750 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:02,750 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:02,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:02,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1652121253, now seen corresponding path program 1 times [2018-11-28 11:25:02,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:02,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:02,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:02,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:02,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:02,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:02,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:25:02,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:25:02,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:25:02,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:02,795 INFO L87 Difference]: Start difference. First operand 9441 states and 30542 transitions. Second operand 3 states. [2018-11-28 11:25:02,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:02,867 INFO L93 Difference]: Finished difference Result 13279 states and 42641 transitions. [2018-11-28 11:25:02,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:25:02,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-28 11:25:02,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:02,885 INFO L225 Difference]: With dead ends: 13279 [2018-11-28 11:25:02,885 INFO L226 Difference]: Without dead ends: 13279 [2018-11-28 11:25:02,885 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:02,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13279 states. [2018-11-28 11:25:03,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13279 to 9845. [2018-11-28 11:25:03,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9845 states. [2018-11-28 11:25:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9845 states to 9845 states and 31508 transitions. [2018-11-28 11:25:03,017 INFO L78 Accepts]: Start accepts. Automaton has 9845 states and 31508 transitions. Word has length 48 [2018-11-28 11:25:03,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:03,017 INFO L480 AbstractCegarLoop]: Abstraction has 9845 states and 31508 transitions. [2018-11-28 11:25:03,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:25:03,018 INFO L276 IsEmpty]: Start isEmpty. Operand 9845 states and 31508 transitions. [2018-11-28 11:25:03,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:25:03,019 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:03,019 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:03,019 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:03,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:03,020 INFO L82 PathProgramCache]: Analyzing trace with hash -164023066, now seen corresponding path program 1 times [2018-11-28 11:25:03,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:03,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:03,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:03,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:03,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:03,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:03,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:25:03,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:25:03,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:25:03,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:25:03,106 INFO L87 Difference]: Start difference. First operand 9845 states and 31508 transitions. Second operand 7 states. [2018-11-28 11:25:03,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:03,537 INFO L93 Difference]: Finished difference Result 12285 states and 38673 transitions. [2018-11-28 11:25:03,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 11:25:03,538 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 11:25:03,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:03,557 INFO L225 Difference]: With dead ends: 12285 [2018-11-28 11:25:03,557 INFO L226 Difference]: Without dead ends: 12213 [2018-11-28 11:25:03,557 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-11-28 11:25:03,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12213 states. [2018-11-28 11:25:03,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12213 to 10849. [2018-11-28 11:25:03,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10849 states. [2018-11-28 11:25:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10849 states to 10849 states and 34563 transitions. [2018-11-28 11:25:03,692 INFO L78 Accepts]: Start accepts. Automaton has 10849 states and 34563 transitions. Word has length 52 [2018-11-28 11:25:03,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:03,692 INFO L480 AbstractCegarLoop]: Abstraction has 10849 states and 34563 transitions. [2018-11-28 11:25:03,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:25:03,692 INFO L276 IsEmpty]: Start isEmpty. Operand 10849 states and 34563 transitions. [2018-11-28 11:25:03,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 11:25:03,696 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:03,696 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:03,697 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:03,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:03,697 INFO L82 PathProgramCache]: Analyzing trace with hash 317195842, now seen corresponding path program 1 times [2018-11-28 11:25:03,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:03,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:03,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:03,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:03,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:03,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:03,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:25:03,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:25:03,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:25:03,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:25:03,753 INFO L87 Difference]: Start difference. First operand 10849 states and 34563 transitions. Second operand 4 states. [2018-11-28 11:25:03,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:03,843 INFO L93 Difference]: Finished difference Result 12396 states and 39572 transitions. [2018-11-28 11:25:03,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:25:03,843 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-11-28 11:25:03,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:03,857 INFO L225 Difference]: With dead ends: 12396 [2018-11-28 11:25:03,858 INFO L226 Difference]: Without dead ends: 12396 [2018-11-28 11:25:03,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:25:03,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12396 states. [2018-11-28 11:25:03,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12396 to 11369. [2018-11-28 11:25:03,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11369 states. [2018-11-28 11:25:03,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11369 states to 11369 states and 36236 transitions. [2018-11-28 11:25:03,998 INFO L78 Accepts]: Start accepts. Automaton has 11369 states and 36236 transitions. Word has length 60 [2018-11-28 11:25:03,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:03,998 INFO L480 AbstractCegarLoop]: Abstraction has 11369 states and 36236 transitions. [2018-11-28 11:25:03,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:25:03,998 INFO L276 IsEmpty]: Start isEmpty. Operand 11369 states and 36236 transitions. [2018-11-28 11:25:04,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 11:25:04,002 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:04,002 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:04,003 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:04,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:04,003 INFO L82 PathProgramCache]: Analyzing trace with hash 2060006177, now seen corresponding path program 1 times [2018-11-28 11:25:04,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:04,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:04,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:04,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:04,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:04,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:04,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:25:04,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:25:04,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:25:04,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:25:04,080 INFO L87 Difference]: Start difference. First operand 11369 states and 36236 transitions. Second operand 6 states. [2018-11-28 11:25:04,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:04,375 INFO L93 Difference]: Finished difference Result 20969 states and 66486 transitions. [2018-11-28 11:25:04,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 11:25:04,375 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-28 11:25:04,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:04,403 INFO L225 Difference]: With dead ends: 20969 [2018-11-28 11:25:04,403 INFO L226 Difference]: Without dead ends: 20898 [2018-11-28 11:25:04,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-11-28 11:25:04,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20898 states. [2018-11-28 11:25:04,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20898 to 13755. [2018-11-28 11:25:04,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13755 states. [2018-11-28 11:25:04,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13755 states to 13755 states and 43280 transitions. [2018-11-28 11:25:04,682 INFO L78 Accepts]: Start accepts. Automaton has 13755 states and 43280 transitions. Word has length 60 [2018-11-28 11:25:04,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:04,682 INFO L480 AbstractCegarLoop]: Abstraction has 13755 states and 43280 transitions. [2018-11-28 11:25:04,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:25:04,683 INFO L276 IsEmpty]: Start isEmpty. Operand 13755 states and 43280 transitions. [2018-11-28 11:25:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 11:25:04,688 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:04,688 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:04,688 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:04,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:04,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1699576415, now seen corresponding path program 1 times [2018-11-28 11:25:04,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:04,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:04,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:04,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:04,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:04,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:04,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:04,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:25:04,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:25:04,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:25:04,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:25:04,757 INFO L87 Difference]: Start difference. First operand 13755 states and 43280 transitions. Second operand 4 states. [2018-11-28 11:25:04,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:04,976 INFO L93 Difference]: Finished difference Result 17635 states and 54585 transitions. [2018-11-28 11:25:04,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:25:04,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-11-28 