./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue_ok_longer_true-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_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longer_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/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 e3e5a0173ce12c5ff8bb2bd5d43d8d4d784bb4c2 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longer_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/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 e3e5a0173ce12c5ff8bb2bd5d43d8d4d784bb4c2 .............................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: null --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:30:19,295 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:30:19,296 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:30:19,302 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:30:19,303 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:30:19,303 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:30:19,304 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:30:19,305 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:30:19,306 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:30:19,306 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:30:19,307 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:30:19,307 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:30:19,307 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:30:19,308 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:30:19,309 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:30:19,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:30:19,310 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:30:19,311 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:30:19,312 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:30:19,312 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:30:19,313 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:30:19,314 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:30:19,315 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:30:19,315 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:30:19,315 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:30:19,316 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:30:19,316 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:30:19,317 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:30:19,317 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:30:19,318 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:30:19,318 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:30:19,319 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:30:19,319 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:30:19,319 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:30:19,319 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:30:19,320 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:30:19,320 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:30:19,327 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:30:19,328 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:30:19,328 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:30:19,328 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:30:19,328 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:30:19,329 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:30:19,329 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:30:19,329 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:30:19,329 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:30:19,329 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:30:19,329 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:30:19,329 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:30:19,329 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:30:19,330 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:30:19,330 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:30:19,330 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:30:19,330 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:30:19,330 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:30:19,330 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:30:19,331 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:30:19,331 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:30:19,331 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:30:19,331 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:30:19,331 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:30:19,331 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:30:19,331 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:30:19,332 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:30:19,332 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:30:19,332 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:30:19,332 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:30:19,332 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:30:19,332 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:30:19,332 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:30:19,332 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:30:19,333 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:30:19,333 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:30:19,333 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_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/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 -> e3e5a0173ce12c5ff8bb2bd5d43d8d4d784bb4c2 [2018-12-09 19:30:19,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:30:19,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:30:19,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:30:19,366 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:30:19,366 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:30:19,367 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_longer_true-unreach-call.i [2018-12-09 19:30:19,409 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/data/eec7b24a7/8ea1fd2180034b0f967763ca89713281/FLAGaee20b814 [2018-12-09 19:30:19,828 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:30:19,828 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/sv-benchmarks/c/pthread/queue_ok_longer_true-unreach-call.i [2018-12-09 19:30:19,836 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/data/eec7b24a7/8ea1fd2180034b0f967763ca89713281/FLAGaee20b814 [2018-12-09 19:30:19,844 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/data/eec7b24a7/8ea1fd2180034b0f967763ca89713281 [2018-12-09 19:30:19,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:30:19,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:30:19,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:30:19,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:30:19,849 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:30:19,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:19" (1/1) ... [2018-12-09 19:30:19,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7209347d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:19, skipping insertion in model container [2018-12-09 19:30:19,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:19" (1/1) ... [2018-12-09 19:30:19,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:30:19,877 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:30:20,142 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:30:20,184 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:30:20,223 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:30:20,299 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:30:20,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:20 WrapperNode [2018-12-09 19:30:20,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:30:20,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:30:20,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:30:20,300 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:30:20,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:20" (1/1) ... [2018-12-09 19:30:20,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:20" (1/1) ... [2018-12-09 19:30:20,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:30:20,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:30:20,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:30:20,358 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:30:20,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:20" (1/1) ... [2018-12-09 19:30:20,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:20" (1/1) ... [2018-12-09 19:30:20,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:20" (1/1) ... [2018-12-09 19:30:20,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:20" (1/1) ... [2018-12-09 19:30:20,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:20" (1/1) ... [2018-12-09 19:30:20,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:20" (1/1) ... [2018-12-09 19:30:20,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:20" (1/1) ... [2018-12-09 19:30:20,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:30:20,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:30:20,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:30:20,401 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:30:20,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/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 [2018-12-09 19:30:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-12-09 19:30:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-12-09 19:30:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-12-09 19:30:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-12-09 