./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/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 a6a89f9f46b1412575f1266b3402a81524b5e7b5 .............................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:54:54,769 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:54:54,770 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:54:54,778 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:54:54,778 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:54:54,779 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:54:54,780 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:54:54,781 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:54:54,782 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:54:54,783 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:54:54,784 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:54:54,784 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:54:54,785 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:54:54,786 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:54:54,786 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:54:54,787 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:54:54,788 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:54:54,789 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:54:54,790 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:54:54,792 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:54:54,792 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:54:54,793 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:54:54,795 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:54:54,795 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:54:54,795 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:54:54,796 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:54:54,797 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:54:54,797 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:54:54,798 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:54:54,798 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:54:54,799 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:54:54,799 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:54:54,799 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:54:54,799 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:54:54,800 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:54:54,801 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:54:54,801 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 01:54:54,811 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:54:54,811 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:54:54,812 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:54:54,812 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:54:54,812 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:54:54,813 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:54:54,813 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:54:54,813 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:54:54,813 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:54:54,813 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:54:54,813 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:54:54,813 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:54:54,814 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:54:54,814 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:54:54,814 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:54:54,814 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:54:54,814 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:54:54,814 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:54:54,814 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:54:54,815 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:54:54,815 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:54:54,815 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:54:54,815 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:54:54,815 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:54:54,815 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:54:54,815 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:54:54,816 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:54:54,816 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 01:54:54,816 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:54:54,816 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:54:54,816 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_d4f33735-9284-4813-b743-1af65178d476/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 -> a6a89f9f46b1412575f1266b3402a81524b5e7b5 [2018-11-23 01:54:54,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:54:54,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:54:54,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:54:54,850 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:54:54,850 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:54:54,850 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i [2018-11-23 01:54:54,885 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/bin-2019/uautomizer/data/9de3c20cb/1eadaf64a6964f87ae2ad02b389a8316/FLAGcb03151e3 [2018-11-23 01:54:55,308 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:54:55,308 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i [2018-11-23 01:54:55,318 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/bin-2019/uautomizer/data/9de3c20cb/1eadaf64a6964f87ae2ad02b389a8316/FLAGcb03151e3 [2018-11-23 01:54:55,329 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/bin-2019/uautomizer/data/9de3c20cb/1eadaf64a6964f87ae2ad02b389a8316 [2018-11-23 01:54:55,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:54:55,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:54:55,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:54:55,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:54:55,336 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:54:55,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:55" (1/1) ... [2018-11-23 01:54:55,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ab206d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:55, skipping insertion in model container [2018-11-23 01:54:55,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:55" (1/1) ... [2018-11-23 01:54:55,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:54:55,374 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:54:55,574 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:54:55,583 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:54:55,653 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:54:55,697 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:54:55,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:55 WrapperNode [2018-11-23 01:54:55,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:54:55,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:54:55,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:54:55,699 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:54:55,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:55" (1/1) ... [2018-11-23 01:54:55,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:55" (1/1) ... [2018-11-23 01:54:55,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:54:55,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:54:55,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:54:55,735 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:54:55,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:55" (1/1) ... [2018-11-23 01:54:55,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:55" (1/1) ... [2018-11-23 01:54:55,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:55" (1/1) ... [2018-11-23 01:54:55,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:55" (1/1) ... [2018-11-23 01:54:55,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:55" (1/1) ... [2018-11-23 01:54:55,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:55" (1/1) ... [2018-11-23 01:54:55,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:55" (1/1) ... [2018-11-23 01:54:55,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:54:55,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:54:55,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:54:55,756 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:54:55,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:54:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:54:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 01:54:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 01:54:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 01:54:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 01:54:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:54:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:54:55,820 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 01:54:56,052 