11:25:04,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:04,996 INFO L225 Difference]: With dead ends: 17635 [2018-11-28 11:25:04,996 INFO L226 Difference]: Without dead ends: 17635 [2018-11-28 11:25:04,996 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 [2018-11-28 11:25:05,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17635 states. [2018-11-28 11:25:05,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17635 to 15793. [2018-11-28 11:25:05,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15793 states. [2018-11-28 11:25:05,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15793 states to 15793 states and 49131 transitions. [2018-11-28 11:25:05,177 INFO L78 Accepts]: Start accepts. Automaton has 15793 states and 49131 transitions. Word has length 64 [2018-11-28 11:25:05,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:05,177 INFO L480 AbstractCegarLoop]: Abstraction has 15793 states and 49131 transitions. [2018-11-28 11:25:05,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:25:05,178 INFO L276 IsEmpty]: Start isEmpty. Operand 15793 states and 49131 transitions. [2018-11-28 11:25:05,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 11:25:05,183 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:05,183 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:05,183 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:05,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:05,183 INFO L82 PathProgramCache]: Analyzing trace with hash -377632928, now seen corresponding path program 1 times [2018-11-28 11:25:05,183 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:05,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:05,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:05,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:05,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:05,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:05,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:05,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:25:05,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:25:05,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:25:05,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:05,239 INFO L87 Difference]: Start difference. First operand 15793 states and 49131 transitions. Second operand 3 states. [2018-11-28 11:25:05,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:05,442 INFO L93 Difference]: Finished difference Result 16385 states and 50738 transitions. [2018-11-28 11:25:05,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:25:05,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-11-28 11:25:05,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:05,470 INFO L225 Difference]: With dead ends: 16385 [2018-11-28 11:25:05,470 INFO L226 Difference]: Without dead ends: 16385 [2018-11-28 11:25:05,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:05,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16385 states. [2018-11-28 11:25:05,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16385 to 16109. [2018-11-28 11:25:05,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16109 states. [2018-11-28 11:25:05,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16109 states to 16109 states and 49981 transitions. [2018-11-28 11:25:05,644 INFO L78 Accepts]: Start accepts. Automaton has 16109 states and 49981 transitions. Word has length 64 [2018-11-28 11:25:05,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:05,644 INFO L480 AbstractCegarLoop]: Abstraction has 16109 states and 49981 transitions. [2018-11-28 11:25:05,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:25:05,644 INFO L276 IsEmpty]: Start isEmpty. Operand 16109 states and 49981 transitions. [2018-11-28 11:25:05,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 11:25:05,650 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:05,650 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:05,650 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:05,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:05,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1938632710, now seen corresponding path program 1 times [2018-11-28 11:25:05,650 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:05,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:05,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:05,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:05,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:05,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:05,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:25:05,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:25:05,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:25:05,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:25:05,731 INFO L87 Difference]: Start difference. First operand 16109 states and 49981 transitions. Second operand 6 states. [2018-11-28 11:25:06,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:06,393 INFO L93 Difference]: Finished difference Result 19821 states and 60437 transitions. [2018-11-28 11:25:06,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:25:06,394 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-11-28 11:25:06,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:06,413 INFO L225 Difference]: With dead ends: 19821 [2018-11-28 11:25:06,413 INFO L226 Difference]: Without dead ends: 19821 [2018-11-28 11:25:06,413 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 [2018-11-28 11:25:06,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19821 states. [2018-11-28 11:25:06,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19821 to 18617. [2018-11-28 11:25:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18617 states. [2018-11-28 11:25:06,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18617 states to 18617 states and 57217 transitions. [2018-11-28 11:25:06,612 INFO L78 Accepts]: Start accepts. Automaton has 18617 states and 57217 transitions. Word has length 66 [2018-11-28 11:25:06,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:06,612 INFO L480 AbstractCegarLoop]: Abstraction has 18617 states and 57217 transitions. [2018-11-28 11:25:06,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:25:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 18617 states and 57217 transitions. [2018-11-28 11:25:06,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 11:25:06,619 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:06,619 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:06,619 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:06,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:06,619 INFO L82 PathProgramCache]: Analyzing trace with hash -138576633, now seen corresponding path program 1 times [2018-11-28 11:25:06,619 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:06,619 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:06,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:06,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:06,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:06,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:06,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:06,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:25:06,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:25:06,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:25:06,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:25:06,705 INFO L87 Difference]: Start difference. First operand 18617 states and 57217 transitions. Second operand 6 states. [2018-11-28 11:25:06,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:06,970 INFO L93 Difference]: Finished difference Result 21449 states and 63626 transitions. [2018-11-28 11:25:06,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:25:06,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-11-28 11:25:06,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:06,992 INFO L225 Difference]: With dead ends: 21449 [2018-11-28 11:25:06,992 INFO L226 Difference]: Without dead ends: 21449 [2018-11-28 11:25:06,992 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 [2018-11-28 11:25:07,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21449 states. [2018-11-28 11:25:07,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21449 to 19133. [2018-11-28 11:25:07,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19133 states. [2018-11-28 11:25:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19133 states to 19133 states and 57764 transitions. [2018-11-28 11:25:07,201 INFO L78 Accepts]: Start accepts. Automaton has 19133 states and 57764 transitions. Word has length 66 [2018-11-28 11:25:07,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:07,202 INFO L480 AbstractCegarLoop]: Abstraction has 19133 states and 57764 transitions. [2018-11-28 11:25:07,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:25:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 19133 states and 57764 transitions. [2018-11-28 11:25:07,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 11:25:07,208 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:07,209 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:07,209 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:07,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:07,209 INFO L82 PathProgramCache]: Analyzing trace with hash 72774280, now seen corresponding path program 1 times [2018-11-28 11:25:07,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:07,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:07,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:07,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:07,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:07,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:07,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:25:07,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:25:07,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:25:07,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:25:07,270 INFO L87 Difference]: Start difference. First operand 19133 states and 57764 transitions. Second operand 5 states. [2018-11-28 11:25:07,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:07,526 INFO L93 Difference]: Finished difference Result 25024 states and 75018 transitions. [2018-11-28 11:25:07,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:25:07,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-11-28 11:25:07,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:07,555 INFO L225 Difference]: With dead ends: 25024 [2018-11-28 11:25:07,555 INFO L226 Difference]: Without dead ends: 25024 [2018-11-28 11:25:07,555 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:25:07,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25024 states. [2018-11-28 11:25:07,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25024 to 22709. [2018-11-28 11:25:07,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22709 states. [2018-11-28 11:25:07,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22709 states to 22709 states and 68032 transitions. [2018-11-28 11:25:07,818 INFO L78 Accepts]: Start accepts. Automaton has 22709 states and 68032 transitions. Word has length 66 [2018-11-28 11:25:07,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:07,819 INFO L480 AbstractCegarLoop]: Abstraction has 22709 states and 68032 transitions. [2018-11-28 11:25:07,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:25:07,819 INFO L276 IsEmpty]: Start isEmpty. Operand 22709 states and 68032 transitions. [2018-11-28 11:25:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 11:25:07,829 