19:30:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 19:30:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 19:30:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:30:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 19:30:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 19:30:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-12-09 19:30:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:30:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:30:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:30:20,444 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 19:30:21,293 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:30:21,293 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-09 19:30:21,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:30:21 BoogieIcfgContainer [2018-12-09 19:30:21,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:30:21,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:30:21,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:30:21,296 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:30:21,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:30:19" (1/3) ... [2018-12-09 19:30:21,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a54868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:30:21, skipping insertion in model container [2018-12-09 19:30:21,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:20" (2/3) ... [2018-12-09 19:30:21,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a54868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:30:21, skipping insertion in model container [2018-12-09 19:30:21,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:30:21" (3/3) ... [2018-12-09 19:30:21,299 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longer_true-unreach-call.i [2018-12-09 19:30:21,333 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,334 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,334 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,334 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,334 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,334 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,334 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,334 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,335 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,335 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,335 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,335 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,335 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,335 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,335 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,335 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,336 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,336 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,336 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,336 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,336 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,336 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,336 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,336 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,336 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,336 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,336 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,337 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,337 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,337 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,337 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,337 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,337 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,337 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,337 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,337 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,337 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,337 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,337 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,338 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,338 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,338 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,338 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,338 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,338 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,338 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,338 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,338 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,338 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,339 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,339 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,339 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,339 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,339 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,339 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,339 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,339 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,339 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,339 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,340 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,340 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,340 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,340 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,340 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,340 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,340 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,340 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,340 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,340 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,341 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,341 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,342 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,342 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,342 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,342 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,342 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,342 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,342 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,343 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,343 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,343 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,343 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,343 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,343 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,343 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,343 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,343 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,344 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,344 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,344 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,344 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,344 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,344 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,344 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,344 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,344 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,344 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,344 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,345 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,345 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,345 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,345 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,345 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,345 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,345 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,345 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,345 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,345 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,345 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,347 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,348 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,350 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,350 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,350 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,350 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,351 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:30:21,360 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 19:30:21,360 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:30:21,366 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-09 19:30:21,375 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-09 19:30:21,391 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:30:21,391 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:30:21,391 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:30:21,391 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:30:21,391 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:30:21,391 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:30:21,391 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:30:21,391 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:30:21,405 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 992places, 1004 transitions [2018-12-09 19:30:21,563 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 11589 states. [2018-12-09 19:30:21,564 INFO L276 IsEmpty]: Start isEmpty. Operand 11589 states. [2018-12-09 19:30:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 