./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/safe027_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/safe027_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 cf7a1bd5a0da233b6f98d9da1a1f0c5498624db7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:58:07,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 00:58:07,570 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 00:58:07,582 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 00:58:07,582 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 00:58:07,583 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 00:58:07,585 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 00:58:07,587 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 00:58:07,588 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 00:58:07,589 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 00:58:07,590 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 00:58:07,591 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 00:58:07,592 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 00:58:07,593 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 00:58:07,594 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 00:58:07,595 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 00:58:07,595 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 00:58:07,600 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 00:58:07,605 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 00:58:07,608 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 00:58:07,610 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 00:58:07,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 00:58:07,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 00:58:07,623 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 00:58:07,623 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 00:58:07,624 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 00:58:07,625 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 00:58:07,626 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 00:58:07,629 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 00:58:07,632 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 00:58:07,633 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 00:58:07,633 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 00:58:07,634 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 00:58:07,634 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 00:58:07,637 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 00:58:07,638 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 00:58:07,638 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-01 00:58:07,654 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 00:58:07,655 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 00:58:07,656 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 00:58:07,656 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 00:58:07,656 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 00:58:07,657 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 00:58:07,657 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 00:58:07,657 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 00:58:07,657 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 00:58:07,657 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 00:58:07,657 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 00:58:07,658 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 00:58:07,658 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 00:58:07,658 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 00:58:07,658 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 00:58:07,658 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 00:58:07,658 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 00:58:07,659 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 00:58:07,659 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 00:58:07,659 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 00:58:07,659 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 00:58:07,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 00:58:07,660 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 00:58:07,660 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 00:58:07,660 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 00:58:07,660 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 00:58:07,660 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 00:58:07,660 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 00:58:07,661 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 -> cf7a1bd5a0da233b6f98d9da1a1f0c5498624db7 [2019-01-01 00:58:07,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 00:58:07,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 00:58:07,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 00:58:07,722 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 00:58:07,722 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 00:58:07,724 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/safe027_tso.opt_true-unreach-call.i [2019-01-01 00:58:07,796 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577478f6f/88ae6ba950554e97abcef52084d9726b/FLAG7b604a24b [2019-01-01 00:58:08,375 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 00:58:08,376 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/safe027_tso.opt_true-unreach-call.i [2019-01-01 00:58:08,394 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577478f6f/88ae6ba950554e97abcef52084d9726b/FLAG7b604a24b [2019-01-01 00:58:08,645 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577478f6f/88ae6ba950554e97abcef52084d9726b [2019-01-01 00:58:08,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 00:58:08,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 00:58:08,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 00:58:08,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 00:58:08,659 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 00:58:08,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:58:08" (1/1) ... [2019-01-01 00:58:08,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3ea916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:08, skipping insertion in model container [2019-01-01 00:58:08,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:58:08" (1/1) ... [2019-01-01 00:58:08,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 00:58:08,739 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 00:58:09,226 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:58:09,240 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 00:58:09,417 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:58:09,523 INFO L195 MainTranslator]: Completed translation [2019-01-01 00:58:09,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:09 WrapperNode [2019-01-01 00:58:09,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 00:58:09,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 00:58:09,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 00:58:09,526 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 00:58:09,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:09" (1/1) ... [2019-01-01 00:58:09,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:09" (1/1) ... [2019-01-01 00:58:09,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 00:58:09,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 00:58:09,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 00:58:09,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 00:58:09,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:09" (1/1) ... [2019-01-01 00:58:09,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:09" (1/1) ... [2019-01-01 00:58:09,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:09" (1/1) ... [2019-01-01 