./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/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 63c908dc16e268ba3879104025f403c0a306c18f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:45:23,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:45:23,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:45:23,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:45:23,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:45:23,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:45:23,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:45:23,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:45:23,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:45:23,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:45:23,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:45:23,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:45:23,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:45:23,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:45:23,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:45:23,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:45:23,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:45:23,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:45:23,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:45:23,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:45:23,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:45:23,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:45:23,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:45:23,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:45:23,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:45:23,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:45:23,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:45:23,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:45:23,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:45:23,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:45:23,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:45:23,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:45:23,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:45:23,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:45:23,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:45:23,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:45:23,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:45:23,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:45:23,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:45:23,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:45:23,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:45:23,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:45:23,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:45:23,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:45:23,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:45:23,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:45:23,185 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:45:23,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:45:23,186 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:45:23,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:45:23,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:45:23,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:45:23,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:45:23,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:45:23,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:45:23,187 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:45:23,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:45:23,187 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:45:23,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:45:23,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:45:23,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:45:23,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:45:23,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:45:23,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:45:23,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:45:23,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:45:23,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:45:23,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:45:23,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:45:23,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:45:23,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/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 -> 63c908dc16e268ba3879104025f403c0a306c18f [2019-11-25 08:45:23,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:45:23,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:45:23,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:45:23,390 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:45:23,390 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:45:23,392 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i [2019-11-25 08:45:23,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/uautomizer/data/ae0c9545b/e1de1c3f89f84d8f8ed5677c065868a9/FLAGa2129359c [2019-11-25 08:45:23,864 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:45:23,865 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i [2019-11-25 08:45:23,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/uautomizer/data/ae0c9545b/e1de1c3f89f84d8f8ed5677c065868a9/FLAGa2129359c [2019-11-25 08:45:24,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/uautomizer/data/ae0c9545b/e1de1c3f89f84d8f8ed5677c065868a9 [2019-11-25 08:45:24,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:45:24,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:45:24,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:24,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:45:24,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:45:24,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdb24f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24, skipping insertion in model container [2019-11-25 08:45:24,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:45:24,258 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:45:24,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:24,634 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:45:24,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:24,785 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:45:24,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24 WrapperNode [2019-11-25 08:45:24,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:24,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:24,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:45:24,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:45:24,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:24,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:45:24,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:45:24,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:45:24,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:45:24,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:45:24,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:45:24,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:45:24,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/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 [2019-11-25 08:45:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:45:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-25 08:45:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:45:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:45:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-25 08:45:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-25 08:45:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-25 08:45:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-25 08:45:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-25 08:45:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-25 08:45:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-25 08:45:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:45:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:45:24,943 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-25 08:45:25,241 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:45:25,241 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:45:25,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:25 BoogieIcfgContainer [2019-11-25 08:45:25,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:45:25,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:45:25,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:45:25,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:45:25,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:45:24" (1/3) ... [2019-11-25 08:45:25,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a94fe26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:25, skipping insertion in model container [2019-11-25 08:45:25,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (2/3) ... [2019-11-25 08:45:25,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a94fe26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:25, skipping insertion in model container [2019-11-25 08:45:25,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:25" (3/3) ... [2019-11-25 08:45:25,250 INFO L109 eAbstractionObserver]: Analyzing ICFG safe001_tso.opt.i [2019-11-25 08:45:25,294 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,294 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,294 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,295 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,295 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,295 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,296 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,296 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,296 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,296 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,297 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,297 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,297 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,297 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,297 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,298 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,298 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,298 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,299 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,299 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,299 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,299 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,300 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,300 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,300 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,300 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,300 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,301 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,301 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,301 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,302 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,302 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,302 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,302 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,302 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,303 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,303 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,303 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,303 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,304 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,304 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,304 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,304 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,305 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,305 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,305 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,305 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,306 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,306 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,306 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,306 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,307 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,307 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,307 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:45:25,329 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:45:25,330 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:45:25,336 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:45:25,347 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:45:25,366 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:45:25,366 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:45:25,366 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:45:25,366 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:45:25,366 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:45:25,367 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:45:25,367 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:45:25,367 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:45:25,377 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 74 transitions [2019-11-25 08:45:25,527 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-11-25 08:45:25,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-11-25 08:45:25,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-25 08:45:25,543 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:25,544 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:25,545 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:25,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:25,550 INFO L82 PathProgramCache]: Analyzing trace with hash -545638952, now seen corresponding path program 1 times [2019-11-25 08:45:25,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:25,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788018723] [2019-11-25 08:45:25,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:45:25,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788018723] [2019-11-25 08:45:25,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:25,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:45:25,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102680643] [2019-11-25 