847 [2018-12-09 19:30:21,587 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:21,588 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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] [2018-12-09 19:30:21,590 INFO L423 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:21,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:21,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1965355602, now seen corresponding path program 1 times [2018-12-09 19:30:21,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:21,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:21,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:21,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:21,632 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:30:22,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:30:22,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:30:22,154 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:30:22,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:30:22,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:30:22,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:30:22,168 INFO L87 Difference]: Start difference. First operand 11589 states. Second operand 2 states. [2018-12-09 19:30:22,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:22,253 INFO L93 Difference]: Finished difference Result 11586 states and 30155 transitions. [2018-12-09 19:30:22,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:30:22,254 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 846 [2018-12-09 19:30:22,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:22,289 INFO L225 Difference]: With dead ends: 11586 [2018-12-09 19:30:22,290 INFO L226 Difference]: Without dead ends: 10551 [2018-12-09 19:30:22,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:30:22,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10551 states. [2018-12-09 19:30:22,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10551 to 10551. [2018-12-09 19:30:22,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10551 states. [2018-12-09 19:30:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10551 states to 10551 states and 27328 transitions. [2018-12-09 19:30:22,488 INFO L78 Accepts]: Start accepts. Automaton has 10551 states and 27328 transitions. Word has length 846 [2018-12-09 19:30:22,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:22,489 INFO L480 AbstractCegarLoop]: Abstraction has 10551 states and 27328 transitions. [2018-12-09 19:30:22,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:30:22,490 INFO L276 IsEmpty]: Start isEmpty. Operand 10551 states and 27328 transitions. [2018-12-09 19:30:22,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2018-12-09 19:30:22,539 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:22,539 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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] [2018-12-09 19:30:22,540 INFO L423 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:22,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:22,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1448189093, now seen corresponding path program 1 times [2018-12-09 19:30:22,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:22,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:22,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:22,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:22,542 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:22,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:30:22,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:30:22,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:30:22,885 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:30:22,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:30:22,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:30:22,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:30:22,887 INFO L87 Difference]: Start difference. First operand 10551 states and 27328 transitions. Second operand 3 states. [2018-12-09 19:30:22,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:22,921 INFO L93 Difference]: Finished difference Result 2718 states and 5321 transitions. [2018-12-09 19:30:22,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:30:22,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 899 [2018-12-09 19:30:22,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:22,930 INFO L225 Difference]: With dead ends: 2718 [2018-12-09 19:30:22,930 INFO L226 Difference]: Without dead ends: 2631 [2018-12-09 19:30:22,931 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:30:22,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2018-12-09 19:30:22,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2631. [2018-12-09 19:30:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2631 states. [2018-12-09 19:30:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 5122 transitions. [2018-12-09 19:30:22,959 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 5122 transitions. Word has length 899 [2018-12-09 19:30:22,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:22,960 INFO L480 AbstractCegarLoop]: Abstraction has 2631 states and 5122 transitions. [2018-12-09 19:30:22,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:30:22,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 5122 transitions. [2018-12-09 19:30:22,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2018-12-09 19:30:22,965 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:22,966 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:30:22,966 INFO L423 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:22,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:22,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1610976904, now seen corresponding path program 1 times [2018-12-09 19:30:22,966 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:22,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:22,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:22,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:22,968 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:30:23,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:30:23,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:30:23,319 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:30:23,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:30:23,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:30:23,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:30:23,320 INFO L87 Difference]: Start difference. First operand 2631 states and 5122 transitions. Second operand 3 states. [2018-12-09 19:30:23,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:30:23,361 INFO L93 Difference]: Finished difference Result 3243 states and 6602 transitions. [2018-12-09 19:30:23,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:30:23,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 909 [2018-12-09 19:30:23,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:30:23,372 INFO L225 Difference]: With dead ends: 3243 [2018-12-09 19:30:23,372 INFO L226 Difference]: Without dead ends: 3243 [2018-12-09 19:30:23,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:30:23,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3243 states. [2018-12-09 19:30:23,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3243 to 2649. [2018-12-09 19:30:23,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2649 states. [2018-12-09 19:30:23,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2649 states and 5165 transitions. [2018-12-09 19:30:23,416 INFO L78 Accepts]: Start accepts. Automaton has 2649 states and 5165 transitions. Word has length 909 [2018-12-09 19:30:23,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:30:23,416 INFO L480 AbstractCegarLoop]: Abstraction has 2649 states and 5165 transitions. [2018-12-09 19:30:23,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:30:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 5165 transitions. [2018-12-09 19:30:23,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2018-12-09 19:30:23,422 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:30:23,422 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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] [2018-12-09 19:30:23,422 INFO L423 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:30:23,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:30:23,422 INFO L82 PathProgramCache]: Analyzing trace with hash -359671302, now seen corresponding path program 1 times [2018-12-09 19:30:23,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:30:23,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:23,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:30:23,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:30:23,424 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:30:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:30:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:30:23,795 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:30:23,795 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:30:23,796 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 [2018-12-09 19:30:23,799 INFO L168 Benchmark]: Toolchain (without parser) took 3952.22 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 957.1 MB in the beginning and 955.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 19:30:23,800 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:30:23,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -54.8 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:23,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.23 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:23,801 INFO L168 Benchmark]: Boogie Preprocessor took 42.