./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread/singleton_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/singleton_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/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 7540c95af84ce36a44a847aa5fc0422896a0f0bd .............................................................................................................................................................................................................................................................................................................................................. 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_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/singleton_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/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 7540c95af84ce36a44a847aa5fc0422896a0f0bd ....................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:05:50,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:05:50,055 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:05:50,062 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:05:50,062 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:05:50,062 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:05:50,063 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:05:50,064 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:05:50,065 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:05:50,066 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:05:50,067 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:05:50,067 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:05:50,067 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:05:50,068 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:05:50,068 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:05:50,069 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:05:50,069 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:05:50,070 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:05:50,071 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:05:50,072 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:05:50,072 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:05:50,073 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:05:50,074 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:05:50,074 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:05:50,074 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:05:50,075 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:05:50,075 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:05:50,076 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:05:50,076 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:05:50,077 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:05:50,077 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:05:50,078 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:05:50,078 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:05:50,078 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:05:50,079 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:05:50,079 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:05:50,079 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:05:50,086 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:05:50,087 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:05:50,087 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:05:50,087 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:05:50,087 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:05:50,088 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:05:50,088 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:05:50,088 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:05:50,088 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:05:50,088 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:05:50,088 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:05:50,088 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:05:50,089 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:05:50,089 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:05:50,089 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:05:50,089 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:05:50,089 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:05:50,090 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:05:50,090 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:05:50,090 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:05:50,090 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:05:50,090 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:05:50,090 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:05:50,090 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:05:50,090 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:05:50,091 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:05:50,091 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:05:50,091 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:05:50,091 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:05:50,091 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:05:50,091 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:05:50,091 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:05:50,092 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:05:50,092 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:05:50,092 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:05:50,092 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:05:50,092 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:05:50,092 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_451d78f7-a401-4ca6-809e-4af911aa06e7/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 -> 7540c95af84ce36a44a847aa5fc0422896a0f0bd [2018-11-18 10:05:50,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:05:50,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:05:50,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:05:50,129 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:05:50,129 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:05:50,130 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/../../sv-benchmarks/c/pthread/singleton_false-unreach-call.i [2018-11-18 10:05:50,175 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/data/a4d06ea81/aa9ec026875d470f86b486cd7cb09fc1/FLAGdae1c0112 [2018-11-18 10:05:50,621 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:05:50,622 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/sv-benchmarks/c/pthread/singleton_false-unreach-call.i [2018-11-18 10:05:50,633 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/data/a4d06ea81/aa9ec026875d470f86b486cd7cb09fc1/FLAGdae1c0112 [2018-11-18 10:05:50,645 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/data/a4d06ea81/aa9ec026875d470f86b486cd7cb09fc1 [2018-11-18 10:05:50,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:05:50,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:05:50,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:05:50,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:05:50,653 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:05:50,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:05:50" (1/1) ... [2018-11-18 10:05:50,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c938308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:50, skipping insertion in model container [2018-11-18 10:05:50,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:05:50" (1/1) ... [2018-11-18 10:05:50,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:05:50,703 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:05:51,013 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:05:51,019 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:05:51,099 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:05:51,204 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:05:51,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:51 WrapperNode [2018-11-18 10:05:51,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:05:51,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:05:51,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:05:51,205 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:05:51,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:51" (1/1) ... [2018-11-18 10:05:51,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:51" (1/1) ... [2018-11-18 10:05:51,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:05:51,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:05:51,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:05:51,233 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:05:51,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:51" (1/1) ... [2018-11-18 10:05:51,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:51" (1/1) ... [2018-11-18 10:05:51,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:51" (1/1) ... [2018-11-18 10:05:51,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:51" (1/1) ... [2018-11-18 10:05:51,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:51" (1/1) ... [2018-11-18 10:05:51,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:51" (1/1) ... [2018-11-18 10:05:51,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:51" (1/1) ... [2018-11-18 10:05:51,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:05:51,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:05:51,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:05:51,258 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:05:51,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/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 [2018-11-18 10:05:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:05:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:05:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:05:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:05:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 10:05:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2018-11-18 10:05:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2018-11-18 10:05:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-11-18 10:05:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-11-18 10:05:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2018-11-18 10:05:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2018-11-18 10:05:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2018-11-18 10:05:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2018-11-18 10:05:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 