./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/bigshot_p_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_p_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/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 b863884eec533f764ccb8e1f322132da8a2b1dc7 ...................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_p_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/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 b863884eec533f764ccb8e1f322132da8a2b1dc7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:04:14,352 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:04:14,353 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:04:14,358 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:04:14,359 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:04:14,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:04:14,360 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:04:14,360 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:04:14,361 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:04:14,362 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:04:14,362 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:04:14,362 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:04:14,363 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:04:14,363 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:04:14,364 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:04:14,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:04:14,364 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:04:14,365 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:04:14,366 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:04:14,367 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:04:14,367 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:04:14,368 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:04:14,369 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:04:14,369 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:04:14,369 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:04:14,370 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:04:14,370 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:04:14,370 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:04:14,371 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:04:14,371 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:04:14,371 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:04:14,372 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:04:14,372 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:04:14,372 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:04:14,372 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:04:14,373 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:04:14,373 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:04:14,380 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:04:14,380 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:04:14,380 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:04:14,380 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:04:14,381 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:04:14,381 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:04:14,381 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:04:14,381 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:04:14,381 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:04:14,381 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:04:14,381 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:04:14,381 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:04:14,381 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:04:14,382 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:04:14,382 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:04:14,382 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:04:14,382 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:04:14,382 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:04:14,382 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:04:14,382 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:04:14,382 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:04:14,382 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:04:14,382 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:04:14,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:04:14,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:04:14,383 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:04:14,383 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:04:14,383 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:04:14,383 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:04:14,383 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:04:14,383 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:04:14,383 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:04:14,383 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:04:14,384 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:04:14,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:04:14,384 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:04:14,384 INFO L133 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/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/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 -> b863884eec533f764ccb8e1f322132da8a2b1dc7 [2018-12-08 16:04:14,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:04:14,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:04:14,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:04:14,410 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:04:14,410 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:04:14,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/../../sv-benchmarks/c/pthread/bigshot_p_false-unreach-call.i [2018-12-08 16:04:14,445 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/data/61eb47c2a/9fc1386923e949e996c8f52ee75e63a4/FLAGd45147e56 [2018-12-08 16:04:14,946 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:04:14,946 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/sv-benchmarks/c/pthread/bigshot_p_false-unreach-call.i [2018-12-08 16:04:14,954 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/data/61eb47c2a/9fc1386923e949e996c8f52ee75e63a4/FLAGd45147e56 [2018-12-08 16:04:14,963 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/data/61eb47c2a/9fc1386923e949e996c8f52ee75e63a4 [2018-12-08 16:04:14,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:04:14,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:04:14,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:04:14,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:04:14,968 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:04:14,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:04:14" (1/1) ... [2018-12-08 16:04:14,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f76134a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:14, skipping insertion in model container [2018-12-08 16:04:14,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:04:14" (1/1) ... [2018-12-08 16:04:14,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:04:14,997 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:04:15,240 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:04:15,280 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:04:15,306 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:04:15,372 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:04:15,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:15 WrapperNode [2018-12-08 16:04:15,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:04:15,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:04:15,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:04:15,373 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:04:15,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:15" (1/1) ... [2018-12-08 16:04:15,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:15" (1/1) ... [2018-12-08 16:04:15,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:04:15,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:04:15,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:04:15,402 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:04:15,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:15" (1/1) ... [2018-12-08 16:04:15,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:15" (1/1) ... [2018-12-08 16:04:15,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:15" (1/1) ... [2018-12-08 16:04:15,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:15" (1/1) ... [2018-12-08 16:04:15,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:15" (1/1) ... [2018-12-08 16:04:15,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:15" (1/1) ... [2018-12-08 16:04:15,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:15" (1/1) ... [2018-12-08 16:04:15,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:04:15,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:04:15,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:04:15,419 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:04:15,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/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 [2018-12-08 16:04:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:04:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-08 16:04:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:04:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 16:04:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-12-08 16:04:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-12-08 16:04:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2018-12-08 16:04:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2018-12-08 16:04:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 16:04:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:04:15,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:04:15,452 