./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/safe001_tso.opt_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-wmm/safe001_tso.opt_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a6c25ae72d2dc3997c0136a199d1a863c00aa13 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 00:56:00,420 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 00:56:00,422 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 00:56:00,438 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 00:56:00,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 00:56:00,440 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 00:56:00,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 00:56:00,443 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 00:56:00,445 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 00:56:00,445 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 00:56:00,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 00:56:00,447 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 00:56:00,448 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 00:56:00,449 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 00:56:00,450 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 00:56:00,451 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 00:56:00,452 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 00:56:00,454 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 00:56:00,456 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 00:56:00,459 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 00:56:00,460 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 00:56:00,461 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 00:56:00,464 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 00:56:00,464 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 00:56:00,465 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 00:56:00,466 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 00:56:00,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 00:56:00,468 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 00:56:00,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 00:56:00,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 00:56:00,471 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 00:56:00,472 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 00:56:00,472 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 00:56:00,472 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 00:56:00,474 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 00:56:00,475 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 00:56:00,475 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-01 00:56:00,495 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 00:56:00,500 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 00:56:00,501 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 00:56:00,501 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 00:56:00,502 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 00:56:00,502 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 00:56:00,502 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 00:56:00,502 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 00:56:00,502 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 00:56:00,504 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 00:56:00,505 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 00:56:00,505 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 00:56:00,505 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 00:56:00,505 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 00:56:00,505 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 00:56:00,505 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 00:56:00,506 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 00:56:00,508 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 00:56:00,508 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 00:56:00,508 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 00:56:00,509 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 00:56:00,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 00:56:00,509 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 00:56:00,509 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 00:56:00,509 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 00:56:00,509 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 00:56:00,510 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 00:56:00,510 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 00:56:00,510 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a6c25ae72d2dc3997c0136a199d1a863c00aa13 [2019-01-01 00:56:00,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 00:56:00,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 00:56:00,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 00:56:00,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 00:56:00,610 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 00:56:00,611 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/safe001_tso.opt_true-unreach-call.i [2019-01-01 00:56:00,679 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0be0b121c/73299005d7ba41dd984f7b3ffb060155/FLAGee7ec312d [2019-01-01 00:56:01,214 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 00:56:01,215 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/safe001_tso.opt_true-unreach-call.i [2019-01-01 00:56:01,231 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0be0b121c/73299005d7ba41dd984f7b3ffb060155/FLAGee7ec312d [2019-01-01 00:56:01,501 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0be0b121c/73299005d7ba41dd984f7b3ffb060155 [2019-01-01 00:56:01,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 00:56:01,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 00:56:01,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 00:56:01,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 00:56:01,513 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 00:56:01,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:56:01" (1/1) ... [2019-01-01 00:56:01,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7361d832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:01, skipping insertion in model container [2019-01-01 00:56:01,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:56:01" (1/1) ... [2019-01-01 00:56:01,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 00:56:01,580 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 00:56:02,007 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:56:02,026 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 00:56:02,179 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:56:02,293 INFO L195 MainTranslator]: Completed translation [2019-01-01 00:56:02,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:02 WrapperNode [2019-01-01 00:56:02,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 00:56:02,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 00:56:02,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 00:56:02,298 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 00:56:02,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:02" (1/1) ... [2019-01-01 00:56:02,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:02" (1/1) ... [2019-01-01 00:56:02,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 00:56:02,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 00:56:02,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 00:56:02,374 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 00:56:02,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:02" (1/1) ... [2019-01-01 00:56:02,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:02" (1/1) ... [2019-01-01 00:56:02,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:02" (1/1) ... [2019-01-01 00:56:02,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:02" (1/1) ... [2019-01-01 00:56:02,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:02" (1/1) ... [2019-01-01 00:56:02,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:02" (1/1) ... [2019-01-01 