10:05:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 10:05:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 10:05:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:05:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:05:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:05:51,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:05:51,305 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 10:05:51,554 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:05:51,584 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,584 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,584 WARN L317 ript$VariableManager]: TermVariabe Thread5_thread0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,584 WARN L317 ript$VariableManager]: TermVariabe Thread5_thread0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,585 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,585 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,585 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,585 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,585 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,585 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,586 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,586 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,586 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,586 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,586 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,587 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,587 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,587 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,587 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,587 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,587 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,588 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,591 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,591 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,592 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,592 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,593 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,593 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,593 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,593 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,593 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,594 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,594 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,594 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,594 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,594 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,594 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,595 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,595 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,595 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,595 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,595 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,595 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,596 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,596 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,596 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,596 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,596 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,596 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,597 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,597 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,597 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,597 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,597 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,598 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,598 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,598 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,598 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,598 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,598 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,599 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,599 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,599 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,599 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,599 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,599 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,600 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,600 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,600 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,604 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,604 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,605 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,605 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,605 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,605 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,605 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,605 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,606 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,606 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,606 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,606 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,606 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,606 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,606 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,607 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,607 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,607 WARN L317 ript$VariableManager]: TermVariabe |Thread3_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,607 WARN L317 ript$VariableManager]: TermVariabe |Thread3_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,607 WARN L317 ript$VariableManager]: TermVariabe Thread3_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,607 WARN L317 ript$VariableManager]: TermVariabe Thread3_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,608 WARN L317 ript$VariableManager]: TermVariabe |Thread3_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,608 WARN L317 ript$VariableManager]: TermVariabe |Thread3_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,608 WARN L317 ript$VariableManager]: TermVariabe |Thread4_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,608 WARN L317 ript$VariableManager]: TermVariabe |Thread4_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,608 WARN L317 ript$VariableManager]: TermVariabe Thread4_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,608 WARN L317 ript$VariableManager]: TermVariabe Thread4_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,609 WARN L317 ript$VariableManager]: TermVariabe |Thread4_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,609 WARN L317 ript$VariableManager]: TermVariabe |Thread4_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,610 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,610 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,610 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,610 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,610 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,610 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,611 WARN L317 ript$VariableManager]: TermVariabe |Thread2_thread3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,611 WARN L317 ript$VariableManager]: TermVariabe |Thread2_thread3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,611 WARN L317 ript$VariableManager]: TermVariabe Thread2_thread3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,611 WARN L317 ript$VariableManager]: TermVariabe Thread2_thread3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,611 WARN L317 ript$VariableManager]: TermVariabe |Thread2_thread3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,611 WARN L317 ript$VariableManager]: TermVariabe |Thread2_thread3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:51,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:05:51 BasicIcfg [2018-11-18 10:05:51,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:05:51,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:05:51,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:05:51,784 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:05:51,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:05:50" (1/3) ... [2018-11-18 10:05:51,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8f19d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:05:51, skipping insertion in model container [2018-11-18 10:05:51,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:51" (2/3) ... [2018-11-18 10:05:51,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8f19d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:05:51, skipping insertion in model container [2018-11-18 10:05:51,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:05:51" (3/3) ... [2018-11-18 10:05:51,787 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_false-unreach-call.i_BEv2 [2018-11-18 10:05:51,797 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:05:51,803 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-11-18 10:05:51,813 INFO L257 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2018-11-18 10:05:51,834 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:05:51,834 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:05:51,834 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:05:51,835 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:05:51,835 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:05:51,835 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:05:51,835 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:05:51,835 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:05:51,844 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) 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:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2018-11-18 10:05:51,846 INFO L168 Benchmark]: Toolchain (without parser) took 1197.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -65.4 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:51,847 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:05:51,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:51,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:51,848 INFO L168 Benchmark]: Boogie Preprocessor took 24.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:05:51,849 INFO L168 Benchmark]: RCFGBuilder took 523.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:51,850 INFO L168 Benchmark]: TraceAbstraction took 63.