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 16:04:15,614 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:04:15,614 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-08 16:04:15,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:04:15 BoogieIcfgContainer [2018-12-08 16:04:15,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:04:15,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:04:15,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:04:15,617 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:04:15,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:04:14" (1/3) ... [2018-12-08 16:04:15,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462809fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:04:15, skipping insertion in model container [2018-12-08 16:04:15,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:15" (2/3) ... [2018-12-08 16:04:15,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462809fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:04:15, skipping insertion in model container [2018-12-08 16:04:15,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:04:15" (3/3) ... [2018-12-08 16:04:15,619 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_p_false-unreach-call.i [2018-12-08 16:04:15,640 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,641 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,641 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,641 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,641 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,641 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,642 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,642 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,642 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,642 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,642 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,642 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,642 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,643 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#t~loopctr10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,643 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#t~loopctr10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,643 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,643 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#t~loopctr10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,643 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,643 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#t~loopctr10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,644 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,644 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,644 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#t~loopctr10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,644 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,644 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,644 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,645 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#t~loopctr10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,645 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#t~loopctr10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,645 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,645 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,646 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,646 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,646 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,646 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,646 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,646 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,647 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,647 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,647 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,647 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,647 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,647 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,648 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,648 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,648 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,648 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,648 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,648 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,648 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,649 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,649 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,649 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,649 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,649 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,649 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,650 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,650 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,650 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,650 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,650 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,650 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,650 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,651 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,651 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,651 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,651 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,651 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:15,665 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 16:04:15,665 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:04:15,672 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:04:15,686 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:04:15,704 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:04:15,704 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:04:15,704 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:04:15,704 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:04:15,705 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:04:15,705 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:04:15,705 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:04:15,705 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:04:15,711 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69places, 74 transitions [2018-12-08 16:04:15,741 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 766 states. [2018-12-08 16:04:15,743 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states. [2018-12-08 16:04:15,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 16:04:15,756 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:15,757 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:15,759 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:04:15,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:15,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1338622558, now seen corresponding path program 1 times [2018-12-08 16:04:15,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:04:15,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:15,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:04:15,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:15,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:04:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:04:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:15,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:04:15,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 16:04:15,917 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:04:15,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:04:15,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:04:15,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:04:15,929 INFO L87 Difference]: Start difference. First operand 766 states. Second operand 5 states. [2018-12-08 16:04:15,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:04:15,985 INFO L93 Difference]: Finished difference Result 780 states and 1963 transitions. [2018-12-08 16:04:15,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:04:15,986 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-12-08 16:04:15,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:04:15,997 INFO L225 Difference]: With dead ends: 780 [2018-12-08 16:04:15,997 INFO L226 Difference]: Without dead ends: 756 [2018-12-08 16:04:15,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:04:16,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2018-12-08 16:04:16,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 756. [2018-12-08 16:04:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2018-12-08 16:04:16,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1939 transitions. [2018-12-08 16:04:16,044 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1939 transitions. Word has length 40 [2018-12-08 16:04:16,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:04:16,044 INFO L480 AbstractCegarLoop]: Abstraction has 756 states and 1939 transitions. [2018-12-08 16:04:16,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:04:16,044 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1939 transitions. [2018-12-08 16:04:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 16:04:16,046 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:16,046 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:16,047 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:04:16,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:16,047 INFO L82 PathProgramCache]: Analyzing trace with hash -147735589, now seen corresponding path program 1 times [2018-12-08 16:04:16,047 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:04:16,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:16,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:04:16,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:16,050 