00:56:02,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:02" (1/1) ... [2019-01-01 00:56:02,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 00:56:02,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 00:56:02,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 00:56:02,438 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 00:56:02,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 00:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 00:56:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-01-01 00:56:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 00:56:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 00:56:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-01-01 00:56:02,521 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-01-01 00:56:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-01-01 00:56:02,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-01-01 00:56:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-01-01 00:56:02,523 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-01-01 00:56:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-01-01 00:56:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 00:56:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 00:56:02,526 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-01 00:56:03,263 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 00:56:03,264 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-01 00:56:03,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:56:03 BoogieIcfgContainer [2019-01-01 00:56:03,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 00:56:03,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 00:56:03,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 00:56:03,272 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 00:56:03,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 12:56:01" (1/3) ... [2019-01-01 00:56:03,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45077542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:56:03, skipping insertion in model container [2019-01-01 00:56:03,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:56:02" (2/3) ... [2019-01-01 00:56:03,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45077542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:56:03, skipping insertion in model container [2019-01-01 00:56:03,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:56:03" (3/3) ... [2019-01-01 00:56:03,279 INFO L112 eAbstractionObserver]: Analyzing ICFG safe001_tso.opt_true-unreach-call.i [2019-01-01 00:56:03,317 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,320 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,320 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,320 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,321 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,321 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,321 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,321 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,321 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,322 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,322 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,322 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,322 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,322 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,324 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,324 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,324 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,324 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,325 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,325 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,325 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,326 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,326 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,326 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,326 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,327 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:56:03,357 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-01 00:56:03,358 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 00:56:03,366 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-01 00:56:03,383 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-01 00:56:03,410 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 00:56:03,411 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 00:56:03,411 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 00:56:03,411 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 00:56:03,411 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 00:56:03,412 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 00:56:03,412 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 00:56:03,412 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 00:56:03,412 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 00:56:03,423 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55places, 52 transitions [2019-01-01 00:56:03,563 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2384 states. [2019-01-01 00:56:03,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states. [2019-01-01 00:56:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-01 00:56:03,590 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:03,592 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 00:56:03,595 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:03,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:03,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1523724345, now seen corresponding path program 1 times [2019-01-01 00:56:03,607 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:03,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:03,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:03,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:03,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:03,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:56:03,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:03,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 00:56:03,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 00:56:04,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 00:56:04,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 00:56:04,012 INFO L87 Difference]: Start difference. First operand 2384 states. Second operand 4 states. [2019-01-01 00:56:04,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:04,206 INFO L93 Difference]: Finished difference Result 2492 states and 8068 transitions. [2019-01-01 00:56:04,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 00:56:04,209 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-01-01 00:56:04,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:04,258 INFO L225 Difference]: With dead ends: 2492 [2019-01-01 00:56:04,258 INFO L226 Difference]: Without dead ends: 1127 [2019-01-01 00:56:04,260 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 [2019-01-01 00:56:04,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2019-01-01 00:56:04,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1127. [2019-01-01 00:56:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2019-01-01 00:56:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 3557 transitions. [2019-01-01 00:56:04,438 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 3557 transitions. Word has length 29 [2019-01-01 00:56:04,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:04,438 INFO L480 AbstractCegarLoop]: Abstraction has 1127 states and 3557 transitions. [2019-01-01 00:56:04,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 00:56:04,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 3557 transitions. [2019-01-01 00:56:04,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-01-01 00:56:04,449 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:04,449 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] [2019-01-01 00:56:04,450 