00:58:09,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:09" (1/1) ... [2019-01-01 00:58:09,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:09" (1/1) ... [2019-01-01 00:58:09,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:09" (1/1) ... [2019-01-01 00:58:09,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:09" (1/1) ... [2019-01-01 00:58:09,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 00:58:09,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 00:58:09,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 00:58:09,631 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 00:58:09,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:09" (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 00:58:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 00:58:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-01-01 00:58:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 00:58:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 00:58:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-01-01 00:58:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-01-01 00:58:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-01-01 00:58:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-01-01 00:58:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-01-01 00:58:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-01-01 00:58:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-01-01 00:58:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-01-01 00:58:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-01-01 00:58:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 00:58:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 00:58:09,711 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 00:58:10,290 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 00:58:10,291 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-01 00:58:10,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:58:10 BoogieIcfgContainer [2019-01-01 00:58:10,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 00:58:10,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 00:58:10,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 00:58:10,302 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 00:58:10,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 12:58:08" (1/3) ... [2019-01-01 00:58:10,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac7f6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:58:10, skipping insertion in model container [2019-01-01 00:58:10,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:09" (2/3) ... [2019-01-01 00:58:10,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac7f6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:58:10, skipping insertion in model container [2019-01-01 00:58:10,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:58:10" (3/3) ... [2019-01-01 00:58:10,307 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_tso.opt_true-unreach-call.i [2019-01-01 00:58:10,349 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,349 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,349 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,350 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,350 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,350 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,350 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,350 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,351 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,352 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,353 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,353 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,353 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,353 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,353 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,353 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,354 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,355 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,355 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,355 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,356 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,356 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,356 WARN L317 ript$VariableManager]: TermVariabe Thread2_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,356 WARN L317 ript$VariableManager]: TermVariabe Thread2_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,356 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,358 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,358 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,358 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,359 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,359 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,359 WARN L317 ript$VariableManager]: TermVariabe |Thread3_P3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,359 WARN L317 ript$VariableManager]: TermVariabe |Thread3_P3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,359 WARN L317 ript$VariableManager]: TermVariabe Thread3_P3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,359 WARN L317 ript$VariableManager]: TermVariabe Thread3_P3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,361 WARN L317 ript$VariableManager]: TermVariabe |Thread3_P3_#t~nondet6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,362 WARN L317 ript$VariableManager]: TermVariabe |Thread3_P3_#t~nondet6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,362 WARN L317 ript$VariableManager]: TermVariabe |Thread3_P3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,362 WARN L317 ript$VariableManager]: TermVariabe |Thread3_P3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,362 WARN L317 ript$VariableManager]: TermVariabe |Thread3_P3_#t~nondet6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,362 WARN L317 ript$VariableManager]: TermVariabe |Thread3_P3_#t~nondet6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:10,411 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-01 00:58:10,411 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 00:58:10,421 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-01 00:58:10,441 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-01 00:58:10,472 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 00:58:10,473 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 00:58:10,473 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 00:58:10,473 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 00:58:10,473 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 00:58:10,474 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 00:58:10,474 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 00:58:10,474 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 00:58:10,474 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 00:58:10,486 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 68places, 64 transitions [2019-01-01 00:58:11,665 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13136 states. [2019-01-01 00:58:11,668 INFO L276 IsEmpty]: Start isEmpty. Operand 13136 states. [2019-01-01 00:58:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-01 00:58:11,699 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:11,700 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] [2019-01-01 00:58:11,703 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:11,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:11,710 INFO L82 PathProgramCache]: Analyzing trace with hash -791038270, now seen corresponding path program 1 times [2019-01-01 00:58:11,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:11,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:11,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:11,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:11,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:12,139 