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:04:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:04:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:16,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:04:16,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 16:04:16,090 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:04:16,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 16:04:16,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 16:04:16,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:04:16,091 INFO L87 Difference]: Start difference. First operand 756 states and 1939 transitions. Second operand 4 states. [2018-12-08 16:04:16,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:04:16,107 INFO L93 Difference]: Finished difference Result 927 states and 2392 transitions. [2018-12-08 16:04:16,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 16:04:16,108 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-12-08 16:04:16,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:04:16,110 INFO L225 Difference]: With dead ends: 927 [2018-12-08 16:04:16,110 INFO L226 Difference]: Without dead ends: 927 [2018-12-08 16:04:16,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:04:16,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2018-12-08 16:04:16,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 813. [2018-12-08 16:04:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2018-12-08 16:04:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 2090 transitions. [2018-12-08 16:04:16,128 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 2090 transitions. Word has length 42 [2018-12-08 16:04:16,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:04:16,128 INFO L480 AbstractCegarLoop]: Abstraction has 813 states and 2090 transitions. [2018-12-08 16:04:16,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 16:04:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 2090 transitions. [2018-12-08 16:04:16,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:04:16,130 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:16,130 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:16,130 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:04:16,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:16,130 INFO L82 PathProgramCache]: Analyzing trace with hash 388668247, now seen corresponding path program 1 times [2018-12-08 16:04:16,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:04:16,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:16,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:04:16,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:04:16,133 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:04:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:04:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:16,188 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:04:16,188 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:04:16,189 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.UnsupportedOperationException: AbsInt only supports BoogieIcfgLocations and Codeblocks at the moment at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.UnsupportedOperationException: AbsInt only supports BoogieIcfgLocations and Codeblocks at the moment at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:379) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-12-08 16:04:16,192 INFO L168 Benchmark]: Toolchain (without parser) took 1227.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 947.0 MB in the beginning and 918.9 MB in the end (delta: 28.1 MB). Peak memory consumption was 128.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:04:16,193 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:04:16,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -98.6 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:04:16,194 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.31 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:04:16,194 INFO L168 Benchmark]: Boogie Preprocessor took 16.50 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:04:16,195 INFO L168 Benchmark]: RCFGBuilder took 195.61 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: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:04:16,195 INFO L168 Benchmark]: TraceAbstraction took 576.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 918.9 MB in the end (delta: 88.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:04:16,197 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 406.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -98.6 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.31 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.50 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 195.61 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: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 576.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 918.9 MB in the end (delta: 88.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.UnsupportedOperationException: AbsInt only supports BoogieIcfgLocations and Codeblocks at the moment de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.UnsupportedOperationException: AbsInt only supports BoogieIcfgLocations and Codeblocks at the moment: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:04:17,603 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:04:17,604 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:04:17,610 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:04:17,610 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:04:17,610 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:04:17,611 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:04:17,612 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:04:17,613 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:04:17,613 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:04:17,613 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:04:17,614 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:04:17,614 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:04:17,615 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:04:17,615 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:04:17,616 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:04:17,616 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:04:17,617 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:04:17,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:04:17,618 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:04:17,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:04:17,619 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:04:17,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:04:17,621 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:04:17,621 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:04:17,621 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:04:17,622 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:04:17,622 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:04:17,623 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:04:17,623 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:04:17,623 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:04:17,624 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:04:17,624 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:04:17,624 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:04:17,624 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:04:17,625 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:04:17,625 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 16:04:17,632 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:04:17,632 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:04:17,633 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:04:17,633 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:04:17,633 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:04:17,633 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:04:17,633 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:04:17,634 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:04:17,634 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:04:17,634 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:04:17,634 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:04:17,634 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:04:17,635 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:04:17,635 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:04:17,635 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:04:17,635 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:04:17,635 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:04:17,635 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 16:04:17,635 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 16:04:17,635 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:04:17,636 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:04:17,636 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:04:17,636 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:04:17,636 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:04:17,636 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:04:17,636 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:04:17,636 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:04:17,636 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:04:17,637 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:04:17,637 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:04:17,637 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:04:17,637 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 16:04:17,637 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:04:17,637 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 