./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe029_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe029_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/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 a8a181f7bffa101a04e5e6c2a43392a7e8f57f50 ................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:55,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:55,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:55,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:55,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:55,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:55,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:55,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:55,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:55,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:55,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:55,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:55,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:55,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:55,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:55,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:55,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:55,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:55,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:55,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:55,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:55,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:55,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:55,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:55,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:55,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:55,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:55,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:55,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:55,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:55,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:55,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:55,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:55,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:55,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:55,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:55,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:55,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:55,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:55,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:55,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:55,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:55,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:55,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:55,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:55,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:55,289 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:55,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:55,289 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:55,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:55,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:55,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:55,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:55,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:55,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:55,290 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:55,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:55,291 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:55,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:55,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:55,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:55,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:55,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:55,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:55,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:55,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:55,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:55,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:55,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:55,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:55,293 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/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/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 -> a8a181f7bffa101a04e5e6c2a43392a7e8f57f50 [2019-10-22 09:00:55,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:55,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:55,336 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:55,337 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:55,337 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:55,338 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe029_tso.oepc.i [2019-10-22 09:00:55,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/bin/uautomizer/data/aebe9058b/9d2e3266d43e4f869fff3044e256aaaa/FLAG82542693e [2019-10-22 09:00:55,860 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:55,862 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/sv-benchmarks/c/pthread-wmm/safe029_tso.oepc.i [2019-10-22 09:00:55,874 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/bin/uautomizer/data/aebe9058b/9d2e3266d43e4f869fff3044e256aaaa/FLAG82542693e [2019-10-22 09:00:56,367 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/bin/uautomizer/data/aebe9058b/9d2e3266d43e4f869fff3044e256aaaa [2019-10-22 09:00:56,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:56,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:56,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:56,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:56,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:56,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:56,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d3abe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56, skipping insertion in model container [2019-10-22 09:00:56,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:56,386 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:56,432 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:56,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:56,843 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:56,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:56,967 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:56,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56 WrapperNode [2019-10-22 09:00:56,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:56,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:56,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:56,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:56,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:56,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:57,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:57,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:57,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:57,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:57,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:57,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:57,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:57,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:57,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:57,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:57,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... [2019-10-22 09:00:57,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:57,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:57,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:57,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:57,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/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 [2019-10-22 09:00:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:00:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-10-22 09:00:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:00:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-10-22 09:00:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-10-22 09:00:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-10-22 09:00:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-10-22 09:00:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-10-22 09:00:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:57,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:57,078 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 09:00:57,279 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:57,280 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 09:00:57,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:57 BoogieIcfgContainer [2019-10-22 09:00:57,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:57,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:57,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:57,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:57,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:56" (1/3) ... [2019-10-22 09:00:57,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37984ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:57, skipping insertion in model container [2019-10-22 09:00:57,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:56" (2/3) ... [2019-10-22 09:00:57,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37984ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:57, skipping insertion in model container [2019-10-22 09:00:57,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:57" (3/3) ... [2019-10-22 09:00:57,287 INFO L109 eAbstractionObserver]: Analyzing ICFG safe029_tso.oepc.i [2019-10-22 09:00:57,331 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,332 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,332 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,332 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,332 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,332 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,332 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,333 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,333 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,333 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,333 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,333 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,334 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,334 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,334 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,334 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,334 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,334 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,335 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,335 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 09:00:57,342 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 09:00:57,343 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:57,349 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:00:57,358 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:00:57,376 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:57,376 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:57,376 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:57,376 