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 00:58:12,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:12,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 00:58:12,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 00:58:12,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 00:58:12,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 00:58:12,164 INFO L87 Difference]: Start difference. First operand 13136 states. Second operand 4 states. [2019-01-01 00:58:12,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:12,678 INFO L93 Difference]: Finished difference Result 13742 states and 55793 transitions. [2019-01-01 00:58:12,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 00:58:12,680 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2019-01-01 00:58:12,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:12,767 INFO L225 Difference]: With dead ends: 13742 [2019-01-01 00:58:12,767 INFO L226 Difference]: Without dead ends: 5629 [2019-01-01 00:58:12,770 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 00:58:12,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5629 states. [2019-01-01 00:58:13,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5629 to 5629. [2019-01-01 00:58:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5629 states. [2019-01-01 00:58:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5629 states to 5629 states and 22352 transitions. [2019-01-01 00:58:13,126 INFO L78 Accepts]: Start accepts. Automaton has 5629 states and 22352 transitions. Word has length 35 [2019-01-01 00:58:13,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:13,129 INFO L480 AbstractCegarLoop]: Abstraction has 5629 states and 22352 transitions. [2019-01-01 00:58:13,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 00:58:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 5629 states and 22352 transitions. [2019-01-01 00:58:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-01-01 00:58:13,139 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:13,140 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] [2019-01-01 00:58:13,140 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:13,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:13,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1324297606, now seen corresponding path program 1 times [2019-01-01 00:58:13,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:13,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:13,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:13,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:13,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:13,372 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 00:58:13,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:13,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 00:58:13,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 00:58:13,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 00:58:13,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-01 00:58:13,375 INFO L87 Difference]: Start difference. First operand 5629 states and 22352 transitions. Second operand 5 states. [2019-01-01 00:58:13,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:13,897 INFO L93 Difference]: Finished difference Result 6141 states and 23832 transitions. [2019-01-01 00:58:13,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 00:58:13,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-01-01 00:58:13,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:13,945 INFO L225 Difference]: With dead ends: 6141 [2019-01-01 00:58:13,945 INFO L226 Difference]: Without dead ends: 5517 [2019-01-01 00:58:13,946 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:58:13,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5517 states. [2019-01-01 00:58:14,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5517 to 5517. [2019-01-01 00:58:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5517 states. [2019-01-01 00:58:14,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5517 states to 5517 states and 21820 transitions. [2019-01-01 00:58:14,140 INFO L78 Accepts]: Start accepts. Automaton has 5517 states and 21820 transitions. Word has length 36 [2019-01-01 00:58:14,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:14,140 INFO L480 AbstractCegarLoop]: Abstraction has 5517 states and 21820 transitions. [2019-01-01 00:58:14,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 00:58:14,141 INFO L276 IsEmpty]: Start isEmpty. Operand 5517 states and 21820 transitions. [2019-01-01 00:58:14,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-01-01 00:58:14,150 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:14,150 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] [2019-01-01 00:58:14,150 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:14,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:14,151 INFO L82 PathProgramCache]: Analyzing trace with hash -999628882, now seen corresponding path program 1 times [2019-01-01 00:58:14,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:14,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:14,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:14,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:14,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:14,320 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 00:58:14,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:14,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 00:58:14,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 00:58:14,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 00:58:14,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-01 00:58:14,322 INFO L87 Difference]: Start difference. First operand 5517 states and 21820 transitions. Second operand 6 states. [2019-01-01 00:58:14,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:14,610 INFO L93 Difference]: Finished difference Result 5453 states and 20828 transitions. [2019-01-01 00:58:14,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:58:14,612 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-01-01 00:58:14,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:14,652 INFO L225 Difference]: With dead ends: 5453 [2019-01-01 00:58:14,652 INFO L226 Difference]: Without dead ends: 4845 [2019-01-01 00:58:14,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-01-01 00:58:14,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4845 states. [2019-01-01 00:58:14,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4845 to 4845. [2019-01-01 00:58:14,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4845 states. [2019-01-01 00:58:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4845 states to 4845 states and 18796 transitions. [2019-01-01 00:58:14,818 INFO L78 Accepts]: Start accepts. Automaton has 4845 states and 18796 transitions. Word has length 37 [2019-01-01 00:58:14,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:14,819 INFO L480 AbstractCegarLoop]: Abstraction has 4845 states and 18796 transitions. [2019-01-01 00:58:14,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 00:58:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 4845 states and 18796 transitions. [2019-01-01 00:58:14,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-01 00:58:14,827 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:14,827 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 00:58:14,828 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:14,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:14,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1893784710, now seen corresponding path program 1 times [2019-01-01 