16:04:17,637 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 16:04:17,637 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/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 -> b863884eec533f764ccb8e1f322132da8a2b1dc7 [2018-12-08 16:04:17,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:04:17,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:04:17,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:04:17,669 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:04:17,670 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:04:17,670 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/../../sv-benchmarks/c/pthread/bigshot_p_false-unreach-call.i [2018-12-08 16:04:17,714 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/data/9c85b6c72/ac9d02ab11e34d2891309f1a7bcebde1/FLAGe7174f845 [2018-12-08 16:04:18,098 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:04:18,099 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/sv-benchmarks/c/pthread/bigshot_p_false-unreach-call.i [2018-12-08 16:04:18,106 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/data/9c85b6c72/ac9d02ab11e34d2891309f1a7bcebde1/FLAGe7174f845 [2018-12-08 16:04:18,460 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/data/9c85b6c72/ac9d02ab11e34d2891309f1a7bcebde1 [2018-12-08 16:04:18,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:04:18,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:04:18,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:04:18,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:04:18,477 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:04:18,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:04:18" (1/1) ... [2018-12-08 16:04:18,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2657aed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:18, skipping insertion in model container [2018-12-08 16:04:18,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:04:18" (1/1) ... [2018-12-08 16:04:18,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:04:18,506 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:04:18,756 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:04:18,768 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:04:18,838 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:04:18,915 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:04:18,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:18 WrapperNode [2018-12-08 16:04:18,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:04:18,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:04:18,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:04:18,916 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:04:18,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:18" (1/1) ... [2018-12-08 16:04:18,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:18" (1/1) ... [2018-12-08 16:04:18,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:04:18,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:04:18,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:04:18,945 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:04:18,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:18" (1/1) ... [2018-12-08 16:04:18,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:18" (1/1) ... [2018-12-08 16:04:18,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:18" (1/1) ... [2018-12-08 16:04:18,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:18" (1/1) ... [2018-12-08 16:04:18,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:18" (1/1) ... [2018-12-08 16:04:18,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:18" (1/1) ... [2018-12-08 16:04:18,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:18" (1/1) ... [2018-12-08 16:04:18,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:04:18,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:04:18,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:04:18,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:04:18,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/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 [2018-12-08 16:04:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-12-08 16:04:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 16:04:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:04:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 16:04:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:04:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-12-08 16:04:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-12-08 16:04:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2018-12-08 16:04:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2018-12-08 16:04:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-12-08 16:04:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:04:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:04:19,003 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 16:04:19,185 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:04:19,185 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-08 16:04:19,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:04:19 BoogieIcfgContainer [2018-12-08 16:04:19,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:04:19,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:04:19,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:04:19,188 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:04:19,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:04:18" (1/3) ... [2018-12-08 16:04:19,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794e115c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:04:19, skipping insertion in model container [2018-12-08 16:04:19,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:04:18" (2/3) ... [2018-12-08 16:04:19,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794e115c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:04:19, skipping insertion in model container [2018-12-08 16:04:19,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:04:19" (3/3) ... [2018-12-08 16:04:19,190 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_p_false-unreach-call.i [2018-12-08 16:04:19,213 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,213 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,213 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,213 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,213 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,214 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,214 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,214 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,214 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,214 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,214 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,214 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,214 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,214 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,215 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,215 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,215 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,215 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,215 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,216 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,216 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,216 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,216 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,216 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,216 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,217 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,217 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,217 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,217 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,217 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,217 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,218 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,218 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,218 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,218 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,218 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,218 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,221 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,221 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,221 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,221 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,221 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:04:19,232 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 16:04:19,232 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:04:19,237 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:04:19,246 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:04:19,262 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:04:19,262 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:04:19,262 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:04:19,262 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:04:19,262 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:04:19,262 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:04:19,262 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:04:19,263 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:04:19,263 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:04:19,268 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65places, 69 transitions [2018-12-08 16:04:19,287 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 538 states. [2018-12-08 16:04:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states. [2018-12-08 16:04:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 16:04:19,298 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:19,298 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:19,300 