./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe029_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe029_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/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 f80af6d0349fca3fc8612cfe275023c8876311f6 ............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:46:33,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:46:33,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:46:33,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:46:33,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:46:33,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:46:33,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:46:33,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:46:33,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:46:33,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:46:33,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:46:33,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:46:33,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:46:33,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:46:33,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:46:33,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:46:33,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:46:33,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:46:33,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:46:33,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:46:33,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:46:33,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:46:33,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:46:33,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:46:33,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:46:33,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:46:33,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:46:33,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:46:33,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:46:33,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:46:33,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:46:33,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:46:33,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:46:33,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:46:33,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:46:33,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:46:33,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:46:33,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:46:33,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:46:33,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:46:33,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:46:33,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:46:33,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:46:33,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:46:33,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:46:33,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:46:33,330 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:46:33,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:46:33,330 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:46:33,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:46:33,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:46:33,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:46:33,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:46:33,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:46:33,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:46:33,332 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:46:33,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:46:33,332 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:46:33,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:46:33,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:46:33,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:46:33,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:46:33,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:46:33,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:46:33,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:46:33,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:46:33,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:46:33,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:46:33,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:46:33,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:46:33,335 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_c116a3d8-6882-49bd-986a-f955aca8e7c5/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 -> f80af6d0349fca3fc8612cfe275023c8876311f6 [2019-11-20 05:46:33,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:46:33,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:46:33,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:46:33,483 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:46:33,483 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:46:33,484 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe029_tso.opt.i [2019-11-20 05:46:33,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/bin/uautomizer/data/5503ade2b/2b72f3a04ff14c609beabf887dcbd5ca/FLAGe7a24ae9f [2019-11-20 05:46:34,045 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:46:34,046 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/sv-benchmarks/c/pthread-wmm/safe029_tso.opt.i [2019-11-20 05:46:34,070 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/bin/uautomizer/data/5503ade2b/2b72f3a04ff14c609beabf887dcbd5ca/FLAGe7a24ae9f [2019-11-20 05:46:34,515 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/bin/uautomizer/data/5503ade2b/2b72f3a04ff14c609beabf887dcbd5ca [2019-11-20 05:46:34,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:46:34,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:46:34,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:46:34,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:46:34,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:46:34,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:46:34" (1/1) ... [2019-11-20 05:46:34,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbded58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:34, skipping insertion in model container [2019-11-20 05:46:34,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:46:34" (1/1) ... [2019-11-20 05:46:34,533 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:46:34,569 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:46:34,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:46:34,968 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:46:35,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:46:35,092 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:46:35,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:35 WrapperNode [2019-11-20 05:46:35,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:46:35,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:46:35,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:46:35,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:46:35,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:35" (1/1) ... [2019-11-20 05:46:35,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:35" (1/1) ... [2019-11-20 05:46:35,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:46:35,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:46:35,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:46:35,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:46:35,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:35" (1/1) ... [2019-11-20 05:46:35,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:35" (1/1) ... [2019-11-20 05:46:35,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:35" (1/1) ... [2019-11-20 05:46:35,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:35" (1/1) ... [2019-11-20 05:46:35,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:35" (1/1) ... [2019-11-20 05:46:35,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:35" (1/1) ... [2019-11-20 05:46:35,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:35" (1/1) ... [2019-11-20 05:46:35,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:46:35,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:46:35,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:46:35,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:46:35,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/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 [2019-11-20 05:46:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 05:46:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-20 05:46:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:46:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:46:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-20 05:46:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-20 05:46:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-20 05:46:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-20 05:46:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-20 05:46:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:46:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:46:35,221 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-20 05:46:35,521 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:46:35,521 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 05:46:35,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:35 BoogieIcfgContainer [2019-11-20 05:46:35,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:46:35,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:46:35,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:46:35,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:46:35,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:46:34" (1/3) ... [2019-11-20 05:46:35,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48966b37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:46:35, skipping insertion in model container [2019-11-20 05:46:35,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:35" (2/3) ... [2019-11-20 05:46:35,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48966b37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:46:35, skipping insertion in model container [2019-11-20 05:46:35,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:35" (3/3) ... [2019-11-20 05:46:35,530 INFO L109 eAbstractionObserver]: Analyzing ICFG safe029_tso.opt.i [2019-11-20 05:46:35,570 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,570 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,570 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,571 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,571 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,571 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,572 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,572 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,572 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,572 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,573 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,573 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,573 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,573 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,574 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,574 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,574 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,574 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,575 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,575 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,575 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,575 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,576 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,576 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,576 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,577 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,577 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,577 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,577 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,577 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,578 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,578 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,578 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,578 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,579 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,579 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 05:46:35,599 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 