./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2b75cbff790060dd08cb20d1dd55c70c6b5fffe .............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:31:21,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:31:21,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:31:21,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:31:21,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:31:21,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:31:21,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:31:21,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:31:21,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:31:21,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:31:21,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:31:21,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:31:21,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:31:21,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:31:21,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:31:21,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:31:21,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:31:21,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:31:21,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:31:21,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:31:21,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:31:21,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:31:21,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:31:21,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:31:21,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:31:21,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:31:21,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:31:21,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:31:21,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:31:21,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:31:21,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:31:21,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:31:21,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:31:21,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:31:21,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:31:21,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:31:21,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:31:21,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:31:21,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:31:21,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:31:21,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:31:21,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 15:31:21,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:31:21,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:31:21,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:31:21,226 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:31:21,227 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:31:21,227 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:31:21,227 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 15:31:21,227 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:31:21,227 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:31:21,227 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 15:31:21,227 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 15:31:21,227 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:31:21,227 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 15:31:21,228 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 15:31:21,228 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 15:31:21,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:31:21,228 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:31:21,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:31:21,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:31:21,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:31:21,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:31:21,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:31:21,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:31:21,229 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:31:21,229 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:31:21,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:31:21,229 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:31:21,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:31:21,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:31:21,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:31:21,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:31:21,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:31:21,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:31:21,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:31:21,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:31:21,231 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 15:31:21,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:31:21,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:31:21,231 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:31:21,231 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:31:21,231 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan 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 -> Taipan 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 -> e2b75cbff790060dd08cb20d1dd55c70c6b5fffe [2019-12-07 15:31:21,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:31:21,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:31:21,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:31:21,350 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:31:21,350 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:31:21,351 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2019-12-07 15:31:21,393 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan/data/67ba3c797/a82d60378ddb4a47a70e4896503007c0/FLAGfbd570e92 [2019-12-07 15:31:21,928 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:31:21,929 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2019-12-07 15:31:21,941 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan/data/67ba3c797/a82d60378ddb4a47a70e4896503007c0/FLAGfbd570e92 [2019-12-07 15:31:22,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan/data/67ba3c797/a82d60378ddb4a47a70e4896503007c0 [2019-12-07 15:31:22,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:31:22,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:31:22,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:31:22,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:31:22,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:31:22,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:31:22" (1/1) ... [2019-12-07 15:31:22,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f77aa6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:31:22, skipping insertion in model container [2019-12-07 15:31:22,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:31:22" (1/1) ... [2019-12-07 15:31:22,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:31:22,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:31:22,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:31:22,736 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:31:22,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:31:22,864 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:31:22,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:31:22 WrapperNode [2019-12-07 15:31:22,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:31:22,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:31:22,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:31:22,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:31:22,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:31:22" (1/1) ... [2019-12-07 15:31:22,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:31:22" (1/1) ... [2019-12-07 15:31:22,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:31:22,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:31:22,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:31:22,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:31:22,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:31:22" (1/1) ... [2019-12-07 15:31:22,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:31:22" (1/1) ... [2019-12-07 15:31:22,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:31:22" (1/1) ... [2019-12-07 15:31:22,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:31:22" (1/1) ... [2019-12-07 15:31:22,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:31:22" (1/1) ... [2019-12-07 15:31:22,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:31:22" (1/1) ... [2019-12-07 15:31:22,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:31:22" (1/1) ... [2019-12-07 15:31:22,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:31:22,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:31:22,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:31:22,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:31:22,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:31:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan/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 [2019-12-07 15:31:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:31:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:31:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 15:31:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2019-12-07 15:31:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2019-12-07 15:31:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-07 15:31:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-07 15:31:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-12-07 15:31:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-12-07 15:31:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2019-12-07 15:31:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2019-12-07 15:31:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 15:31:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 15:31:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:31:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:31:22,967 WARN L205 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 15:31:23,181 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:31:23,181 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 15:31:23,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:31:23 BoogieIcfgContainer [2019-12-07 15:31:23,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:31:23,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:31:23,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:31:23,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:31:23,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:31:22" (1/3) ... [2019-12-07 15:31:23,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620264ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:31:23, skipping insertion in model container [2019-12-07 15:31:23,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:31:22" (2/3) ... [2019-12-07 15:31:23,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620264ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:31:23, skipping insertion in model container [2019-12-07 15:31:23,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:31:23" (3/3) ... [2019-12-07 15:31:23,187 INFO L109 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2019-12-07 15:31:23,193 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 15:31:23,193 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:31:23,198 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:31:23,198 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 