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:04:19,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:19,303 INFO L82 PathProgramCache]: Analyzing trace with hash -320626591, now seen corresponding path program 1 times [2018-12-08 16:04:19,306 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 16:04:19,307 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 16:04:19,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:04:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:04:19,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:04:19,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:19,413 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 16:04:19,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:04:19,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 16:04:19,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:04:19,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:04:19,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:04:19,433 INFO L87 Difference]: Start difference. First operand 538 states. Second operand 5 states. [2018-12-08 16:04:19,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:04:19,507 INFO L93 Difference]: Finished difference Result 538 states and 1276 transitions. [2018-12-08 16:04:19,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 16:04:19,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-12-08 16:04:19,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:04:19,518 INFO L225 Difference]: With dead ends: 538 [2018-12-08 16:04:19,518 INFO L226 Difference]: Without dead ends: 528 [2018-12-08 16:04:19,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:04:19,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-12-08 16:04:19,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2018-12-08 16:04:19,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-12-08 16:04:19,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 1266 transitions. [2018-12-08 16:04:19,558 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 1266 transitions. Word has length 38 [2018-12-08 16:04:19,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:04:19,559 INFO L480 AbstractCegarLoop]: Abstraction has 528 states and 1266 transitions. [2018-12-08 16:04:19,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:04:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 1266 transitions. [2018-12-08 16:04:19,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 16:04:19,561 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:19,561 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:19,561 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:04:19,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:19,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1253301410, now seen corresponding path program 1 times [2018-12-08 16:04:19,562 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 16:04:19,562 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 16:04:19,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:04:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:04:19,618 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:04:19,637 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-12-08 16:04:19,639 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-08 16:04:19,640 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,642 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,647 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,648 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-12-08 16:04:19,667 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-12-08 16:04:19,670 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-12-08 16:04:19,671 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,673 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,678 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,678 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:20, output treesize:9 [2018-12-08 16:04:19,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:19,698 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 16:04:19,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:04:19,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 16:04:19,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:04:19,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:04:19,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:04:19,701 INFO L87 Difference]: Start difference. First operand 528 states and 1266 transitions. Second operand 5 states. [2018-12-08 16:04:19,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:04:19,787 INFO L93 Difference]: Finished difference Result 822 states and 1900 transitions. [2018-12-08 16:04:19,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:04:19,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-12-08 16:04:19,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:04:19,791 INFO L225 Difference]: With dead ends: 822 [2018-12-08 16:04:19,791 INFO L226 Difference]: Without dead ends: 802 [2018-12-08 16:04:19,791 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:04:19,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2018-12-08 16:04:19,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 615. [2018-12-08 16:04:19,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2018-12-08 16:04:19,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 1465 transitions. [2018-12-08 16:04:19,813 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 1465 transitions. Word has length 40 [2018-12-08 16:04:19,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:04:19,814 INFO L480 AbstractCegarLoop]: Abstraction has 615 states and 1465 transitions. [2018-12-08 16:04:19,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:04:19,814 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1465 transitions. [2018-12-08 16:04:19,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 16:04:19,815 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:19,815 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:19,815 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:04:19,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:19,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1904543826, now seen corresponding path program 2 times [2018-12-08 16:04:19,816 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 16:04:19,816 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 16:04:19,839 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-08 16:04:19,885 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-08 16:04:19,885 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 16:04:19,887 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:04:19,890 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 16:04:19,891 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,892 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,892 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-08 16:04:19,898 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 16:04:19,899 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 16:04:19,900 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-12-08 16:04:19,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,902 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-12-08 16:04:19,910 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-12-08 16:04:19,913 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-08 16:04:19,913 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,915 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,921 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:16, output treesize:12 [2018-12-08 16:04:19,946 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-12-08 16:04:19,949 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-08 16:04:19,949 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,960 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:04:19,974 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-08 16:04:19,974 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:19 [2018-12-08 16:04:20,044 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-12-08 16:04:20,048 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-12-08 16:04:20,048 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 16:04:20,064 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-12-08 16:04:20,065 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 16:04:20,067 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:04:20,075 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 16:04:20,076 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:33, output treesize:9 [2018-12-08 16:04:20,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:04:20,096 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 16:04:20,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:04:20,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 16:04:20,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 16:04:20,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 16:04:20,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:04:20,098 INFO L87 Difference]: Start difference. First operand 615 states and 1465 transitions. Second operand 8 states. [2018-12-08 16:04:20,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:04:20,388 INFO L93 Difference]: Finished difference Result 1031 states and 2329 transitions. [2018-12-08 16:04:20,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 16:04:20,388 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-12-08 16:04:20,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:04:20,390 INFO L225 Difference]: With dead ends: 1031 [2018-12-08 16:04:20,390 INFO L226 Difference]: Without dead ends: 1031 [2018-12-08 16:04:20,391 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2018-12-08 16:04:20,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2018-12-08 