./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/safe036_power.oepc_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/safe036_power.oepc_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 682260c68df579a54209e4c4117dafb77dc0a1b2 ............................................................................................................................................................................................................................................................................................................................................................................................ 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 00:58:49,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 00:58:49,889 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 00:58:49,906 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 00:58:49,906 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 00:58:49,907 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 00:58:49,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 00:58:49,911 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 00:58:49,913 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 00:58:49,914 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 00:58:49,916 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 00:58:49,916 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 00:58:49,917 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 00:58:49,918 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 00:58:49,919 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 00:58:49,921 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 00:58:49,922 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 00:58:49,924 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 00:58:49,926 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 00:58:49,928 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 00:58:49,929 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 00:58:49,930 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 00:58:49,933 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 00:58:49,934 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 00:58:49,934 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 00:58:49,935 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 00:58:49,937 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 00:58:49,938 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 00:58:49,939 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 00:58:49,941 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 00:58:49,941 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 00:58:49,942 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 00:58:49,942 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 00:58:49,942 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 00:58:49,944 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 00:58:49,945 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 00:58:49,945 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-01 00:58:49,961 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 00:58:49,961 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 00:58:49,963 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 00:58:49,963 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 00:58:49,964 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 00:58:49,964 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 00:58:49,964 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 00:58:49,964 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 00:58:49,964 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 00:58:49,966 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 00:58:49,967 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 00:58:49,967 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 00:58:49,967 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 00:58:49,967 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 00:58:49,967 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 00:58:49,968 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 00:58:49,968 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 00:58:49,969 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 00:58:49,969 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 00:58:49,969 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 00:58:49,969 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 00:58:49,969 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 00:58:49,969 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 00:58:49,972 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 00:58:49,972 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 00:58:49,972 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 00:58:49,972 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 00:58:49,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 00:58:49,974 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 -> 682260c68df579a54209e4c4117dafb77dc0a1b2 [2019-01-01 00:58:50,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 00:58:50,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 00:58:50,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 00:58:50,043 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 00:58:50,044 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 00:58:50,045 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/safe036_power.oepc_true-unreach-call.i [2019-01-01 00:58:50,119 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f4f00eb7/9071c3555c0547e29bcbfeb11b05a6a5/FLAG46bdd8d00 [2019-01-01 00:58:50,743 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 00:58:50,744 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/safe036_power.oepc_true-unreach-call.i [2019-01-01 00:58:50,761 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f4f00eb7/9071c3555c0547e29bcbfeb11b05a6a5/FLAG46bdd8d00 [2019-01-01 00:58:51,012 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f4f00eb7/9071c3555c0547e29bcbfeb11b05a6a5 [2019-01-01 00:58:51,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 00:58:51,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 00:58:51,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 00:58:51,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 00:58:51,026 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 00:58:51,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:58:51" (1/1) ... [2019-01-01 00:58:51,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422ea0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51, skipping insertion in model container [2019-01-01 00:58:51,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 12:58:51" (1/1) ... [2019-01-01 00:58:51,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 00:58:51,101 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 00:58:51,564 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:58:51,578 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 00:58:51,694 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 00:58:51,771 INFO L195 MainTranslator]: Completed translation [2019-01-01 00:58:51,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51 WrapperNode [2019-01-01 00:58:51,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 00:58:51,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 00:58:51,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 00:58:51,773 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 00:58:51,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51" (1/1) ... [2019-01-01 00:58:51,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51" (1/1) ... [2019-01-01 00:58:51,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 00:58:51,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 00:58:51,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 00:58:51,839 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 00:58:51,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51" (1/1) ... [2019-01-01 00:58:51,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51" (1/1) ... [2019-01-01 00:58:51,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51" (1/1) ... [2019-01-01 00:58:51,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51" (1/1) ... [2019-01-01 00:58:51,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51" (1/1) ... [2019-01-01 00:58:51,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51" (1/1) ... [2019-01-01 00:58:51,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51" (1/1) ... [2019-01-01 00:58:51,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 00:58:51,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 00:58:51,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 00:58:51,900 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 00:58:51,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51" (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 00:58:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 