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:54:56,052 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 01:54:56,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:54:56 BoogieIcfgContainer [2018-11-23 01:54:56,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:54:56,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:54:56,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:54:56,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:54:56,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:54:55" (1/3) ... [2018-11-23 01:54:56,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6debb6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:54:56, skipping insertion in model container [2018-11-23 01:54:56,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:55" (2/3) ... [2018-11-23 01:54:56,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6debb6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:54:56, skipping insertion in model container [2018-11-23 01:54:56,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:54:56" (3/3) ... [2018-11-23 01:54:56,059 INFO L112 eAbstractionObserver]: Analyzing ICFG 16_peterson_true-unreach-call.i [2018-11-23 01:54:56,086 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:54:56,087 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:54:56,087 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:54:56,087 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:54:56,087 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:54:56,088 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 01:54:56,093 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 01:54:56,093 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:54:56,098 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-23 01:54:56,113 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-23 01:54:56,134 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 01:54:56,135 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:54:56,135 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:54:56,135 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:54:56,135 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:54:56,135 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:54:56,135 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:54:56,136 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:54:56,136 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:54:56,144 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45places, 49 transitions [2018-11-23 01:54:56,163 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 275 states. [2018-11-23 01:54:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states. [2018-11-23 01:54:56,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 01:54:56,172 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:56,173 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:54:56,175 INFO L423 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:56,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:56,180 INFO L82 PathProgramCache]: Analyzing trace with hash 929769553, now seen corresponding path program 1 times [2018-11-23 01:54:56,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:54:56,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:54:56,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:56,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:56,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:56,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:54:56,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:54:56,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:54:56,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 01:54:56,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 01:54:56,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:54:56,300 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 2 states. [2018-11-23 01:54:56,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:54:56,321 INFO L93 Difference]: Finished difference Result 275 states and 539 transitions. [2018-11-23 01:54:56,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 01:54:56,322 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-23 01:54:56,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:54:56,330 INFO L225 Difference]: With dead ends: 275 [2018-11-23 01:54:56,330 INFO L226 Difference]: Without dead ends: 235 [2018-11-23 01:54:56,331 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:54:56,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-11-23 01:54:56,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-11-23 01:54:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-11-23 01:54:56,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 459 transitions. [2018-11-23 01:54:56,365 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 459 transitions. Word has length 18 [2018-11-23 01:54:56,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:54:56,365 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 459 transitions. [2018-11-23 01:54:56,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 01:54:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 459 transitions. [2018-11-23 01:54:56,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 01:54:56,366 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:56,366 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:54:56,366 INFO L423 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:56,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:56,367 INFO L82 PathProgramCache]: Analyzing trace with hash 929799344, now seen corresponding path program 1 times [2018-11-23 01:54:56,367 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:54:56,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:54:56,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:56,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:56,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:54:56,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:54:56,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:54:56,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:54:56,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:54:56,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:54:56,418 INFO L87 Difference]: Start difference. First operand 235 states and 459 transitions. Second operand 3 states. [2018-11-23 01:54:56,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:54:56,443 INFO L93 Difference]: Finished difference Result 242 states and 452 transitions. [2018-11-23 01:54:56,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:54:56,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2018-11-23 01:54:56,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:54:56,445 INFO L225 Difference]: With dead ends: 242 [2018-11-23 01:54:56,445 INFO L226 Difference]: Without dead ends: 182 [2018-11-23 01:54:56,446 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:54:56,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-11-23 01:54:56,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 170. [2018-11-23 01:54:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-11-23 01:54:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 316 transitions. [2018-11-23 01:54:56,455 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 316 transitions. Word has length 18 [2018-11-23 01:54:56,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:54:56,455 INFO L480 AbstractCegarLoop]: Abstraction has 170 states and 316 transitions. [2018-11-23 01:54:56,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:54:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 316 transitions. [2018-11-23 01:54:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 01:54:56,456 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:56,457 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] [2018-11-23 01:54:56,457 INFO L423 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:56,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:56,457 INFO L82 PathProgramCache]: Analyzing trace with hash 145549379, now seen corresponding path program 1 times [2018-11-23 01:54:56,457 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:54:56,457 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:54:56,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:56,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:56,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:54:56,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:54:56,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:54:56,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:54:56,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:54:56,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:54:56,488 INFO L87 Difference]: Start difference. First operand 170 states and 316 transitions. Second operand 3 states. [2018-11-23 01:54:56,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:54:56,516 