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:07,829 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:07,829 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:07,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:07,829 INFO L82 PathProgramCache]: Analyzing trace with hash -437759897, now seen corresponding path program 1 times [2018-11-28 11:25:07,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:07,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:07,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:07,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:07,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:07,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:07,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:25:07,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:25:07,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:25:07,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:25:07,888 INFO L87 Difference]: Start difference. First operand 22709 states and 68032 transitions. Second operand 4 states. [2018-11-28 11:25:08,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:08,243 INFO L93 Difference]: Finished difference Result 31689 states and 95699 transitions. [2018-11-28 11:25:08,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:25:08,243 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-11-28 11:25:08,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:08,285 INFO L225 Difference]: With dead ends: 31689 [2018-11-28 11:25:08,285 INFO L226 Difference]: Without dead ends: 31537 [2018-11-28 11:25:08,285 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 [2018-11-28 11:25:08,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31537 states. [2018-11-28 11:25:08,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31537 to 28553. [2018-11-28 11:25:08,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28553 states. [2018-11-28 11:25:08,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28553 states to 28553 states and 86263 transitions. [2018-11-28 11:25:08,764 INFO L78 Accepts]: Start accepts. Automaton has 28553 states and 86263 transitions. Word has length 66 [2018-11-28 11:25:08,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:08,764 INFO L480 AbstractCegarLoop]: Abstraction has 28553 states and 86263 transitions. [2018-11-28 11:25:08,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:25:08,765 INFO L276 IsEmpty]: Start isEmpty. Operand 28553 states and 86263 transitions. [2018-11-28 11:25:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 11:25:08,773 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:08,773 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:08,774 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:08,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:08,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1369694566, now seen corresponding path program 1 times [2018-11-28 11:25:08,774 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:08,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:08,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:08,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:08,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:08,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:08,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:25:08,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:25:08,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:25:08,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:25:08,849 INFO L87 Difference]: Start difference. First operand 28553 states and 86263 transitions. Second operand 5 states. [2018-11-28 11:25:09,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:09,197 INFO L93 Difference]: Finished difference Result 40195 states and 119844 transitions. [2018-11-28 11:25:09,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:25:09,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-11-28 11:25:09,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:09,244 INFO L225 Difference]: With dead ends: 40195 [2018-11-28 11:25:09,244 INFO L226 Difference]: Without dead ends: 39987 [2018-11-28 11:25:09,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:25:09,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39987 states. [2018-11-28 11:25:09,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39987 to 35807. [2018-11-28 11:25:09,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35807 states. [2018-11-28 11:25:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35807 states to 35807 states and 107399 transitions. [2018-11-28 11:25:09,658 INFO L78 Accepts]: Start accepts. Automaton has 35807 states and 107399 transitions. Word has length 66 [2018-11-28 11:25:09,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:09,658 INFO L480 AbstractCegarLoop]: Abstraction has 35807 states and 107399 transitions. [2018-11-28 11:25:09,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:25:09,659 INFO L276 IsEmpty]: Start isEmpty. Operand 35807 states and 107399 transitions. [2018-11-28 11:25:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 11:25:09,667 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:09,668 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:09,668 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:09,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:09,668 INFO L82 PathProgramCache]: Analyzing trace with hash 2060256040, now seen corresponding path program 1 times [2018-11-28 11:25:09,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:09,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:09,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:09,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:09,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:09,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:09,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:09,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:25:09,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:25:09,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:25:09,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:25:09,770 INFO L87 Difference]: Start difference. First operand 35807 states and 107399 transitions. Second operand 9 states. [2018-11-28 11:25:10,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:10,465 INFO L93 Difference]: Finished difference Result 44023 states and 131291 transitions. [2018-11-28 11:25:10,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 11:25:10,465 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2018-11-28 11:25:10,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:10,523 INFO L225 Difference]: With dead ends: 44023 [2018-11-28 11:25:10,523 INFO L226 Difference]: Without dead ends: 44023 [2018-11-28 11:25:10,523 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-11-28 11:25:10,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44023 states. [2018-11-28 11:25:10,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44023 to 38973. [2018-11-28 11:25:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38973 states. [2018-11-28 11:25:11,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38973 states to 38973 states and 116711 transitions. [2018-11-28 11:25:11,152 INFO L78 Accepts]: Start accepts. Automaton has 38973 states and 116711 transitions. Word has length 66 [2018-11-28 11:25:11,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:11,153 INFO L480 AbstractCegarLoop]: Abstraction has 38973 states and 116711 transitions. [2018-11-28 11:25:11,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:25:11,153 INFO L276 IsEmpty]: Start isEmpty. Operand 38973 states and 116711 transitions. [2018-11-28 11:25:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 11:25:11,162 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:11,162 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:11,162 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:11,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:11,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1347207575, now seen corresponding path program 1 times [2018-11-28 11:25:11,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:11,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:11,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:11,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:11,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:11,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:11,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:11,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:25:11,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:25:11,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:25:11,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:25:11,202 INFO L87 Difference]: Start difference. First operand 38973 states and 116711 transitions. Second operand 5 states. [2018-11-28 11:25:11,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:11,244 INFO L93 Difference]: Finished difference Result 9637 states and 23357 transitions. [2018-11-28 11:25:11,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:25:11,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-11-28 11:25:11,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:11,250 INFO L225 Difference]: With dead ends: 9637 [2018-11-28 11:25:11,250 INFO L226 Difference]: Without dead ends: 7669 [2018-11-28 11:25:11,250 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 [2018-11-28 11:25:11,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7669 states. [2018-11-28 11:25:11,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7669 to 6276. [2018-11-28 11:25:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6276 states. [2018-11-28 11:25:11,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6276 states to 6276 states and 14833 transitions. [2018-11-28 11:25:11,303 INFO L78 Accepts]: Start accepts. Automaton has 6276 states and 14833 transitions. Word has length 66 [2018-11-28 11:25:11,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:11,303 INFO L480 AbstractCegarLoop]: Abstraction has 6276 states and 14833 transitions. [2018-11-28 11:25:11,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:25:11,303 INFO L276 IsEmpty]: Start isEmpty. Operand 6276 states and 14833 transitions. [2018-11-28 11:25:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 11:25:11,308 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:11,308 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:11,308 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:11,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:11,309 INFO L82 PathProgramCache]: Analyzing trace with hash 890203314, now seen corresponding path program 1 times [2018-11-28 11:25:11,309 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:11,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:11,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:11,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:11,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:11,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:11,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:11,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:25:11,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:25:11,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:25:11,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:11,341 INFO L87 Difference]: Start difference. First operand 6276 states and 14833 transitions. Second operand 3 states. [2018-11-28 11:25:11,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:11,365 INFO L93 