./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/dekker_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/dekker_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6acd1b4df42e10450e7d05fa6ddd1043597a40b7 .................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 15:45:07,043 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:45:07,044 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:45:07,050 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:45:07,050 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:45:07,051 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:45:07,051 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:45:07,052 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:45:07,053 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:45:07,053 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:45:07,054 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:45:07,054 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:45:07,054 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:45:07,055 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:45:07,055 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:45:07,056 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:45:07,056 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:45:07,057 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:45:07,058 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:45:07,059 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:45:07,059 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:45:07,060 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:45:07,061 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:45:07,061 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:45:07,061 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:45:07,061 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:45:07,062 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:45:07,062 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:45:07,063 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:45:07,063 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:45:07,063 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:45:07,064 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:45:07,064 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:45:07,064 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:45:07,064 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:45:07,065 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:45:07,065 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 15:45:07,071 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:45:07,072 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:45:07,072 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 15:45:07,072 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 15:45:07,072 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 15:45:07,073 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 15:45:07,073 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 15:45:07,073 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:45:07,073 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:45:07,073 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 15:45:07,073 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:45:07,073 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:45:07,073 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 15:45:07,073 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:45:07,073 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 15:45:07,073 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:45:07,074 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 15:45:07,074 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 15:45:07,074 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 15:45:07,074 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:45:07,074 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 15:45:07,074 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:45:07,074 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 15:45:07,074 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 15:45:07,074 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:45:07,074 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:45:07,074 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 15:45:07,075 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 15:45:07,075 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:45:07,075 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 15:45:07,075 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6acd1b4df42e10450e7d05fa6ddd1043597a40b7 [2018-12-08 15:45:07,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:45:07,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:45:07,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:45:07,101 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:45:07,101 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:45:07,102 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-atomic/dekker_true-unreach-call.i [2018-12-08 15:45:07,137 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer/data/4bfbbc75c/160b115bb8a2449eb21564a92c1d3def/FLAGfb3d04268 [2018-12-08 15:45:07,542 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:45:07,542 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/sv-benchmarks/c/pthread-atomic/dekker_true-unreach-call.i [2018-12-08 15:45:07,549 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer/data/4bfbbc75c/160b115bb8a2449eb21564a92c1d3def/FLAGfb3d04268 [2018-12-08 15:45:07,868 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer/data/4bfbbc75c/160b115bb8a2449eb21564a92c1d3def [2018-12-08 15:45:07,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:45:07,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:45:07,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:45:07,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:45:07,873 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:45:07,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:45:07" (1/1) ... [2018-12-08 15:45:07,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e48869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:07, skipping insertion in model container [2018-12-08 15:45:07,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:45:07" (1/1) ... [2018-12-08 15:45:07,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:45:07,899 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:45:08,049 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:45:08,056 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:45:08,116 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:45:08,144 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:45:08,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:08 WrapperNode [2018-12-08 15:45:08,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:45:08,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:45:08,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:45:08,145 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:45:08,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:08" (1/1) ... [2018-12-08 15:45:08,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:08" (1/1) ... [2018-12-08 15:45:08,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:45:08,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:45:08,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:45:08,171 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:45:08,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:08" (1/1) ... [2018-12-08 15:45:08,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:08" (1/1) ... [2018-12-08 15:45:08,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:08" (1/1) ... [2018-12-08 15:45:08,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:08" (1/1) ... [2018-12-08 15:45:08,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:08" (1/1) ... [2018-12-08 15:45:08,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:08" (1/1) ... [2018-12-08 15:45:08,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:08" (1/1) ... [2018-12-08 15:45:08,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:45:08,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:45:08,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:45:08,188 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:45:08,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 15:45:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 