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:04,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:04,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1285499803, now seen corresponding path program 1 times [2019-01-01 00:56:04,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:04,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:04,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:04,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:04,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:04,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:56:04,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:04,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 00:56:04,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 00:56:04,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 00:56:04,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-01 00:56:04,835 INFO L87 Difference]: Start difference. First operand 1127 states and 3557 transitions. Second operand 5 states. [2019-01-01 00:56:05,210 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-01-01 00:56:05,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:05,487 INFO L93 Difference]: Finished difference Result 1167 states and 3551 transitions. [2019-01-01 00:56:05,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 00:56:05,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-01-01 00:56:05,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:05,501 INFO L225 Difference]: With dead ends: 1167 [2019-01-01 00:56:05,502 INFO L226 Difference]: Without dead ends: 1043 [2019-01-01 00:56:05,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:56:05,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-01-01 00:56:05,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1043. [2019-01-01 00:56:05,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2019-01-01 00:56:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 3242 transitions. [2019-01-01 00:56:05,549 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 3242 transitions. Word has length 30 [2019-01-01 00:56:05,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:05,551 INFO L480 AbstractCegarLoop]: Abstraction has 1043 states and 3242 transitions. [2019-01-01 00:56:05,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 00:56:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 3242 transitions. [2019-01-01 00:56:05,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-01-01 00:56:05,555 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:05,555 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] [2019-01-01 00:56:05,557 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:05,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:05,557 INFO L82 PathProgramCache]: Analyzing trace with hash -2083344731, now seen corresponding path program 1 times [2019-01-01 00:56:05,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:05,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:05,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:05,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:05,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:56:06,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:06,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 00:56:06,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 00:56:06,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 00:56:06,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-01 00:56:06,008 INFO L87 Difference]: Start difference. First operand 1043 states and 3242 transitions. Second operand 6 states. [2019-01-01 00:56:06,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:06,637 INFO L93 Difference]: Finished difference Result 819 states and 2378 transitions. [2019-01-01 00:56:06,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:56:06,641 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-01-01 00:56:06,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:06,648 INFO L225 Difference]: With dead ends: 819 [2019-01-01 00:56:06,648 INFO L226 Difference]: Without dead ends: 707 [2019-01-01 00:56:06,649 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-01-01 00:56:06,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2019-01-01 00:56:06,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707. [2019-01-01 00:56:06,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2019-01-01 00:56:06,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 2066 transitions. [2019-01-01 00:56:06,676 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 2066 transitions. Word has length 31 [2019-01-01 00:56:06,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:06,677 INFO L480 AbstractCegarLoop]: Abstraction has 707 states and 2066 transitions. [2019-01-01 00:56:06,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 00:56:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 2066 transitions. [2019-01-01 00:56:06,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-01 00:56:06,680 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:06,680 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] [2019-01-01 00:56:06,681 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:06,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:06,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1634169057, now seen corresponding path program 1 times [2019-01-01 00:56:06,682 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:06,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:06,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:06,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:06,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:07,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:56:07,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:07,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:56:07,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:56:07,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:56:07,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:56:07,222 INFO L87 Difference]: Start difference. First operand 707 states and 2066 transitions. Second operand 7 states. [2019-01-01 00:56:07,942 WARN L181 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 00:56:07,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:07,989 INFO L93 Difference]: Finished difference Result 1187 states and 3490 transitions. [2019-01-01 00:56:07,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:56:07,991 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-01-01 00:56:07,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:07,997 INFO L225 Difference]: With dead ends: 1187 [2019-01-01 00:56:07,997 INFO L226 Difference]: Without dead ends: 671 [2019-01-01 00:56:07,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-01-01 00:56:08,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2019-01-01 00:56:08,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2019-01-01 00:56:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2019-01-01 00:56:08,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1974 transitions. [2019-01-01 00:56:08,024 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1974 transitions. Word has length 32 [2019-01-01 00:56:08,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:08,025 INFO L480 AbstractCegarLoop]: Abstraction has 671 states and 1974 transitions. [2019-01-01 00:56:08,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:56:08,025 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1974 transitions. [2019-01-01 00:56:08,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-01 00:56:08,028 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:08,028 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] [2019-01-01 00:56:08,028 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:08,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:08,029 INFO L82 PathProgramCache]: Analyzing trace with hash 931380865, now seen corresponding path program 2 times [2019-01-01 