16:04:20,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 776. [2018-12-08 16:04:20,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 776 states. [2018-12-08 16:04:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1860 transitions. [2018-12-08 16:04:20,402 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1860 transitions. Word has length 40 [2018-12-08 16:04:20,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:04:20,402 INFO L480 AbstractCegarLoop]: Abstraction has 776 states and 1860 transitions. [2018-12-08 16:04:20,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 16:04:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1860 transitions. [2018-12-08 16:04:20,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 16:04:20,403 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:04:20,403 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:04:20,403 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:04:20,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:04:20,404 INFO L82 PathProgramCache]: Analyzing trace with hash 885188094, now seen corresponding path program 1 times [2018-12-08 16:04:20,404 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 16:04:20,404 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 16:04:20,419 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 16:04:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:04:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:04:20,577 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 16:04:20,594 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,595 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,595 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,595 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,596 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,596 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,596 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,596 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,597 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,597 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,597 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,598 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,598 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,598 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,598 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,599 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,599 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,599 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,600 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,600 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,600 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,600 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,601 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,601 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,601 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,601 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,602 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,602 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,602 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,602 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,603 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,603 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,603 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,603 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,604 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,604 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,604 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,605 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,617 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-08 16:04:20,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:04:20 BasicIcfg [2018-12-08 16:04:20,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:04:20,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:04:20,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:04:20,619 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:04:20,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:04:19" (3/4) ... [2018-12-08 16:04:20,620 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 16:04:20,628 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,629 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,629 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,629 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,629 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,630 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,630 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,630 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,630 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,630 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,631 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,631 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,631 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,632 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,632 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,632 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,633 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,633 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,633 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,633 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,633 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,634 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,634 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,634 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,634 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,635 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,635 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,635 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,635 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,636 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,636 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,636 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,636 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,637 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,637 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,637 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,637 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,637 WARN L416 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2018-12-08 16:04:20,674 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_08469be2-5f6f-4efc-83f0-9149db3d0912/bin-2019/utaipan/witness.graphml [2018-12-08 16:04:20,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:04:20,675 INFO L168 Benchmark]: Toolchain (without parser) took 2208.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 938.0 MB in the beginning and 814.7 MB in the end (delta: 123.3 MB). Peak memory consumption was 252.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:04:20,676 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:04:20,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:04:20,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.14 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:04:20,677 INFO L168 Benchmark]: Boogie Preprocessor took 17.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:04:20,677 INFO L168 Benchmark]: RCFGBuilder took 222.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:04:20,677 INFO L168 Benchmark]: TraceAbstraction took 1432.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 827.9 MB in the end (delta: 204.9 MB). Peak memory consumption was 204.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:04:20,678 INFO L168 Benchmark]: Witness Printer took 55.81 ms. Allocated memory is still 1.2 GB. Free memory was 827.9 MB in the beginning and 814.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:04:20,679 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 443.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.14 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.59 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 222.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1432.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 827.9 MB in the end (delta: 204.9 MB). Peak memory consumption was 204.9 MB. Max. memory is 11.5 GB. * Witness Printer took 55.81 ms. Allocated memory is still 1.2 GB. Free memory was 827.9 MB in the beginning and 814.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1212]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1213] -1 char *v; VAL [v={0:0}] [L1226] -1 pthread_t t1, t2; VAL [v={0:0}] [L1227] FCALL, FORK -1 pthread_create(&t1, 0, thread1, 0) VAL [v={0:0}] [L1228] FCALL, FORK -1 pthread_create(&t2, 0, thread2, 0) VAL [v={0:0}] [L1221] COND FALSE 0 !(\read(*v)) VAL [v={0:0}] [L1222] 0 return 0; VAL [v={0:0}] [L1229] -1 \read(t1) VAL [v={0:0}] [L1216] 1 v = calloc(8, sizeof(char)) VAL [v={3:0}] [L1217] 1 return 0; VAL [v={3:0}] [L1229] FCALL, JOIN 1 pthread_join(t1, 0) VAL [v={3:0}] [L1230] -1 \read(t2) VAL [v={3:0}] [L1230] FCALL, JOIN 0 pthread_join(t2, 0) VAL [v={3:0}] [L1231] -1 !v || v[0] == 'B' VAL [v={3:0}] [L1231] EXPR -1 v[0] VAL [v={3:0}] [L1231] -1 !v || v[0] == 'B' VAL [v={3:0}] [L1212] COND TRUE -1 !expression VAL [v={3:0}] [L1212] -1 __VERIFIER_error() VAL [v={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 90 locations, 1 error locations. UNSAFE Result, 1.3s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 288 SDtfs, 489 SDslu, 493 SDs, 0 SdLazy, 152 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=776occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 442 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 115 ConstructedInterpolants, 6 QuantifiedInterpolants, 20975 SizeOfPredicates, 15 NumberOfNonLiveVariables, 220 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...