Difference]: Finished difference Result 8733 states and 20570 transitions. [2018-11-28 11:25:11,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:25:11,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-11-28 11:25:11,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:11,374 INFO L225 Difference]: With dead ends: 8733 [2018-11-28 11:25:11,374 INFO L226 Difference]: Without dead ends: 8733 [2018-11-28 11:25:11,374 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:11,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8733 states. [2018-11-28 11:25:11,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8733 to 6213. [2018-11-28 11:25:11,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6213 states. [2018-11-28 11:25:11,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6213 states to 6213 states and 14371 transitions. [2018-11-28 11:25:11,449 INFO L78 Accepts]: Start accepts. Automaton has 6213 states and 14371 transitions. Word has length 66 [2018-11-28 11:25:11,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:11,449 INFO L480 AbstractCegarLoop]: Abstraction has 6213 states and 14371 transitions. [2018-11-28 11:25:11,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:25:11,449 INFO L276 IsEmpty]: Start isEmpty. Operand 6213 states and 14371 transitions. [2018-11-28 11:25:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-28 11:25:11,453 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:11,453 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:11,453 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:11,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:11,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1181781029, now seen corresponding path program 1 times [2018-11-28 11:25:11,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:11,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:11,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:11,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:11,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:11,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:11,485 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:11,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:25:11,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:25:11,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:25:11,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:25:11,486 INFO L87 Difference]: Start difference. First operand 6213 states and 14371 transitions. Second operand 5 states. [2018-11-28 11:25:11,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:11,572 INFO L93 Difference]: Finished difference Result 7383 states and 17012 transitions. [2018-11-28 11:25:11,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:25:11,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-11-28 11:25:11,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:11,577 INFO L225 Difference]: With dead ends: 7383 [2018-11-28 11:25:11,578 INFO L226 Difference]: Without dead ends: 7383 [2018-11-28 11:25:11,578 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:25:11,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2018-11-28 11:25:11,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 6657. [2018-11-28 11:25:11,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6657 states. [2018-11-28 11:25:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6657 states to 6657 states and 15375 transitions. [2018-11-28 11:25:11,629 INFO L78 Accepts]: Start accepts. Automaton has 6657 states and 15375 transitions. Word has length 72 [2018-11-28 11:25:11,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:11,630 INFO L480 AbstractCegarLoop]: Abstraction has 6657 states and 15375 transitions. [2018-11-28 11:25:11,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:25:11,630 INFO L276 IsEmpty]: Start isEmpty. Operand 6657 states and 15375 transitions. [2018-11-28 11:25:11,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-28 11:25:11,633 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:11,633 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:11,634 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:11,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:11,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1370375932, now seen corresponding path program 1 times [2018-11-28 11:25:11,634 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:11,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:11,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:11,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:11,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:11,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:11,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:25:11,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:25:11,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:25:11,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:25:11,747 INFO L87 Difference]: Start difference. First operand 6657 states and 15375 transitions. Second operand 9 states. [2018-11-28 11:25:12,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:12,375 INFO L93 Difference]: Finished difference Result 8851 states and 20272 transitions. [2018-11-28 11:25:12,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 11:25:12,376 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2018-11-28 11:25:12,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:12,384 INFO L225 Difference]: With dead ends: 8851 [2018-11-28 11:25:12,384 INFO L226 Difference]: Without dead ends: 8732 [2018-11-28 11:25:12,384 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-28 11:25:12,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8732 states. [2018-11-28 11:25:12,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8732 to 6746. [2018-11-28 11:25:12,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6746 states. [2018-11-28 11:25:12,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6746 states to 6746 states and 15444 transitions. [2018-11-28 11:25:12,470 INFO L78 Accepts]: Start accepts. Automaton has 6746 states and 15444 transitions. Word has length 72 [2018-11-28 11:25:12,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:12,470 INFO L480 AbstractCegarLoop]: Abstraction has 6746 states and 15444 transitions. [2018-11-28 11:25:12,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:25:12,470 INFO L276 IsEmpty]: Start isEmpty. Operand 6746 states and 15444 transitions. [2018-11-28 11:25:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-28 11:25:12,477 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:12,477 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:12,478 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:12,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:12,478 INFO L82 PathProgramCache]: Analyzing trace with hash 342181544, now seen corresponding path program 1 times [2018-11-28 11:25:12,478 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:12,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:12,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:12,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:12,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:12,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:12,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:25:12,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:25:12,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:25:12,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:12,515 INFO L87 Difference]: Start difference. First operand 6746 states and 15444 transitions. Second operand 3 states. [2018-11-28 11:25:12,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:12,662 INFO L93 Difference]: Finished difference Result 8422 states and 18970 transitions. [2018-11-28 11:25:12,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:25:12,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2018-11-28 11:25:12,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:12,671 INFO L225 Difference]: With dead ends: 8422 [2018-11-28 11:25:12,671 INFO L226 Difference]: Without dead ends: 8422 [2018-11-28 11:25:12,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:12,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8422 states. [2018-11-28 11:25:12,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8422 to 7857. [2018-11-28 11:25:12,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7857 states. [2018-11-28 11:25:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7857 states to 7857 states and 17760 transitions. [2018-11-28 11:25:12,743 INFO L78 Accepts]: Start accepts. Automaton has 7857 states and 17760 transitions. Word has length 91 [2018-11-28 11:25:12,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:12,743 INFO L480 AbstractCegarLoop]: Abstraction has 7857 states and 17760 transitions. [2018-11-28 11:25:12,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:25:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 7857 states and 17760 transitions. [2018-11-28 11:25:12,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-28 11:25:12,749 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:12,749 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:12,749 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:12,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:12,749 INFO L82 PathProgramCache]: Analyzing trace with hash 39095599, now seen corresponding path program 1 times [2018-11-28 11:25:12,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:12,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:12,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:12,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:12,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:12,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:12,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:25:12,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:25:12,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:25:12,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:25:12,793 INFO L87 Difference]: Start difference. First operand 7857 states and 17760 transitions. Second operand 4 states. [2018-11-28 11:25:12,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:12,859 INFO L93 Difference]: Finished difference Result 8431 states and 19074 transitions. [2018-11-28 11:25:12,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:25:12,860 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2018-11-28 11:25:12,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:12,866 INFO L225 Difference]: With dead ends: 8431 [2018-11-28 11:25:12,866 INFO L226 Difference]: Without dead ends: 8431 [2018-11-28 11:25:12,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:25:12,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8431 states. [2018-11-28 11:25:12,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8431 to 7772. [2018-11-28 11:25:12,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7772 states. [2018-11-28 11:25:12,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7772 states to 7772 states and 17676 transitions. [2018-11-28 11:25:12,930 INFO L78 Accepts]: Start accepts. Automaton has 7772 states and 17676 transitions. Word has length 91 [2018-11-28 11:25:12,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:12,930 INFO L480 AbstractCegarLoop]: Abstraction has 7772 states and 17676 transitions. [2018-11-28 11:25:12,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:25:12,930 INFO L276 IsEmpty]: Start isEmpty. Operand 7772 states and 17676 transitions. [2018-11-28 11:25:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 