00:58:14,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:14,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:14,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:14,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:14,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:15,011 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 00:58:15,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:15,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:58:15,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:58:15,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:58:15,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:58:15,014 INFO L87 Difference]: Start difference. First operand 4845 states and 18796 transitions. Second operand 7 states. [2019-01-01 00:58:15,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:15,521 INFO L93 Difference]: Finished difference Result 3565 states and 13036 transitions. [2019-01-01 00:58:15,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 00:58:15,522 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2019-01-01 00:58:15,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:15,539 INFO L225 Difference]: With dead ends: 3565 [2019-01-01 00:58:15,539 INFO L226 Difference]: Without dead ends: 3053 [2019-01-01 00:58:15,539 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2019-01-01 00:58:15,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2019-01-01 00:58:15,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 3053. [2019-01-01 00:58:15,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3053 states. [2019-01-01 00:58:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 11180 transitions. [2019-01-01 00:58:15,662 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 11180 transitions. Word has length 38 [2019-01-01 00:58:15,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:15,665 INFO L480 AbstractCegarLoop]: Abstraction has 3053 states and 11180 transitions. [2019-01-01 00:58:15,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:58:15,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 11180 transitions. [2019-01-01 00:58:15,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-01 00:58:15,674 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:15,674 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] [2019-01-01 00:58:15,675 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:15,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:15,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1572457708, now seen corresponding path program 1 times [2019-01-01 00:58:15,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:15,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:15,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:15,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:15,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:15,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 00:58:15,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:15,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:58:15,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:58:15,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:58:15,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:58:15,896 INFO L87 Difference]: Start difference. First operand 3053 states and 11180 transitions. Second operand 7 states. [2019-01-01 00:58:16,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:16,139 INFO L93 Difference]: Finished difference Result 4733 states and 17540 transitions. [2019-01-01 00:58:16,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:58:16,140 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2019-01-01 00:58:16,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:16,152 INFO L225 Difference]: With dead ends: 4733 [2019-01-01 00:58:16,153 INFO L226 Difference]: Without dead ends: 2457 [2019-01-01 00:58:16,153 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-01-01 00:58:16,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2457 states. [2019-01-01 00:58:16,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2457 to 2457. [2019-01-01 00:58:16,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2457 states. [2019-01-01 00:58:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2457 states and 9124 transitions. [2019-01-01 00:58:16,313 INFO L78 Accepts]: Start accepts. Automaton has 2457 states and 9124 transitions. Word has length 39 [2019-01-01 00:58:16,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:16,313 INFO L480 AbstractCegarLoop]: Abstraction has 2457 states and 9124 transitions. [2019-01-01 00:58:16,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:58:16,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 9124 transitions. [2019-01-01 00:58:16,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-01 00:58:16,318 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:16,318 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] [2019-01-01 00:58:16,318 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:16,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:16,319 INFO L82 PathProgramCache]: Analyzing trace with hash 540968834, now seen corresponding path program 2 times [2019-01-01 00:58:16,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:16,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:16,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:16,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:16,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:16,707 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 00:58:16,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:16,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:58:16,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:58:16,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:58:16,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:58:16,708 INFO L87 Difference]: Start difference. First operand 2457 states and 9124 transitions. Second operand 7 states. [2019-01-01 00:58:16,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:16,874 INFO L93 Difference]: Finished difference Result 4057 states and 15220 transitions. [2019-01-01 00:58:16,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:58:16,875 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2019-01-01 00:58:16,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:16,885 INFO L225 Difference]: With dead ends: 4057 [2019-01-01 00:58:16,886 INFO L226 Difference]: Without dead ends: 2261 [2019-01-01 00:58:16,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-01-01 00:58:16,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2019-01-01 00:58:16,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 2261. [2019-01-01 00:58:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2261 states. [2019-01-01 00:58:16,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 8528 transitions. [2019-01-01 00:58:16,956 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 8528 transitions. Word has length 39 [2019-01-01 00:58:16,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:16,956 INFO L480 AbstractCegarLoop]: Abstraction has 2261 states and 8528 transitions. [2019-01-01 00:58:16,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:58:16,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 8528 transitions. [2019-01-01 00:58:16,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-01 00:58:16,959 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:16,959 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] [2019-01-01 00:58:16,960 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:16,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:16,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1549190684, now seen corresponding path program 3 times [2019-01-01 