00:56:08,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:08,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:08,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:08,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:56:08,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:08,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:56:08,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:08,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-01 00:56:08,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-01 00:56:08,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-01 00:56:08,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-01-01 00:56:08,477 INFO L87 Difference]: Start difference. First operand 671 states and 1974 transitions. Second operand 10 states. [2019-01-01 00:56:09,435 WARN L181 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-01 00:56:09,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:09,861 INFO L93 Difference]: Finished difference Result 1439 states and 4342 transitions. [2019-01-01 00:56:09,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-01 00:56:09,862 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 32 [2019-01-01 00:56:09,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:09,868 INFO L225 Difference]: With dead ends: 1439 [2019-01-01 00:56:09,868 INFO L226 Difference]: Without dead ends: 555 [2019-01-01 00:56:09,868 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2019-01-01 00:56:09,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2019-01-01 00:56:09,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2019-01-01 00:56:09,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-01-01 00:56:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1670 transitions. [2019-01-01 00:56:09,886 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 1670 transitions. Word has length 32 [2019-01-01 00:56:09,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:09,886 INFO L480 AbstractCegarLoop]: Abstraction has 555 states and 1670 transitions. [2019-01-01 00:56:09,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-01 00:56:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1670 transitions. [2019-01-01 00:56:09,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-01 00:56:09,889 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:56:09,889 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] [2019-01-01 00:56:09,890 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:56:09,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:56:09,890 INFO L82 PathProgramCache]: Analyzing trace with hash -947195911, now seen corresponding path program 3 times [2019-01-01 00:56:09,890 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:56:09,890 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:56:09,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:09,894 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 00:56:09,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:56:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:56:10,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:56:10,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:56:10,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-01 00:56:10,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-01 00:56:10,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-01 00:56:10,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-01 00:56:10,130 INFO L87 Difference]: Start difference. First operand 555 states and 1670 transitions. Second operand 8 states. [2019-01-01 00:56:10,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:56:10,534 INFO L93 Difference]: Finished difference Result 427 states and 1254 transitions. [2019-01-01 00:56:10,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 00:56:10,534 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-01-01 00:56:10,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:56:10,535 INFO L225 Difference]: With dead ends: 427 [2019-01-01 00:56:10,535 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 00:56:10,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2019-01-01 00:56:10,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 00:56:10,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 00:56:10,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 00:56:10,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 00:56:10,536 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-01-01 00:56:10,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:56:10,537 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 00:56:10,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-01 00:56:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 00:56:10,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 00:56:10,541 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-01-01 00:56:10,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 12:56:10 BasicIcfg [2019-01-01 00:56:10,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 00:56:10,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 00:56:10,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 00:56:10,544 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 00:56:10,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:56:03" (3/4) ... [2019-01-01 00:56:10,548 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 00:56:10,556 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-01-01 00:56:10,556 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-01-01 00:56:10,556 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-01-01 00:56:10,561 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-01-01 00:56:10,561 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 00:56:10,617 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 00:56:10,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 00:56:10,619 INFO L168 Benchmark]: Toolchain (without parser) took 9112.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 63.4 MB). Free memory was 951.4 MB in the beginning and 741.9 MB in the end (delta: 209.5 MB). Peak memory consumption was 272.9 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:10,620 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 00:56:10,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 63.4 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -90.4 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:10,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:10,622 INFO L168 Benchmark]: Boogie Preprocessor took 64.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 00:56:10,622 INFO L168 Benchmark]: RCFGBuilder took 827.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:10,623 INFO L168 Benchmark]: TraceAbstraction took 7276.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 749.2 MB in the end (delta: 257.7 MB). Peak memory consumption was 257.7 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:10,623 INFO L168 Benchmark]: Witness Printer took 74.63 ms. Allocated memory is still 1.1 GB. Free memory was 749.2 MB in the beginning and 741.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-01-01 00:56:10,628 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 787.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 63.4 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -90.4 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 827.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7276.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 749.2 MB in the end (delta: 257.7 MB). Peak memory consumption was 257.7 MB. Max. memory is 11.5 GB. * Witness Printer took 74.63 ms. Allocated memory is still 1.1 GB. Free memory was 749.2 MB in the beginning and 741.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 70 locations, 1 error locations. SAFE Result, 7.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 330 SDtfs, 491 SDslu, 1126 SDs, 0 SdLazy, 190 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2384occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 16866 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...