11:25:12,936 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:12,936 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:12,936 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:12,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:12,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1745561198, now seen corresponding path program 1 times [2018-11-28 11:25:12,937 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:12,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:12,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:12,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:12,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:12,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:12,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:25:12,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:25:12,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:25:12,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:25:12,989 INFO L87 Difference]: Start difference. First operand 7772 states and 17676 transitions. Second operand 5 states. [2018-11-28 11:25:13,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:13,067 INFO L93 Difference]: Finished difference Result 8948 states and 20243 transitions. [2018-11-28 11:25:13,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:25:13,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-11-28 11:25:13,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:13,076 INFO L225 Difference]: With dead ends: 8948 [2018-11-28 11:25:13,076 INFO L226 Difference]: Without dead ends: 8948 [2018-11-28 11:25:13,076 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:25:13,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8948 states. [2018-11-28 11:25:13,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8948 to 6902. [2018-11-28 11:25:13,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6902 states. [2018-11-28 11:25:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6902 states to 6902 states and 15741 transitions. [2018-11-28 11:25:13,137 INFO L78 Accepts]: Start accepts. Automaton has 6902 states and 15741 transitions. Word has length 93 [2018-11-28 11:25:13,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:13,137 INFO L480 AbstractCegarLoop]: Abstraction has 6902 states and 15741 transitions. [2018-11-28 11:25:13,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:25:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 6902 states and 15741 transitions. [2018-11-28 11:25:13,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 11:25:13,141 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:13,141 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:13,142 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:13,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:13,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1490824653, now seen corresponding path program 1 times [2018-11-28 11:25:13,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:13,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:13,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:13,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:13,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:13,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:13,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:25:13,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:25:13,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:25:13,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:25:13,184 INFO L87 Difference]: Start difference. First operand 6902 states and 15741 transitions. Second operand 5 states. [2018-11-28 11:25:13,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:13,465 INFO L93 Difference]: Finished difference Result 11458 states and 26340 transitions. [2018-11-28 11:25:13,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:25:13,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-11-28 11:25:13,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:13,473 INFO L225 Difference]: With dead ends: 11458 [2018-11-28 11:25:13,473 INFO L226 Difference]: Without dead ends: 11380 [2018-11-28 11:25:13,474 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:25:13,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11380 states. [2018-11-28 11:25:13,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11380 to 8056. [2018-11-28 11:25:13,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8056 states. [2018-11-28 11:25:13,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8056 states to 8056 states and 18403 transitions. [2018-11-28 11:25:13,550 INFO L78 Accepts]: Start accepts. Automaton has 8056 states and 18403 transitions. Word has length 93 [2018-11-28 11:25:13,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:13,550 INFO L480 AbstractCegarLoop]: Abstraction has 8056 states and 18403 transitions. [2018-11-28 11:25:13,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:25:13,550 INFO L276 IsEmpty]: Start isEmpty. Operand 8056 states and 18403 transitions. [2018-11-28 11:25:13,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 11:25:13,556 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:13,556 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] [2018-11-28 11:25:13,556 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:13,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:13,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1559378162, now seen corresponding path program 1 times [2018-11-28 11:25:13,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:13,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:13,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:13,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:13,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:13,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:13,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:13,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:25:13,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:25:13,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:25:13,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:25:13,609 INFO L87 Difference]: Start difference. First operand 8056 states and 18403 transitions. Second operand 6 states. [2018-11-28 11:25:13,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:13,808 INFO L93 Difference]: Finished difference Result 10204 states and 23157 transitions. [2018-11-28 11:25:13,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 11:25:13,808 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-28 11:25:13,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:13,815 INFO L225 Difference]: With dead ends: 10204 [2018-11-28 11:25:13,815 INFO L226 Difference]: Without dead ends: 10125 [2018-11-28 11:25:13,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-11-28 11:25:13,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10125 states. [2018-11-28 11:25:13,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10125 to 7529. [2018-11-28 11:25:13,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7529 states. [2018-11-28 11:25:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7529 states to 7529 states and 17293 transitions. [2018-11-28 11:25:13,885 INFO L78 Accepts]: Start accepts. Automaton has 7529 states and 17293 transitions. Word has length 93 [2018-11-28 11:25:13,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:13,885 INFO L480 AbstractCegarLoop]: Abstraction has 7529 states and 17293 transitions. [2018-11-28 11:25:13,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:25:13,885 INFO L276 IsEmpty]: Start isEmpty. Operand 7529 states and 17293 transitions. [2018-11-28 11:25:13,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 11:25:13,891 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:13,891 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:13,891 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:13,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:13,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1497612213, now seen corresponding path program 1 times [2018-11-28 11:25:13,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:13,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:13,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:13,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:13,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:13,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:13,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:25:13,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:25:13,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:25:13,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:25:13,980 INFO L87 Difference]: Start difference. First operand 7529 states and 17293 transitions. Second operand 9 states. [2018-11-28 11:25:14,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:14,360 INFO L93 Difference]: Finished difference Result 10604 states and 24259 transitions. [2018-11-28 11:25:14,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-28 11:25:14,361 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-11-28 11:25:14,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:14,370 INFO L225 Difference]: With dead ends: 10604 [2018-11-28 11:25:14,370 INFO L226 Difference]: Without dead ends: 10572 [2018-11-28 11:25:14,370 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-11-28 11:25:14,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10572 states. [2018-11-28 11:25:14,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10572 to 9100. [2018-11-28 11:25:14,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9100 states. [2018-11-28 11:25:14,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9100 states to 9100 states and 20773 transitions. [2018-11-28 11:25:14,458 INFO L78 Accepts]: Start accepts. Automaton has 9100 states and 20773 transitions. Word has length 93 [2018-11-28 11:25:14,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:14,458 INFO L480 AbstractCegarLoop]: Abstraction has 9100 states and 20773 transitions. [2018-11-28 11:25:14,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:25:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 9100 states and 20773 transitions. [2018-11-28 11:25:14,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 11:25:14,466 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:14,466 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:14,466 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:14,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:14,466 INFO L82 PathProgramCache]: Analyzing trace with hash -299339146, now seen corresponding path program 1 times [2018-11-28 11:25:14,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:14,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:14,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:14,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:14,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:14,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:14,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:25:14,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:25:14,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:25:14,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:25:14,543 INFO L87 Difference]: Start difference. First operand 9100 states and 20773 transitions. Second operand 8 states. [2018-11-28 11:25:14,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:14,844 INFO L93 Difference]: Finished difference Result 14198 states and 32836 transitions. [2018-11-28 