00:58:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-01-01 00:58:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 00:58:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 00:58:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-01-01 00:58:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-01-01 00:58:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-01-01 00:58:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-01-01 00:58:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-01-01 00:58:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 00:58:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 00:58:51,984 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 00:58:52,519 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 00:58:52,520 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-01 00:58:52,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:58:52 BoogieIcfgContainer [2019-01-01 00:58:52,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 00:58:52,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 00:58:52,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 00:58:52,526 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 00:58:52,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 12:58:51" (1/3) ... [2019-01-01 00:58:52,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbffb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:58:52, skipping insertion in model container [2019-01-01 00:58:52,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 12:58:51" (2/3) ... [2019-01-01 00:58:52,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbffb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 12:58:52, skipping insertion in model container [2019-01-01 00:58:52,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:58:52" (3/3) ... [2019-01-01 00:58:52,530 INFO L112 eAbstractionObserver]: Analyzing ICFG safe036_power.oepc_true-unreach-call.i [2019-01-01 00:58:52,566 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,566 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,566 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,566 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,568 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,568 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,568 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,568 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,568 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,569 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,570 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,570 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,570 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,571 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,571 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,571 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,571 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,571 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,573 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,573 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 00:58:52,601 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-01 00:58:52,601 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 00:58:52,610 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-01 00:58:52,625 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-01 00:58:52,651 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 00:58:52,652 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 00:58:52,652 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 00:58:52,652 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 00:58:52,652 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 00:58:52,653 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 00:58:52,653 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 00:58:52,654 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 00:58:52,654 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 00:58:52,664 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44places, 42 transitions [2019-01-01 00:58:52,704 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 434 states. [2019-01-01 00:58:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states. [2019-01-01 00:58:52,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-01 00:58:52,720 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:52,721 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] [2019-01-01 00:58:52,724 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:52,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:52,731 INFO L82 PathProgramCache]: Analyzing trace with hash 2119373415, now seen corresponding path program 1 times [2019-01-01 00:58:52,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:52,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:52,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:52,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:52,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:53,094 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 00:58:53,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:53,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 00:58:53,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 00:58:53,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 00:58:53,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 00:58:53,124 INFO L87 Difference]: Start difference. First operand 434 states. Second operand 4 states. [2019-01-01 00:58:53,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:53,265 INFO L93 Difference]: Finished difference Result 444 states and 1061 transitions. [2019-01-01 00:58:53,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 00:58:53,269 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-01-01 00:58:53,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:53,287 INFO L225 Difference]: With dead ends: 444 [2019-01-01 00:58:53,288 INFO L226 Difference]: Without dead ends: 227 [2019-01-01 00:58:53,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 00:58:53,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-01-01 00:58:53,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2019-01-01 00:58:53,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-01-01 00:58:53,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 524 transitions. [2019-01-01 00:58:53,350 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 524 transitions. Word has length 25 [2019-01-01 00:58:53,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:53,350 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 524 transitions. [2019-01-01 00:58:53,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 00:58:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 524 transitions. [2019-01-01 00:58:53,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-01 00:58:53,354 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:53,354 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] [2019-01-01 00:58:53,354 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:53,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:53,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1838814607, now seen corresponding path program 1 times [2019-01-01 00:58:53,355 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:53,355 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:53,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:53,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:53,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:53,506 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 00:58:53,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:53,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 00:58:53,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 00:58:53,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 00:58:53,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-01 00:58:53,509 INFO L87 Difference]: Start difference. First operand 227 states and 524 transitions. Second operand 5 states. [2019-01-01 00:58:53,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:53,685 INFO L93 Difference]: Finished difference Result 195 states and 416 transitions. [2019-01-01 00:58:53,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 00:58:53,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-01-01 00:58:53,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:53,691 INFO L225 Difference]: With dead ends: 195 [2019-01-01 00:58:53,691 INFO L226 Difference]: Without dead ends: 171 [2019-01-01 00:58:53,693 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-01-01 00:58:53,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-01-01 00:58:53,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2019-01-01 00:58:53,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-01-01 00:58:53,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 370 transitions. [2019-01-01 00:58:53,712 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 370 