15:45:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 15:45:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-08 15:45:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-08 15:45:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-08 15:45:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-08 15:45:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 15:45:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 15:45:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:45:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:45:08,230 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 15:45:08,402 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:45:08,402 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 15:45:08,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:45:08 BoogieIcfgContainer [2018-12-08 15:45:08,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:45:08,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 15:45:08,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 15:45:08,405 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 15:45:08,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:45:07" (1/3) ... [2018-12-08 15:45:08,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b7bf2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:45:08, skipping insertion in model container [2018-12-08 15:45:08,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:45:08" (2/3) ... [2018-12-08 15:45:08,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b7bf2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:45:08, skipping insertion in model container [2018-12-08 15:45:08,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:45:08" (3/3) ... [2018-12-08 15:45:08,407 INFO L112 eAbstractionObserver]: Analyzing ICFG dekker_true-unreach-call.i [2018-12-08 15:45:08,426 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:45:08,426 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:45:08,426 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:45:08,426 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:45:08,427 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:45:08,427 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:45:08,427 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:45:08,427 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:45:08,427 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:45:08,427 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:45:08,428 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:45:08,428 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 15:45:08,441 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 15:45:08,441 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 15:45:08,446 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-12-08 15:45:08,455 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-12-08 15:45:08,470 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 15:45:08,470 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 15:45:08,470 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 15:45:08,470 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 15:45:08,470 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 15:45:08,471 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 15:45:08,471 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 15:45:08,471 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 15:45:08,471 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 15:45:08,476 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63places, 74 transitions [2018-12-08 15:45:08,504 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 934 states. [2018-12-08 15:45:08,505 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states. [2018-12-08 15:45:08,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 15:45:08,510 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:08,511 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:45:08,512 INFO L423 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:08,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:08,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1525123433, now seen corresponding path program 1 times [2018-12-08 15:45:08,517 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 15:45:08,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 15:45:08,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:08,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:08,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:08,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:45:08,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:08,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 15:45:08,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 15:45:08,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 15:45:08,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:45:08,632 INFO L87 Difference]: Start difference. First operand 934 states. Second operand 3 states. [2018-12-08 15:45:08,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:08,678 INFO L93 Difference]: Finished difference Result 1075 states and 2820 transitions. [2018-12-08 15:45:08,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 15:45:08,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-12-08 15:45:08,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:08,690 INFO L225 Difference]: With dead ends: 1075 [2018-12-08 15:45:08,690 INFO L226 Difference]: Without dead ends: 685 [2018-12-08 15:45:08,691 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:45:08,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2018-12-08 15:45:08,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 631. [2018-12-08 15:45:08,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2018-12-08 15:45:08,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 1740 transitions. [2018-12-08 15:45:08,734 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 1740 transitions. Word has length 19 [2018-12-08 15:45:08,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:08,735 INFO L480 AbstractCegarLoop]: Abstraction has 631 states and 1740 transitions. [2018-12-08 15:45:08,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 15:45:08,735 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1740 transitions. [2018-12-08 15:45:08,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 15:45:08,736 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:08,736 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] [2018-12-08 15:45:08,736 INFO L423 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:08,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:08,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1156667429, now seen corresponding path program 1 times [2018-12-08 15:45:08,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 15:45:08,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 15:45:08,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:08,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:08,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:08,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:45:08,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:08,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 15:45:08,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 15:45:08,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 15:45:08,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:45:08,765 INFO L87 Difference]: Start difference. First operand 631 states and 1740 transitions. Second operand 3 states. [2018-12-08 15:45:08,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:08,780 INFO L93 Difference]: Finished difference Result 583 states and 1568 transitions. [2018-12-08 15:45:08,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 15:45:08,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-12-08 15:45:08,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:08,782 INFO L225 Difference]: With dead ends: 583 [2018-12-08 15:45:08,782 INFO L226 Difference]: Without dead ends: 406 [2018-12-08 15:45:08,783 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:45:08,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2018-12-08 15:45:08,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2018-12-08 15:45:08,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2018-12-08 15:45:08,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 1091 transitions. [2018-12-08 15:45:08,792 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 1091 transitions. Word