11:25:14,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 11:25:14,844 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-11-28 11:25:14,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:14,859 INFO L225 Difference]: With dead ends: 14198 [2018-11-28 11:25:14,859 INFO L226 Difference]: Without dead ends: 14198 [2018-11-28 11:25:14,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-11-28 11:25:14,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14198 states. [2018-11-28 11:25:15,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14198 to 9690. [2018-11-28 11:25:15,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9690 states. [2018-11-28 11:25:15,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9690 states to 9690 states and 22304 transitions. [2018-11-28 11:25:15,032 INFO L78 Accepts]: Start accepts. Automaton has 9690 states and 22304 transitions. Word has length 93 [2018-11-28 11:25:15,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:15,033 INFO L480 AbstractCegarLoop]: Abstraction has 9690 states and 22304 transitions. [2018-11-28 11:25:15,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:25:15,033 INFO L276 IsEmpty]: Start isEmpty. Operand 9690 states and 22304 transitions. [2018-11-28 11:25:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 11:25:15,040 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:15,040 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:15,040 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:15,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:15,041 INFO L82 PathProgramCache]: Analyzing trace with hash 588164535, now seen corresponding path program 1 times [2018-11-28 11:25:15,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:15,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:15,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:15,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:15,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:15,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:15,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:15,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:25:15,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:25:15,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:25:15,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:15,094 INFO L87 Difference]: Start difference. First operand 9690 states and 22304 transitions. Second operand 3 states. [2018-11-28 11:25:15,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:15,144 INFO L93 Difference]: Finished difference Result 9434 states and 21504 transitions. [2018-11-28 11:25:15,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:25:15,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-28 11:25:15,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:15,154 INFO L225 Difference]: With dead ends: 9434 [2018-11-28 11:25:15,154 INFO L226 Difference]: Without dead ends: 9402 [2018-11-28 11:25:15,155 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:15,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9402 states. [2018-11-28 11:25:15,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9402 to 7460. [2018-11-28 11:25:15,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7460 states. [2018-11-28 11:25:15,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7460 states to 7460 states and 16875 transitions. [2018-11-28 11:25:15,231 INFO L78 Accepts]: Start accepts. Automaton has 7460 states and 16875 transitions. Word has length 93 [2018-11-28 11:25:15,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:15,231 INFO L480 AbstractCegarLoop]: Abstraction has 7460 states and 16875 transitions. [2018-11-28 11:25:15,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:25:15,231 INFO L276 IsEmpty]: Start isEmpty. Operand 7460 states and 16875 transitions. [2018-11-28 11:25:15,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 11:25:15,237 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:15,237 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:15,237 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:15,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:15,237 INFO L82 PathProgramCache]: Analyzing trace with hash -360597677, now seen corresponding path program 1 times [2018-11-28 11:25:15,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:15,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:15,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:15,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:15,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:15,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:15,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:15,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-28 11:25:15,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 11:25:15,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 11:25:15,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:25:15,393 INFO L87 Difference]: Start difference. First operand 7460 states and 16875 transitions. Second operand 11 states. [2018-11-28 11:25:16,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:16,045 INFO L93 Difference]: Finished difference Result 9968 states and 22228 transitions. [2018-11-28 11:25:16,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 11:25:16,046 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-11-28 11:25:16,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:16,052 INFO L225 Difference]: With dead ends: 9968 [2018-11-28 11:25:16,053 INFO L226 Difference]: Without dead ends: 9968 [2018-11-28 11:25:16,053 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2018-11-28 11:25:16,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9968 states. [2018-11-28 11:25:16,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9968 to 8883. [2018-11-28 11:25:16,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8883 states. [2018-11-28 11:25:16,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8883 states to 8883 states and 19937 transitions. [2018-11-28 11:25:16,126 INFO L78 Accepts]: Start accepts. Automaton has 8883 states and 19937 transitions. Word has length 95 [2018-11-28 11:25:16,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:16,126 INFO L480 AbstractCegarLoop]: Abstraction has 8883 states and 19937 transitions. [2018-11-28 11:25:16,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 11:25:16,127 INFO L276 IsEmpty]: Start isEmpty. Operand 8883 states and 19937 transitions. [2018-11-28 11:25:16,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 11:25:16,133 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:16,133 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:16,133 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:16,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:16,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1550303339, now seen corresponding path program 1 times [2018-11-28 11:25:16,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:16,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:16,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:16,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:16,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:16,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:16,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:16,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:25:16,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:25:16,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:25:16,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:25:16,289 INFO L87 Difference]: Start difference. First operand 8883 states and 19937 transitions. Second operand 9 states. [2018-11-28 11:25:16,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:16,710 INFO L93 Difference]: Finished difference Result 11095 states and 24591 transitions. [2018-11-28 11:25:16,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 11:25:16,710 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-11-28 11:25:16,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:16,718 INFO L225 Difference]: With dead ends: 11095 [2018-11-28 11:25:16,718 INFO L226 Difference]: Without dead ends: 11095 [2018-11-28 11:25:16,718 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2018-11-28 11:25:16,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11095 states. [2018-11-28 11:25:16,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11095 to 9338. [2018-11-28 11:25:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9338 states. [2018-11-28 11:25:16,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9338 states to 9338 states and 20900 transitions. [2018-11-28 11:25:16,802 INFO L78 Accepts]: Start accepts. Automaton has 9338 states and 20900 transitions. Word has length 95 [2018-11-28 11:25:16,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:16,802 INFO L480 AbstractCegarLoop]: Abstraction has 9338 states and 20900 transitions. [2018-11-28 11:25:16,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:25:16,803 INFO L276 IsEmpty]: Start isEmpty. Operand 9338 states and 20900 transitions. [2018-11-28 11:25:16,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 11:25:16,809 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:16,809 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:16,809 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:16,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:16,809 INFO L82 PathProgramCache]: Analyzing trace with hash 2068511189, now seen corresponding path program 1 times [2018-11-28 11:25:16,810 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:16,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:16,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:16,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:16,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:16,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:16,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:25:16,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:25:16,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:25:16,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:25:16,960 INFO L87 Difference]: Start difference. First operand 9338 states and 20900 transitions. Second operand 9 states. [2018-11-28 11:25:17,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:17,264 INFO L93 Difference]: Finished difference Result 10117 states and 22547 transitions. [2018-11-28 11:25:17,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 11:25:17,265 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-11-28 11:25:17,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:17,272 INFO L225 Difference]: With dead ends: 10117 [2018-11-28 11:25:17,272 INFO L226 Difference]: Without dead ends: 10117 [2018-11-28 11:25:17,272 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2018-11-28 11:25:17,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10117 states. [2018-11-28 11:25:17,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10117 to 7028. [2018-11-28 11:25:17,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7028 states. [2018-11-28 11:25:17,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7028 states to 7028 states and 15724 transitions. [2018-11-28 11:25:17,339 INFO L78 Accepts]: Start accepts. Automaton has 7028 states and 15724 transitions. Word has length 95 [2018-11-28 11:25:17,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:17,339 INFO L480 AbstractCegarLoop]: Abstraction has 7028 states and 15724 transitions. [2018-11-28 11:25:17,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:25:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 