15:31:23,223 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,223 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,223 WARN L315 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,223 WARN L315 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,223 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,223 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,223 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,224 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,224 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,224 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,224 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,224 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,224 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,224 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,225 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,225 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,225 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,225 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,225 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,225 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,226 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,226 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,226 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,226 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,226 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,226 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,227 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,227 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,227 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,227 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,227 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,227 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,227 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,228 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,228 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,228 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,228 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,228 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,228 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,228 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,228 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,228 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,229 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,229 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,229 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,229 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,229 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,229 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,229 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,229 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,230 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,230 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,230 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,230 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,230 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,230 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,230 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,230 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,231 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,231 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,231 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,231 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,231 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,231 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,231 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,231 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,231 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,232 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,232 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,232 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,232 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,232 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,232 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,232 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,232 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,232 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,233 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,233 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,233 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,233 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,233 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,233 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,233 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,233 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,234 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,234 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,234 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,234 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,234 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,234 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,234 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,234 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,234 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,235 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,235 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,235 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,235 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,235 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,235 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,235 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 15:31:23,350 INFO L249 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2019-12-07 15:31:23,362 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:31:23,362 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:31:23,362 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:31:23,362 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:31:23,362 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:31:23,363 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:31:23,363 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:31:23,363 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:31:23,375 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 250 transitions [2019-12-07 15:31:23,376 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 178 places, 250 transitions [2019-12-07 15:31:23,392 INFO L134 PetriNetUnfolder]: 0/26 cut-off events. [2019-12-07 15:31:23,392 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 15:31:23,396 INFO L76 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs. 46/72 useless extension candidates. Maximal degree in co-relation 30. Up to 1 conditions per place. [2019-12-07 15:31:23,397 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 178 places, 250 transitions [2019-12-07 15:31:23,401 INFO L134 PetriNetUnfolder]: 0/26 cut-off events. [2019-12-07 15:31:23,402 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 15:31:23,402 INFO L76 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs. 46/72 useless extension candidates. Maximal degree in co-relation 30. Up to 1 conditions per place. [2019-12-07 15:31:23,403 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 80 [2019-12-07 15:31:23,403 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 15:31:24,930 INFO L206 etLargeBlockEncoding]: Checked pairs total: 43 [2019-12-07 15:31:24,930 INFO L214 etLargeBlockEncoding]: Total number of compositions: 83 [2019-12-07 15:31:24,932 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 173 transitions [2019-12-07 15:31:24,938 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 14 states. [2019-12-07 15:31:24,940 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-12-07 15:31:24,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:31:24,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:31:24 BasicIcfg [2019-12-07 15:31:24,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:31:24,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:31:24,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:31:24,948 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:31:24,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:31:23" (3/4) ... [2019-12-07 15:31:24,950 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:31:24,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2019-12-07 15:31:24,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2019-12-07 15:31:24,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2019-12-07 15:31:24,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2019-12-07 15:31:24,958 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-07 15:31:24,958 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 15:31:24,958 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:31:24,989 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6b4ff89e-bd90-435b-813c-df7ccb28242e/bin/utaipan/witness.graphml [2019-12-07 15:31:24,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:31:24,991 INFO L168 Benchmark]: Toolchain (without parser) took 2611.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 938.0 MB in the beginning and 888.4 MB in the end (delta: 49.7 MB). Peak memory consumption was 137.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:31:24,991 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:31:24,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -78.5 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:31:24,992 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:31:24,992 INFO L168 Benchmark]: Boogie Preprocessor took 20.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:31:24,993 INFO L168 Benchmark]: RCFGBuilder took 261.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 983.4 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:31:24,993 INFO L168 Benchmark]: TraceAbstraction took 1764.93 ms. Allocated memory is still 1.1 GB. Free memory was 978.0 MB in the beginning and 895.2 MB in the end (delta: 82.8 MB). Peak memory consumption was 162.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:31:24,994 INFO L168 Benchmark]: Witness Printer took 41.69 ms. Allocated memory is still 1.1 GB. Free memory was 895.2 MB in the beginning and 888.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:31:24,996 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 485.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -78.5 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 261.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 983.4 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1764.93 ms. Allocated memory is still 1.1 GB. Free memory was 978.0 MB in the beginning and 895.2 MB in the end (delta: 82.8 MB). Peak memory consumption was 162.0 MB. Max. memory is 11.5 GB. * Witness Printer took 41.69 ms. Allocated memory is still 1.1 GB. Free memory was 895.2 MB in the beginning and 888.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.5s, 178 ProgramPointsBefore, 100 ProgramPointsAfterwards, 250 TransitionsBefore, 173 TransitionsAfterwards, 80 CoEnabledTransitionPairs, 7 FixpointIterations, 63 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 35 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 43 CheckedPairsTotal, 83 TotalNumberOfCompositions - PositiveResult [Line: 1088]: 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, 98 locations, 1 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...