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.1 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:23,801 INFO L168 Benchmark]: RCFGBuilder took 893.58 ms. Allocated memory is still 1.1 GB. Free memory was 997.1 MB in the beginning and 829.6 MB in the end (delta: 167.4 MB). Peak memory consumption was 167.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:23,801 INFO L168 Benchmark]: TraceAbstraction took 2503.97 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 829.6 MB in the beginning and 955.8 MB in the end (delta: -126.2 MB). Peak memory consumption was 881.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:23,803 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 452.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -54.8 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.23 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.1 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 893.58 ms. Allocated memory is still 1.1 GB. Free memory was 997.1 MB in the beginning and 829.6 MB in the end (delta: 167.4 MB). Peak memory consumption was 167.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2503.97 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 829.6 MB in the beginning and 955.8 MB in the end (delta: -126.2 MB). Peak memory consumption was 881.5 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 [2018-12-09 19:30:25,164 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:30:25,165 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:30:25,171 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:30:25,171 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:30:25,172 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:30:25,172 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:30:25,173 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:30:25,174 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:30:25,174 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:30:25,175 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:30:25,175 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:30:25,175 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:30:25,176 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:30:25,176 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:30:25,176 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:30:25,177 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:30:25,178 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:30:25,179 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:30:25,179 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:30:25,180 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:30:25,180 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:30:25,181 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:30:25,182 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:30:25,182 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:30:25,182 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:30:25,183 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:30:25,183 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:30:25,183 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:30:25,184 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:30:25,184 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:30:25,184 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:30:25,184 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:30:25,185 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:30:25,185 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:30:25,185 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:30:25,185 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 19:30:25,193 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:30:25,193 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:30:25,193 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:30:25,194 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:30:25,194 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:30:25,194 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:30:25,194 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:30:25,194 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:30:25,194 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:30:25,194 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:30:25,195 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:30:25,195 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:30:25,195 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:30:25,195 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:30:25,195 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:30:25,195 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:30:25,195 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:30:25,195 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 19:30:25,195 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 19:30:25,195 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:30:25,195 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:30:25,196 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:30:25,196 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:30:25,196 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:30:25,196 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:30:25,196 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:30:25,196 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:30:25,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:30:25,196 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:30:25,196 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:30:25,196 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:30:25,196 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 19:30:25,197 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:30:25,197 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 19:30:25,197 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 19:30:25,197 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_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/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 -> e3e5a0173ce12c5ff8bb2bd5d43d8d4d784bb4c2 [2018-12-09 19:30:25,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:30:25,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:30:25,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:30:25,228 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:30:25,228 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:30:25,229 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_longer_true-unreach-call.i [2018-12-09 19:30:25,268 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/data/571419a2e/7adc20912fd84ac597b69e990184c29a/FLAG00e46237d [2018-12-09 19:30:25,704 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:30:25,705 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/sv-benchmarks/c/pthread/queue_ok_longer_true-unreach-call.i [2018-12-09 19:30:25,712 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/data/571419a2e/7adc20912fd84ac597b69e990184c29a/FLAG00e46237d [2018-12-09 19:30:25,720 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b3ca3de5-41de-44b3-89d7-88ff06bdb01d/bin-2019/utaipan/data/571419a2e/7adc20912fd84ac597b69e990184c29a [2018-12-09 19:30:25,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:30:25,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:30:25,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:30:25,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:30:25,726 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:30:25,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:25" (1/1) ... [2018-12-09 19:30:25,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d6b1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:25, skipping insertion in model container [2018-12-09 19:30:25,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:25" (1/1) ... [2018-12-09 19:30:25,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:30:25,755 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:30:25,988 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:30:26,056 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:30:26,083 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:30:26,084 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.extractNonAggregateNonUnionTypes(CTranslationUtil.java:470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getInitializationForOnHeapVariableOfAggregateOrUnionType(MemoryHandler.java:2813) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.makeOnHeapDefaultInitializationViaConstArray(InitializationHandler.java:814) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:254) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:194) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.createUltimateInitProcedure(PostProcessor.java:639) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.postProcess(PostProcessor.java:205) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:566) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:230) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 19:30:26,087 INFO L168 Benchmark]: Toolchain (without parser) took 364.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:26,089 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:30:26,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:30:26,090 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.extractNonAggregateNonUnionTypes(CTranslationUtil.java:470) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...