7028 states and 15724 transitions. [2018-11-28 11:25:17,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 11:25:17,345 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:17,345 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:17,345 INFO L423 AbstractCegarLoop]: === Iteration 31 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:17,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:17,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1338952426, now seen corresponding path program 1 times [2018-11-28 11:25:17,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:17,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:17,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:17,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:17,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:17,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:17,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:17,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-28 11:25:17,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 11:25:17,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 11:25:17,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:25:17,472 INFO L87 Difference]: Start difference. First operand 7028 states and 15724 transitions. Second operand 11 states. [2018-11-28 11:25:18,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:18,258 INFO L93 Difference]: Finished difference Result 13312 states and 30006 transitions. [2018-11-28 11:25:18,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 11:25:18,258 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-11-28 11:25:18,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:18,264 INFO L225 Difference]: With dead ends: 13312 [2018-11-28 11:25:18,264 INFO L226 Difference]: Without dead ends: 9089 [2018-11-28 11:25:18,264 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-11-28 11:25:18,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9089 states. [2018-11-28 11:25:18,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9089 to 6789. [2018-11-28 11:25:18,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6789 states. [2018-11-28 11:25:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6789 states to 6789 states and 15157 transitions. [2018-11-28 11:25:18,323 INFO L78 Accepts]: Start accepts. Automaton has 6789 states and 15157 transitions. Word has length 95 [2018-11-28 11:25:18,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:18,323 INFO L480 AbstractCegarLoop]: Abstraction has 6789 states and 15157 transitions. [2018-11-28 11:25:18,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 11:25:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 6789 states and 15157 transitions. [2018-11-28 11:25:18,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 11:25:18,328 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:18,328 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:18,328 INFO L423 AbstractCegarLoop]: === Iteration 32 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:18,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:18,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1071746382, now seen corresponding path program 1 times [2018-11-28 11:25:18,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:18,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:18,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:18,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:18,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:18,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:18,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:18,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:25:18,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:25:18,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:25:18,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:25:18,427 INFO L87 Difference]: Start difference. First operand 6789 states and 15157 transitions. Second operand 6 states. [2018-11-28 11:25:18,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:18,555 INFO L93 Difference]: Finished difference Result 7655 states and 16871 transitions. [2018-11-28 11:25:18,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:25:18,555 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-11-28 11:25:18,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:18,560 INFO L225 Difference]: With dead ends: 7655 [2018-11-28 11:25:18,561 INFO L226 Difference]: Without dead ends: 7598 [2018-11-28 11:25:18,561 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 [2018-11-28 11:25:18,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7598 states. [2018-11-28 11:25:18,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7598 to 6741. [2018-11-28 11:25:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6741 states. [2018-11-28 11:25:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6741 states to 6741 states and 14912 transitions. [2018-11-28 11:25:18,617 INFO L78 Accepts]: Start accepts. Automaton has 6741 states and 14912 transitions. Word has length 95 [2018-11-28 11:25:18,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:18,617 INFO L480 AbstractCegarLoop]: Abstraction has 6741 states and 14912 transitions. [2018-11-28 11:25:18,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:25:18,617 INFO L276 IsEmpty]: Start isEmpty. Operand 6741 states and 14912 transitions. [2018-11-28 11:25:18,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 11:25:18,621 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:18,621 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:18,622 INFO L423 AbstractCegarLoop]: === Iteration 33 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:18,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:18,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1408217134, now seen corresponding path program 2 times [2018-11-28 11:25:18,622 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:18,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:18,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:18,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:18,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:18,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:18,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:18,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:25:18,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:25:18,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:25:18,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:25:18,766 INFO L87 Difference]: Start difference. First operand 6741 states and 14912 transitions. Second operand 7 states. [2018-11-28 11:25:19,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:19,089 INFO L93 Difference]: Finished difference Result 9014 states and 19614 transitions. [2018-11-28 11:25:19,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 11:25:19,089 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-11-28 11:25:19,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:19,095 INFO L225 Difference]: With dead ends: 9014 [2018-11-28 11:25:19,095 INFO L226 Difference]: Without dead ends: 9014 [2018-11-28 11:25:19,096 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2018-11-28 11:25:19,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9014 states. [2018-11-28 11:25:19,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9014 to 7337. [2018-11-28 11:25:19,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7337 states. [2018-11-28 11:25:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7337 states to 7337 states and 16225 transitions. [2018-11-28 11:25:19,157 INFO L78 Accepts]: Start accepts. Automaton has 7337 states and 16225 transitions. Word has length 95 [2018-11-28 11:25:19,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:19,157 INFO L480 AbstractCegarLoop]: Abstraction has 7337 states and 16225 transitions. [2018-11-28 11:25:19,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:25:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 7337 states and 16225 transitions. [2018-11-28 11:25:19,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 11:25:19,163 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:19,163 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:19,164 INFO L423 AbstractCegarLoop]: === Iteration 34 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:19,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:19,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1196866221, now seen corresponding path program 1 times [2018-11-28 11:25:19,164 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:19,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:19,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:19,165 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:25:19,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:19,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:19,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:25:19,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:25:19,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:25:19,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:25:19,234 INFO L87 Difference]: Start difference. First operand 7337 states and 16225 transitions. Second operand 6 states. [2018-11-28 11:25:19,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:19,350 INFO L93 Difference]: Finished difference Result 7605 states and 16743 transitions. [2018-11-28 11:25:19,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:25:19,350 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-11-28 11:25:19,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:19,357 INFO L225 Difference]: With dead ends: 7605 [2018-11-28 11:25:19,358 INFO L226 Difference]: Without dead ends: 7605 [2018-11-28 11:25:19,358 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:25:19,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7605 states. [2018-11-28 11:25:19,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7605 to 7270. [2018-11-28 11:25:19,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7270 states. [2018-11-28 11:25:19,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7270 states to 7270 states and 16053 transitions. [2018-11-28 11:25:19,428 INFO L78 Accepts]: Start accepts. Automaton has 7270 states and 16053 transitions. Word has length 95 [2018-11-28 11:25:19,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:19,429 INFO L480 AbstractCegarLoop]: Abstraction has 7270 states and 16053 transitions. [2018-11-28 11:25:19,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:25:19,429 INFO L276 IsEmpty]: Start isEmpty. Operand 7270 states and 16053 transitions. [2018-11-28 11:25:19,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 11:25:19,434 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:19,434 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:19,434 INFO L423 AbstractCegarLoop]: === Iteration 35 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:19,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:19,435 INFO L82 PathProgramCache]: Analyzing trace with hash -741980621, now seen corresponding path program 2 times [2018-11-28 11:25:19,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:19,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:19,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:19,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:19,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:19,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:19,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:19,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:25:19,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:25:19,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:25:19,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:25:19,557 