05:46:35,599 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:46:35,606 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 05:46:35,617 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 05:46:35,636 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:46:35,636 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:46:35,636 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:46:35,636 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:46:35,636 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:46:35,637 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:46:35,637 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:46:35,637 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:46:35,647 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 55 transitions [2019-11-20 05:46:35,825 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2365 states. [2019-11-20 05:46:35,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states. [2019-11-20 05:46:35,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:46:35,845 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:46:35,846 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] [2019-11-20 05:46:35,846 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:46:35,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:46:35,852 INFO L82 PathProgramCache]: Analyzing trace with hash -833809715, now seen corresponding path program 1 times [2019-11-20 05:46:35,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:46:35,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456578205] [2019-11-20 05:46:35,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:46:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:46:36,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:46:36,180 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456578205] [2019-11-20 05:46:36,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:46:36,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:46:36,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724766954] [2019-11-20 05:46:36,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:46:36,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:46:36,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:46:36,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:46:36,201 INFO L87 Difference]: Start difference. First operand 2365 states. Second operand 5 states. [2019-11-20 05:46:36,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:46:36,346 INFO L93 Difference]: Finished difference Result 2374 states and 5559 transitions. [2019-11-20 05:46:36,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:46:36,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 05:46:36,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:46:36,375 INFO L225 Difference]: With dead ends: 2374 [2019-11-20 05:46:36,375 INFO L226 Difference]: Without dead ends: 1150 [2019-11-20 05:46:36,377 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:46:36,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2019-11-20 05:46:36,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1150. [2019-11-20 05:46:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1150 states. [2019-11-20 05:46:36,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 2670 transitions. [2019-11-20 05:46:36,503 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 2670 transitions. Word has length 24 [2019-11-20 05:46:36,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:46:36,504 INFO L462 AbstractCegarLoop]: Abstraction has 1150 states and 2670 transitions. [2019-11-20 05:46:36,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:46:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 2670 transitions. [2019-11-20 05:46:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 05:46:36,507 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:46:36,507 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] [2019-11-20 05:46:36,507 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:46:36,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:46:36,508 INFO L82 PathProgramCache]: Analyzing trace with hash 204385153, now seen corresponding path program 1 times [2019-11-20 05:46:36,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:46:36,508 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566762084] [2019-11-20 05:46:36,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:46:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:46:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:46:36,664 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566762084] [2019-11-20 05:46:36,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:46:36,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:46:36,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096850613] [2019-11-20 05:46:36,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:46:36,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:46:36,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:46:36,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:46:36,667 INFO L87 Difference]: Start difference. First operand 1150 states and 2670 transitions. Second operand 5 states. [2019-11-20 05:46:36,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:46:36,763 INFO L93 Difference]: Finished difference Result 907 states and 1914 transitions. [2019-11-20 05:46:36,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:46:36,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-20 05:46:36,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:46:36,769 INFO L225 Difference]: With dead ends: 907 [2019-11-20 05:46:36,770 INFO L226 Difference]: Without dead ends: 772 [2019-11-20 05:46:36,771 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 [2019-11-20 05:46:36,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2019-11-20 05:46:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 772. [2019-11-20 05:46:36,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2019-11-20 05:46:36,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1662 transitions. [2019-11-20 05:46:36,812 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1662 transitions. Word has length 25 [2019-11-20 05:46:36,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:46:36,813 INFO L462 AbstractCegarLoop]: Abstraction has 772 states and 1662 transitions. [2019-11-20 05:46:36,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:46:36,813 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1662 transitions. [2019-11-20 05:46:36,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 05:46:36,815 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:46:36,815 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] [2019-11-20 05:46:36,815 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:46:36,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:46:36,816 INFO L82 PathProgramCache]: Analyzing trace with hash 456727571, now seen corresponding path program 1 times [2019-11-20 05:46:36,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:46:36,816 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914791319] [2019-11-20 05:46:36,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:46:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:46:37,042 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2019-11-20 05:46:37,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:46:37,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914791319] [2019-11-20 05:46:37,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:46:37,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 05:46:37,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178653978] [2019-11-20 05:46:37,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 05:46:37,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:46:37,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 05:46:37,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:46:37,081 INFO L87 Difference]: Start difference. First operand 772 states and 1662 transitions. Second operand 6 states. [2019-11-20 05:46:37,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:46:37,197 INFO L93 Difference]: Finished difference Result 610 states and 1284 transitions. [2019-11-20 05:46:37,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:46:37,198 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-20 05:46:37,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:46:37,199 INFO L225 Difference]: With dead ends: 610 [2019-11-20 05:46:37,199 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:46:37,199 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 05:46:37,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:46:37,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:46:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:46:37,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:46:37,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-11-20 05:46:37,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:46:37,201 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:46:37,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 05:46:37,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:46:37,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:46:37,204 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 05:46:37,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:46:37 BasicIcfg [2019-11-20 05:46:37,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:46:37,209 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:46:37,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:46:37,209 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:46:37,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:35" (3/4) ... [2019-11-20 05:46:37,213 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:46:37,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-20 05:46:37,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-20 05:46:37,236 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-20 05:46:37,248 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 05:46:37,248 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 05:46:37,300 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c116a3d8-6882-49bd-986a-f955aca8e7c5/bin/uautomizer/witness.graphml [2019-11-20 05:46:37,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:46:37,302 INFO L168 Benchmark]: Toolchain (without parser) took 2782.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 944.8 MB in the beginning and 956.0 MB in the end (delta: -11.2 MB). Peak memory consumption was 156.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:46:37,302 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. [2019-11-20 05:46:37,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:46:37,303 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.81 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. [2019-11-20 05:46:37,304 INFO L168 Benchmark]: Boogie Preprocessor took 23.50 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. [2019-11-20 05:46:37,304 INFO L168 Benchmark]: RCFGBuilder took 367.08 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:46:37,305 INFO L168 Benchmark]: TraceAbstraction took 1684.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.3 MB in the end (delta: 145.0 MB). Peak memory consumption was 145.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:46:37,306 INFO L168 Benchmark]: Witness Printer took 91.99 ms. Allocated memory is still 1.2 GB. Free memory was 961.3 MB in the beginning and 956.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:46:37,312 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 572.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.81 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 23.50 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 367.08 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1684.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.3 MB in the end (delta: 145.0 MB). Peak memory consumption was 145.0 MB. Max. memory is 11.5 GB. * Witness Printer took 91.99 ms. Allocated memory is still 1.2 GB. Free memory was 961.3 MB in the beginning and 956.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 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 9 procedures, 65 locations, 1 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 163 SDtfs, 213 SDslu, 293 SDs, 0 SdLazy, 48 SolverSat, 36 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, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2365occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 5776 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...