08:45:25,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:45:25,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:45:25,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:45:25,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:45:25,875 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-11-25 08:45:25,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:25,988 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-11-25 08:45:25,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:45:25,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-25 08:45:25,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:45:26,024 INFO L225 Difference]: With dead ends: 1294 [2019-11-25 08:45:26,024 INFO L226 Difference]: Without dead ends: 600 [2019-11-25 08:45:26,026 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:45:26,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-11-25 08:45:26,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-11-25 08:45:26,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-11-25 08:45:26,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-11-25 08:45:26,140 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-11-25 08:45:26,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:45:26,141 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-11-25 08:45:26,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:45:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-11-25 08:45:26,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-25 08:45:26,148 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:26,149 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:26,149 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:26,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:26,155 INFO L82 PathProgramCache]: Analyzing trace with hash 819902106, now seen corresponding path program 1 times [2019-11-25 08:45:26,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:26,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644509201] [2019-11-25 08:45:26,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:45:26,297 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644509201] [2019-11-25 08:45:26,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:26,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:45:26,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356237330] [2019-11-25 08:45:26,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:45:26,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:45:26,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:45:26,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:45:26,300 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-11-25 08:45:26,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:26,374 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-11-25 08:45:26,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:45:26,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-25 08:45:26,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:45:26,380 INFO L225 Difference]: With dead ends: 600 [2019-11-25 08:45:26,380 INFO L226 Difference]: Without dead ends: 537 [2019-11-25 08:45:26,381 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:45:26,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-11-25 08:45:26,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-11-25 08:45:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-11-25 08:45:26,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-11-25 08:45:26,414 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-11-25 08:45:26,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:45:26,415 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-11-25 08:45:26,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:45:26,415 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-11-25 08:45:26,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:45:26,417 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:26,418 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:26,418 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:26,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:26,419 INFO L82 PathProgramCache]: Analyzing trace with hash 693867502, now seen corresponding path program 1 times [2019-11-25 08:45:26,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:26,419 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284445895] [2019-11-25 08:45:26,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:26,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:45:26,596 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284445895] [2019-11-25 08:45:26,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:26,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:45:26,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658884112] [2019-11-25 08:45:26,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:45:26,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:45:26,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:45:26,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:45:26,598 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-11-25 08:45:26,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:26,711 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-11-25 08:45:26,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:45:26,712 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-25 08:45:26,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:45:26,715 INFO L225 Difference]: With dead ends: 402 [2019-11-25 08:45:26,715 INFO L226 Difference]: Without dead ends: 348 [2019-11-25 08:45:26,715 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:45:26,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-11-25 08:45:26,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-11-25 08:45:26,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-25 08:45:26,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-11-25 08:45:26,729 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-11-25 08:45:26,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:45:26,729 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-11-25 08:45:26,730 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:45:26,730 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-11-25 08:45:26,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:45:26,731 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:26,732 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:26,732 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:26,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:26,732 INFO L82 PathProgramCache]: Analyzing trace with hash 999993062, now seen corresponding path program 1 times [2019-11-25 08:45:26,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:26,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710328022] [2019-11-25 08:45:26,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:45:26,880 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710328022] [2019-11-25 08:45:26,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:26,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:45:26,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107166063] [2019-11-25 08:45:26,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:45:26,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:45:26,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:45:26,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:45:26,882 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 7 states. [2019-11-25 08:45:27,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:27,016 INFO L93 Difference]: Finished difference Result 564 states and 1499 transitions. [2019-11-25 08:45:27,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:45:27,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-25 08:45:27,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:45:27,019 INFO L225 Difference]: With dead ends: 564 [2019-11-25 08:45:27,019 INFO L226 Difference]: Without dead ends: 321 [2019-11-25 08:45:27,020 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:45:27,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2019-11-25 08:45:27,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2019-11-25 08:45:27,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2019-11-25 08:45:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 845 transitions. [2019-11-25 08:45:27,033 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 845 transitions. Word has length 33 [2019-11-25 08:45:27,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:45:27,033 INFO L462 AbstractCegarLoop]: Abstraction has 321 states and 845 transitions. [2019-11-25 08:45:27,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:45:27,034 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 845 transitions. [2019-11-25 08:45:27,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:45:27,035 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:45:27,035 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:27,036 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:45:27,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:27,036 INFO L82 PathProgramCache]: Analyzing trace with hash 462260528, now seen corresponding path program 2 times [2019-11-25 08:45:27,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:27,037 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720250046] [2019-11-25 08:45:27,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:27,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:45:27,221 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720250046] [2019-11-25 08:45:27,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:27,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:45:27,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37552712] [2019-11-25 08:45:27,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:45:27,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:45:27,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:45:27,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:45:27,223 INFO L87 Difference]: Start difference. First operand 321 states and 845 transitions. Second operand 7 states. [2019-11-25 08:45:27,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:27,477 INFO L93 Difference]: Finished difference Result 438 states and 1163 transitions. [2019-11-25 08:45:27,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-25 08:45:27,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-25 08:45:27,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:45:27,478 INFO L225 Difference]: With dead ends: 438 [2019-11-25 08:45:27,478 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:45:27,478 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2019-11-25 08:45:27,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:45:27,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:45:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:45:27,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:45:27,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-25 08:45:27,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:45:27,479 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:45:27,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:45:27,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:45:27,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:45:27,482 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:45:27,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:45:27 BasicIcfg [2019-11-25 08:45:27,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:45:27,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:45:27,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:45:27,488 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:45:27,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:25" (3/4) ... [2019-11-25 08:45:27,492 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:45:27,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-25 08:45:27,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-25 08:45:27,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-25 08:45:27,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-25 08:45:27,527 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:45:27,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:45:27,583 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9bd25a2e-d6ff-4548-ad74-6ca5b75da43d/bin/uautomizer/witness.graphml [2019-11-25 08:45:27,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:45:27,585 INFO L168 Benchmark]: Toolchain (without parser) took 3389.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:27,586 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:27,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:27,587 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.98 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. [2019-11-25 08:45:27,587 INFO L168 Benchmark]: Boogie Preprocessor took 26.95 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. [2019-11-25 08:45:27,588 INFO L168 Benchmark]: RCFGBuilder took 362.66 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:27,589 INFO L168 Benchmark]: TraceAbstraction took 2242.99 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: -43.6 MB). Peak memory consumption was 214.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:27,594 INFO L168 Benchmark]: Witness Printer took 96.16 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:27,596 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 591.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.98 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. * Boogie Preprocessor took 26.95 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 362.66 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2242.99 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: -43.6 MB). Peak memory consumption was 214.0 MB. Max. memory is 11.5 GB. * Witness Printer took 96.16 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 89 locations, 1 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 229 SDtfs, 324 SDslu, 584 SDs, 0 SdLazy, 96 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 13978 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...