has length 22 [2018-12-08 15:45:08,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:08,792 INFO L480 AbstractCegarLoop]: Abstraction has 406 states and 1091 transitions. [2018-12-08 15:45:08,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 15:45:08,792 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 1091 transitions. [2018-12-08 15:45:08,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 15:45:08,794 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:08,794 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] [2018-12-08 15:45:08,794 INFO L423 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:08,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:08,794 INFO L82 PathProgramCache]: Analyzing trace with hash 196783262, now seen corresponding path program 1 times [2018-12-08 15:45:08,794 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 15:45:08,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 15:45:08,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:08,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:08,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:45:08,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:08,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 15:45:08,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 15:45:08,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 15:45:08,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:45:08,822 INFO L87 Difference]: Start difference. First operand 406 states and 1091 transitions. Second operand 3 states. [2018-12-08 15:45:08,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:08,833 INFO L93 Difference]: Finished difference Result 406 states and 1076 transitions. [2018-12-08 15:45:08,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 15:45:08,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-12-08 15:45:08,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:08,834 INFO L225 Difference]: With dead ends: 406 [2018-12-08 15:45:08,834 INFO L226 Difference]: Without dead ends: 364 [2018-12-08 15:45:08,834 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:45:08,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-12-08 15:45:08,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2018-12-08 15:45:08,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2018-12-08 15:45:08,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 952 transitions. [2018-12-08 15:45:08,840 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 952 transitions. Word has length 26 [2018-12-08 15:45:08,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:08,840 INFO L480 AbstractCegarLoop]: Abstraction has 364 states and 952 transitions. [2018-12-08 15:45:08,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 15:45:08,840 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 952 transitions. [2018-12-08 15:45:08,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 15:45:08,841 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:45:08,841 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] [2018-12-08 15:45:08,841 INFO L423 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:45:08,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:45:08,841 INFO L82 PathProgramCache]: Analyzing trace with hash 404774520, now seen corresponding path program 1 times [2018-12-08 15:45:08,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 15:45:08,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 15:45:08,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:08,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:45:08,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:45:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:45:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:45:08,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:45:08,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 15:45:08,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 15:45:08,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 15:45:08,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:45:08,866 INFO L87 Difference]: Start difference. First operand 364 states and 952 transitions. Second operand 3 states. [2018-12-08 15:45:08,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:45:08,874 INFO L93 Difference]: Finished difference Result 229 states and 664 transitions. [2018-12-08 15:45:08,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 15:45:08,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-12-08 15:45:08,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:45:08,874 INFO L225 Difference]: With dead ends: 229 [2018-12-08 15:45:08,874 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 15:45:08,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:45:08,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 15:45:08,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 15:45:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 15:45:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 15:45:08,875 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-12-08 15:45:08,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:45:08,875 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 15:45:08,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 15:45:08,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 15:45:08,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 15:45:08,877 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-08 15:45:08,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:45:08 BasicIcfg [2018-12-08 15:45:08,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 15:45:08,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 15:45:08,879 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 15:45:08,879 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 15:45:08,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:45:08" (3/4) ... [2018-12-08 15:45:08,881 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 15:45:08,886 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2018-12-08 15:45:08,886 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2018-12-08 15:45:08,888 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 15:45:08,888 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 15:45:08,911 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_967aebbe-ecf9-49c9-adff-b7cea00a74ad/bin-2019/uautomizer/witness.graphml [2018-12-08 15:45:08,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 15:45:08,912 INFO L168 Benchmark]: Toolchain (without parser) took 1042.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 949.6 MB in the beginning and 983.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 83.5 MB. Max. memory is 11.5 GB. [2018-12-08 15:45:08,913 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:45:08,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-08 15:45:08,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-12-08 15:45:08,914 INFO L168 Benchmark]: Boogie Preprocessor took 16.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:45:08,914 INFO L168 Benchmark]: RCFGBuilder took 214.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-12-08 15:45:08,915 INFO L168 Benchmark]: TraceAbstraction took 475.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.5 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. [2018-12-08 15:45:08,915 INFO L168 Benchmark]: Witness Printer took 32.99 ms. Allocated memory is still 1.1 GB. Free memory is still 983.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:45:08,916 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 214.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 475.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.5 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. * Witness Printer took 32.99 ms. Allocated memory is still 1.1 GB. Free memory is still 983.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 664]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 649]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 664]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 649]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 95 locations, 4 error locations. SAFE Result, 0.4s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 273 SDtfs, 127 SDslu, 150 SDs, 0 SdLazy, 24 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=934occurred 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, 54 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 2543 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...