INFO L87 Difference]: Start difference. First operand 7270 states and 16053 transitions. Second operand 7 states. [2018-11-28 11:25:19,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:19,676 INFO L93 Difference]: Finished difference Result 9115 states and 20133 transitions. [2018-11-28 11:25:19,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:25:19,676 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-11-28 11:25:19,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:19,681 INFO L225 Difference]: With dead ends: 9115 [2018-11-28 11:25:19,682 INFO L226 Difference]: Without dead ends: 9115 [2018-11-28 11:25:19,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:25:19,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9115 states. [2018-11-28 11:25:19,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9115 to 6481. [2018-11-28 11:25:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6481 states. [2018-11-28 11:25:19,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6481 states to 6481 states and 14219 transitions. [2018-11-28 11:25:19,737 INFO L78 Accepts]: Start accepts. Automaton has 6481 states and 14219 transitions. Word has length 95 [2018-11-28 11:25:19,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:19,737 INFO L480 AbstractCegarLoop]: Abstraction has 6481 states and 14219 transitions. [2018-11-28 11:25:19,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:25:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 6481 states and 14219 transitions. [2018-11-28 11:25:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-28 11:25:19,742 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:19,742 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:19,742 INFO L423 AbstractCegarLoop]: === Iteration 36 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:19,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:19,742 INFO L82 PathProgramCache]: Analyzing trace with hash -530629708, now seen corresponding path program 2 times [2018-11-28 11:25:19,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:19,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:19,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:19,744 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:25:19,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:25:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:25:19,790 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:25:19,875 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-28 11:25:19,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:25:19 BasicIcfg [2018-11-28 11:25:19,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:25:19,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:25:19,877 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:25:19,877 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:25:19,878 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:57" (3/4) ... [2018-11-28 11:25:19,879 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 11:25:19,988 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b3724812-1430-447a-aa60-95ad52340806/bin-2019/uautomizer/witness.graphml [2018-11-28 11:25:19,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:25:19,989 INFO L168 Benchmark]: Toolchain (without parser) took 23190.05 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.2 GB). Free memory was 954.9 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 418.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:25:19,990 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:25:19,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:25:19,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.46 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:25:19,991 INFO L168 Benchmark]: Boogie Preprocessor took 29.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:25:19,991 INFO L168 Benchmark]: RCFGBuilder took 545.32 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: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:25:19,991 INFO L168 Benchmark]: TraceAbstraction took 22044.15 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 338.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:25:19,991 INFO L168 Benchmark]: Witness Printer took 111.26 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.7 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:25:19,993 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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 416.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.46 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.11 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 545.32 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: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22044.15 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 338.5 MB. Max. memory is 11.5 GB. * Witness Printer took 111.26 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.7 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 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_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L675] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L676] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0] [L677] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L679] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L681] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L682] -1 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L683] -1 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L684] -1 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L685] -1 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L686] -1 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L687] -1 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L688] -1 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L689] -1 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L690] -1 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L691] -1 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L692] -1 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L693] -1 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L694] -1 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L695] -1 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L696] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L697] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L770] -1 pthread_t t1297; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L771] FCALL, FORK -1 pthread_create(&t1297, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L701] 0 y$w_buff1 = y$w_buff0 [L702] 0 y$w_buff0 = 1 [L703] 0 y$w_buff1_used = y$w_buff0_used [L704] 0 y$w_buff0_used = (_Bool)1 [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L772] -1 pthread_t t1298; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L773] FCALL, FORK -1 pthread_create(&t1298, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L706] 0 y$r_buff1_thd0 = y$r_buff0_thd0 [L707] 0 y$r_buff1_thd1 = y$r_buff0_thd1 [L708] 0 y$r_buff1_thd2 = y$r_buff0_thd2 [L709] 0 y$r_buff0_thd1 = (_Bool)1 [L712] 0 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L715] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L729] 1 x = 1 [L732] 1 weak$$choice0 = __VERIFIER_nondet_pointer() [L733] 1 weak$$choice2 = __VERIFIER_nondet_pointer() [L734] 1 y$flush_delayed = weak$$choice2 [L735] 1 y$mem_tmp = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L736] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) VAL [!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L736] 1 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L737] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L737] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L738] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L739] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L739] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L740] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L740] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L741] EXPR 1 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L741] 1 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L742] EXPR 1 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L742] 1 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L743] 1 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L744] EXPR 1 y$flush_delayed ? y$mem_tmp : y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=1, y$flush_delayed ? y$mem_tmp : y=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L715] 0 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L744] 1 y = y$flush_delayed ? y$mem_tmp : y [L745] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L716] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L716] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L717] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L717] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L718] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L718] 0 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L719] EXPR 0 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L719] 0 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L722] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L748] EXPR 1 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)=0, y$w_buff1=0, y$w_buff1_used=0, y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y=0] [L748] 1 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L749] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used=0, y$w_buff1=0, y$w_buff1_used=0] [L750] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L751] 1 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2=0, y$w_buff1=0, y$w_buff1_used=0] [L752] 1 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L775] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] EXPR -1 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] -1 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L780] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L780] -1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L781] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L781] -1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L782] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L782] -1 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L783] EXPR -1 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L783] -1 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L786] -1 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L4] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L4] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 222 locations, 3 error locations. UNSAFE Result, 21.9s OverallTime, 36 OverallIterations, 1 TraceHistogramMax, 10.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9309 SDtfs, 10448 SDslu, 24088 SDs, 0 SdLazy, 11278 SolverSat, 504 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 98 SyntacticMatches, 44 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38973occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.9s AutomataMinimizationTime, 35 MinimizatonAttempts, 92027 StatesRemovedByMinimization, 34 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2739 NumberOfCodeBlocks, 2739 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2609 ConstructedInterpolants, 0 QuantifiedInterpolants, 621810 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 35 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...