00:58:16,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:16,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:16,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:16,965 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 00:58:16,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:17,377 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 00:58:17,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:17,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:58:17,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:58:17,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:58:17,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:58:17,378 INFO L87 Difference]: Start difference. First operand 2261 states and 8528 transitions. Second operand 7 states. [2019-01-01 00:58:17,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:17,565 INFO L93 Difference]: Finished difference Result 3797 states and 14416 transitions. [2019-01-01 00:58:17,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:58:17,566 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2019-01-01 00:58:17,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:17,576 INFO L225 Difference]: With dead ends: 3797 [2019-01-01 00:58:17,576 INFO L226 Difference]: Without dead ends: 2161 [2019-01-01 00:58:17,576 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-01-01 00:58:17,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2161 states. [2019-01-01 00:58:17,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2161 to 2161. [2019-01-01 00:58:17,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2161 states. [2019-01-01 00:58:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 2161 states and 8220 transitions. [2019-01-01 00:58:17,635 INFO L78 Accepts]: Start accepts. Automaton has 2161 states and 8220 transitions. Word has length 39 [2019-01-01 00:58:17,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:17,636 INFO L480 AbstractCegarLoop]: Abstraction has 2161 states and 8220 transitions. [2019-01-01 00:58:17,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:58:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 8220 transitions. [2019-01-01 00:58:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-01 00:58:17,639 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:17,639 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] [2019-01-01 00:58:17,639 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:17,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:17,639 INFO L82 PathProgramCache]: Analyzing trace with hash -481726390, now seen corresponding path program 4 times [2019-01-01 00:58:17,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:17,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:17,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:17,642 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 00:58:17,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:17,956 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 00:58:17,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:17,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 00:58:17,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 00:58:17,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 00:58:17,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:58:17,958 INFO L87 Difference]: Start difference. First operand 2161 states and 8220 transitions. Second operand 7 states. [2019-01-01 00:58:18,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:18,071 INFO L93 Difference]: Finished difference Result 1649 states and 6172 transitions. [2019-01-01 00:58:18,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 00:58:18,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2019-01-01 00:58:18,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:18,072 INFO L225 Difference]: With dead ends: 1649 [2019-01-01 00:58:18,072 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 00:58:18,072 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-01-01 00:58:18,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 00:58:18,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 00:58:18,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 00:58:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 00:58:18,073 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-01-01 00:58:18,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:18,073 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 00:58:18,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 00:58:18,074 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 00:58:18,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 00:58:18,077 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-01-01 00:58:18,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 12:58:18 BasicIcfg [2019-01-01 00:58:18,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 00:58:18,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 00:58:18,079 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 00:58:18,080 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 00:58:18,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:58:10" (3/4) ... [2019-01-01 00:58:18,084 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 00:58:18,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-01-01 00:58:18,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-01-01 00:58:18,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-01-01 00:58:18,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2019-01-01 00:58:18,098 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-01-01 00:58:18,098 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 00:58:18,153 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 00:58:18,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 00:58:18,154 INFO L168 Benchmark]: Toolchain (without parser) took 9504.00 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 340.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 219.0 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:18,156 INFO L168 Benchmark]: CDTParser took 0.49 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 00:58:18,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:18,157 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.99 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. [2019-01-01 00:58:18,158 INFO L168 Benchmark]: Boogie Preprocessor took 33.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:18,158 INFO L168 Benchmark]: RCFGBuilder took 661.06 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:18,159 INFO L168 Benchmark]: TraceAbstraction took 7782.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 208.0 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:18,160 INFO L168 Benchmark]: Witness Printer took 73.64 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 00:58:18,164 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 870.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.99 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. * Boogie Preprocessor took 33.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 661.06 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7782.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 208.0 MB. Max. memory is 11.5 GB. * Witness Printer took 73.64 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. 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 9 procedures, 88 locations, 1 error locations. SAFE Result, 7.6s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 560 SDtfs, 855 SDslu, 1528 SDs, 0 SdLazy, 188 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13136occurred 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: 1.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 302 NumberOfCodeBlocks, 302 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 27742 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...