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:57,376 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:57,377 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:57,377 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:57,377 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:57,409 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 40 transitions [2019-10-22 09:00:57,477 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 432 states. [2019-10-22 09:00:57,482 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states. [2019-10-22 09:00:57,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 09:00:57,492 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:57,493 INFO L380 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] [2019-10-22 09:00:57,496 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:57,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:57,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1195223216, now seen corresponding path program 1 times [2019-10-22 09:00:57,509 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:57,509 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135509692] [2019-10-22 09:00:57,509 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:57,510 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:57,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:57,788 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135509692] [2019-10-22 09:00:57,789 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:57,789 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:57,790 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472129051] [2019-10-22 09:00:57,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:57,794 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:57,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:57,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:57,811 INFO L87 Difference]: Start difference. First operand 432 states. Second operand 5 states. [2019-10-22 09:00:57,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:57,900 INFO L93 Difference]: Finished difference Result 442 states and 1059 transitions. [2019-10-22 09:00:57,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:57,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 09:00:57,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:57,916 INFO L225 Difference]: With dead ends: 442 [2019-10-22 09:00:57,919 INFO L226 Difference]: Without dead ends: 225 [2019-10-22 09:00:57,921 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:00:57,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2019-10-22 09:00:57,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2019-10-22 09:00:57,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-10-22 09:00:57,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 522 transitions. [2019-10-22 09:00:57,993 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 522 transitions. Word has length 23 [2019-10-22 09:00:57,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:57,995 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 522 transitions. [2019-10-22 09:00:57,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 522 transitions. [2019-10-22 09:00:57,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:00:57,997 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:57,998 INFO L380 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] [2019-10-22 09:00:57,999 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:57,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:57,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1388301822, now seen corresponding path program 1 times [2019-10-22 09:00:58,000 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:58,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348506585] [2019-10-22 09:00:58,000 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:58,000 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:58,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:58,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:58,117 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348506585] [2019-10-22 09:00:58,117 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:58,117 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:58,118 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802757491] [2019-10-22 09:00:58,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:58,119 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:58,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:58,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:58,120 INFO L87 Difference]: Start difference. First operand 225 states and 522 transitions. Second operand 5 states. [2019-10-22 09:00:58,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:58,167 INFO L93 Difference]: Finished difference Result 193 states and 414 transitions. [2019-10-22 09:00:58,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:58,174 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 09:00:58,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:58,176 INFO L225 Difference]: With dead ends: 193 [2019-10-22 09:00:58,176 INFO L226 Difference]: Without dead ends: 169 [2019-10-22 09:00:58,177 INFO L600 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 [2019-10-22 09:00:58,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-10-22 09:00:58,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2019-10-22 09:00:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-10-22 09:00:58,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 368 transitions. [2019-10-22 09:00:58,203 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 368 transitions. Word has length 24 [2019-10-22 09:00:58,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:58,203 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 368 transitions. [2019-10-22 09:00:58,204 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:58,204 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 368 transitions. [2019-10-22 09:00:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 09:00:58,205 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:58,205 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:58,205 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:58,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:58,206 INFO L82 PathProgramCache]: Analyzing trace with hash -715814086, now seen corresponding path program 1 times [2019-10-22 09:00:58,206 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:58,206 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486531069] [2019-10-22 09:00:58,206 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:58,206 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:58,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:58,338 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486531069] [2019-10-22 09:00:58,338 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:58,338 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:00:58,339 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327270003] [2019-10-22 09:00:58,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:58,339 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:58,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:58,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:58,340 INFO L87 Difference]: Start difference. First operand 169 states and 368 transitions. Second operand 6 states. [2019-10-22 09:00:58,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:58,424 INFO L93 Difference]: Finished difference Result 137 states and 288 transitions. [2019-10-22 09:00:58,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:58,424 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-10-22 09:00:58,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:58,425 INFO L225 Difference]: With dead ends: 137 [2019-10-22 09:00:58,425 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:00:58,425 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:58,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:00:58,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:00:58,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:00:58,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:00:58,427 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 09:00:58,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:58,428 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:58,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:58,428 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:00:58,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:00:58,430 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-10-22 09:00:58,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:58 BasicIcfg [2019-10-22 09:00:58,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:58,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:58,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:58,431 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:58,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:57" (3/4) ... [2019-10-22 09:00:58,434 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:58,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-10-22 09:00:58,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-10-22 09:00:58,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:00:58,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 09:00:58,475 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b3a766d6-11dc-4ad4-8014-523e24155793/bin/uautomizer/witness.graphml [2019-10-22 09:00:58,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:58,477 INFO L168 Benchmark]: Toolchain (without parser) took 2105.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 994.2 MB in the end (delta: -49.5 MB). Peak memory consumption was 88.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:58,478 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:58,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:58,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:58,479 INFO L168 Benchmark]: Boogie Preprocessor took 18.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:58,480 INFO L168 Benchmark]: RCFGBuilder took 255.73 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: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:58,480 INFO L168 Benchmark]: TraceAbstraction took 1149.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.2 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:58,480 INFO L168 Benchmark]: Witness Printer took 44.51 ms. Allocated memory is still 1.2 GB. Free memory is still 994.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:58,483 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 595.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.68 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 255.73 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: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1149.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.2 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. * Witness Printer took 44.51 ms. Allocated memory is still 1.2 GB. Free memory is still 994.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 52 locations, 1 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 108 SDtfs, 123 SDslu, 221 SDs, 0 SdLazy, 32 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 5377 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...