INFO L93 Difference]: Finished difference Result 158 states and 284 transitions. [2018-11-23 01:54:56,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:54:56,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-11-23 01:54:56,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:54:56,518 INFO L225 Difference]: With dead ends: 158 [2018-11-23 01:54:56,518 INFO L226 Difference]: Without dead ends: 118 [2018-11-23 01:54:56,518 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:54:56,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-23 01:54:56,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-23 01:54:56,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-23 01:54:56,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 205 transitions. [2018-11-23 01:54:56,524 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 205 transitions. Word has length 22 [2018-11-23 01:54:56,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:54:56,524 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 205 transitions. [2018-11-23 01:54:56,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:54:56,524 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 205 transitions. [2018-11-23 01:54:56,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 01:54:56,525 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:56,525 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] [2018-11-23 01:54:56,525 INFO L423 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:56,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:56,525 INFO L82 PathProgramCache]: Analyzing trace with hash 2057995240, now seen corresponding path program 1 times [2018-11-23 01:54:56,526 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:54:56,526 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:54:56,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:56,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:56,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:54:56,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:54:56,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:54:56,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:54:56,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:54:56,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:54:56,568 INFO L87 Difference]: Start difference. First operand 118 states and 205 transitions. Second operand 4 states. [2018-11-23 01:54:56,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:54:56,603 INFO L93 Difference]: Finished difference Result 124 states and 216 transitions. [2018-11-23 01:54:56,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:54:56,604 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-11-23 01:54:56,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:54:56,604 INFO L225 Difference]: With dead ends: 124 [2018-11-23 01:54:56,604 INFO L226 Difference]: Without dead ends: 100 [2018-11-23 01:54:56,605 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:54:56,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-23 01:54:56,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-23 01:54:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-23 01:54:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 159 transitions. [2018-11-23 01:54:56,611 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 159 transitions. Word has length 27 [2018-11-23 01:54:56,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:54:56,613 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 159 transitions. [2018-11-23 01:54:56,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:54:56,613 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2018-11-23 01:54:56,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 01:54:56,614 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:54:56,614 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] [2018-11-23 01:54:56,614 INFO L423 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:54:56,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:54:56,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1029590326, now seen corresponding path program 2 times [2018-11-23 01:54:56,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 01:54:56,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 01:54:56,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:56,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:54:56,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:54:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:54:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:54:56,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:54:56,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:54:56,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:54:56,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:54:56,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:54:56,663 INFO L87 Difference]: Start difference. First operand 100 states and 159 transitions. Second operand 4 states. [2018-11-23 01:54:56,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:54:56,674 INFO L93 Difference]: Finished difference Result 47 states and 75 transitions. [2018-11-23 01:54:56,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:54:56,674 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-11-23 01:54:56,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:54:56,675 INFO L225 Difference]: With dead ends: 47 [2018-11-23 01:54:56,675 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:54:56,675 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:54:56,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:54:56,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:54:56,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:54:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:54:56,676 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-11-23 01:54:56,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:54:56,676 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:54:56,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:54:56,676 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:54:56,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:54:56,678 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-23 01:54:56,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:54:56 BasicIcfg [2018-11-23 01:54:56,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:54:56,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:54:56,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:54:56,680 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:54:56,680 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:54:56" (3/4) ... [2018-11-23 01:54:56,682 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:54:56,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2018-11-23 01:54:56,690 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 01:54:56,690 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 01:54:56,718 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d4f33735-9284-4813-b743-1af65178d476/bin-2019/uautomizer/witness.graphml [2018-11-23 01:54:56,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:54:56,718 INFO L168 Benchmark]: Toolchain (without parser) took 1386.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -79.0 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:54:56,719 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:54:56,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:54:56,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.94 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:54:56,720 INFO L168 Benchmark]: Boogie Preprocessor took 21.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:54:56,721 INFO L168 Benchmark]: RCFGBuilder took 296.75 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:54:56,721 INFO L168 Benchmark]: TraceAbstraction took 626.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:54:56,721 INFO L168 Benchmark]: Witness Printer took 38.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:54:56,723 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.94 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 296.75 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 626.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Witness Printer took 38.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 643]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 652]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 643]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 57 locations, 3 error locations. SAFE Result, 0.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 235 SDtfs, 88 SDslu, 116 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=275occurred 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, 5 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 3539 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...