transitions. Word has length 26 [2019-01-01 00:58:53,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:53,714 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 370 transitions. [2019-01-01 00:58:53,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 00:58:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 370 transitions. [2019-01-01 00:58:53,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-01 00:58:53,717 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:53,718 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] [2019-01-01 00:58:53,718 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:53,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:53,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1630101547, now seen corresponding path program 1 times [2019-01-01 00:58:53,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:53,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:53,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:53,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:53,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:54,210 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 00:58:54,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:54,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-01 00:58:54,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 00:58:54,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 00:58:54,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-01-01 00:58:54,212 INFO L87 Difference]: Start difference. First operand 171 states and 370 transitions. Second operand 9 states. [2019-01-01 00:58:54,521 WARN L181 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-01 00:58:54,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:54,748 INFO L93 Difference]: Finished difference Result 267 states and 594 transitions. [2019-01-01 00:58:54,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-01 00:58:54,748 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2019-01-01 00:58:54,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:54,750 INFO L225 Difference]: With dead ends: 267 [2019-01-01 00:58:54,750 INFO L226 Difference]: Without dead ends: 167 [2019-01-01 00:58:54,751 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2019-01-01 00:58:54,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-01-01 00:58:54,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2019-01-01 00:58:54,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-01-01 00:58:54,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 362 transitions. [2019-01-01 00:58:54,766 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 362 transitions. Word has length 27 [2019-01-01 00:58:54,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:54,766 INFO L480 AbstractCegarLoop]: Abstraction has 167 states and 362 transitions. [2019-01-01 00:58:54,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 00:58:54,767 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 362 transitions. [2019-01-01 00:58:54,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-01 00:58:54,769 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 00:58:54,769 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] [2019-01-01 00:58:54,771 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-01 00:58:54,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 00:58:54,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1348708445, now seen corresponding path program 2 times [2019-01-01 00:58:54,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 00:58:54,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 00:58:54,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:54,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 00:58:54,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 00:58:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 00:58:55,124 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 00:58:55,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 00:58:55,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-01 00:58:55,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 00:58:55,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 00:58:55,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-01-01 00:58:55,127 INFO L87 Difference]: Start difference. First operand 167 states and 362 transitions. Second operand 9 states. [2019-01-01 00:58:55,453 WARN L181 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-01 00:58:55,954 WARN L181 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2019-01-01 00:58:55,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 00:58:55,956 INFO L93 Difference]: Finished difference Result 135 states and 282 transitions. [2019-01-01 00:58:55,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-01 00:58:55,957 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2019-01-01 00:58:55,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 00:58:55,957 INFO L225 Difference]: With dead ends: 135 [2019-01-01 00:58:55,958 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 00:58:55,958 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2019-01-01 00:58:55,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 00:58:55,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 00:58:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 00:58:55,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 00:58:55,959 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-01-01 00:58:55,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 00:58:55,959 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 00:58:55,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 00:58:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 00:58:55,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 00:58:55,966 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-01-01 00:58:55,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 12:58:55 BasicIcfg [2019-01-01 00:58:55,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 00:58:55,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 00:58:55,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 00:58:55,968 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 00:58:55,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 12:58:52" (3/4) ... [2019-01-01 00:58:55,973 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 00:58:55,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-01-01 00:58:55,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-01-01 00:58:55,984 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-01-01 00:58:55,984 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 00:58:56,030 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 00:58:56,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 00:58:56,031 INFO L168 Benchmark]: Toolchain (without parser) took 5013.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 952.7 MB in the beginning and 951.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 131.9 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:56,033 INFO L168 Benchmark]: CDTParser took 0.67 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 00:58:56,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:56,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.87 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 00:58:56,036 INFO L168 Benchmark]: Boogie Preprocessor took 59.84 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:56,037 INFO L168 Benchmark]: RCFGBuilder took 622.03 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:56,038 INFO L168 Benchmark]: TraceAbstraction took 3445.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.1 MB in the end (delta: 120.3 MB). Peak memory consumption was 120.3 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:56,039 INFO L168 Benchmark]: Witness Printer took 62.62 ms. Allocated memory is still 1.2 GB. Free memory was 958.1 MB in the beginning and 951.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 00:58:56,044 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 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 750.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.87 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 59.84 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 622.03 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3445.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.1 MB in the end (delta: 120.3 MB). Peak memory consumption was 120.3 MB. Max. memory is 11.5 GB. * Witness Printer took 62.62 ms. Allocated memory is still 1.2 GB. Free memory was 958.1 MB in the beginning and 951.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 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 5 procedures, 54 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 169 SDtfs, 197 SDslu, 548 SDs, 0 SdLazy, 107 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=434occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 8585 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...