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:51,852 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 554.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 523.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 63.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 10:05:53,314 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:05:53,316 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:05:53,325 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:05:53,325 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:05:53,326 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:05:53,327 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:05:53,328 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:05:53,329 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:05:53,330 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:05:53,330 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:05:53,331 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:05:53,332 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:05:53,332 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:05:53,333 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:05:53,334 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:05:53,334 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:05:53,336 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:05:53,337 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:05:53,338 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:05:53,339 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:05:53,340 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:05:53,342 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:05:53,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:05:53,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:05:53,343 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:05:53,344 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:05:53,345 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:05:53,345 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:05:53,346 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:05:53,346 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:05:53,347 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:05:53,347 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:05:53,347 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:05:53,348 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:05:53,349 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:05:53,349 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 10:05:53,360 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:05:53,360 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:05:53,361 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:05:53,361 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:05:53,361 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:05:53,361 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:05:53,361 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:05:53,362 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:05:53,362 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:05:53,362 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:05:53,362 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:05:53,362 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:05:53,363 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:05:53,363 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:05:53,363 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:05:53,363 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:05:53,363 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:05:53,363 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 10:05:53,363 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 10:05:53,363 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:05:53,364 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:05:53,364 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:05:53,364 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:05:53,366 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:05:53,366 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:05:53,366 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:05:53,366 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:05:53,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:05:53,367 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:05:53,367 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:05:53,367 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:05:53,367 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 10:05:53,367 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:05:53,367 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 10:05:53,367 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 10:05:53,367 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_451d78f7-a401-4ca6-809e-4af911aa06e7/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 -> 7540c95af84ce36a44a847aa5fc0422896a0f0bd [2018-11-18 10:05:53,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:05:53,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:05:53,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:05:53,411 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:05:53,411 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:05:53,412 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/../../sv-benchmarks/c/pthread/singleton_false-unreach-call.i [2018-11-18 10:05:53,460 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/data/83e463b3c/6b056ccd8d9544a0a6151a2750690936/FLAG1cd51bde8 [2018-11-18 10:05:53,852 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:05:53,852 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/sv-benchmarks/c/pthread/singleton_false-unreach-call.i [2018-11-18 10:05:53,863 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/data/83e463b3c/6b056ccd8d9544a0a6151a2750690936/FLAG1cd51bde8 [2018-11-18 10:05:54,228 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/bin-2019/utaipan/data/83e463b3c/6b056ccd8d9544a0a6151a2750690936 [2018-11-18 10:05:54,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:05:54,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:05:54,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:05:54,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:05:54,234 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:05:54,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:05:54" (1/1) ... [2018-11-18 10:05:54,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6f42d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:54, skipping insertion in model container [2018-11-18 10:05:54,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:05:54" (1/1) ... [2018-11-18 10:05:54,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:05:54,284 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:05:54,708 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:05:54,720 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:05:54,754 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:05:54,942 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:05:54,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:54 WrapperNode [2018-11-18 10:05:54,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:05:54,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:05:54,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:05:54,943 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:05:54,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:54" (1/1) ... [2018-11-18 10:05:54,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:54" (1/1) ... [2018-11-18 10:05:54,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:05:54,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:05:54,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:05:54,974 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:05:54,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:54" (1/1) ... [2018-11-18 10:05:54,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:54" (1/1) ... [2018-11-18 10:05:54,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:54" (1/1) ... [2018-11-18 10:05:54,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:54" (1/1) ... [2018-11-18 10:05:54,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:54" (1/1) ... [2018-11-18 10:05:54,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:54" (1/1) ... [2018-11-18 10:05:54,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:54" (1/1) ... [2018-11-18 10:05:55,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:05:55,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:05:55,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:05:55,003 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:05:55,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_451d78f7-a401-4ca6-809e-4af911aa06e7/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 [2018-11-18 10:05:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-18 10:05:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 10:05:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:05:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:05:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-18 10:05:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:05:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:05:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2018-11-18 10:05:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2018-11-18 10:05:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-11-18 10:05:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-11-18 10:05:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2018-11-18 10:05:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2018-11-18 10:05:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2018-11-18 10:05:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2018-11-18 10:05:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 10:05:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 10:05:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:05:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:05:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:05:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:05:55,052 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 10:05:55,356 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:05:55,381 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,381 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,382 WARN L317 ript$VariableManager]: TermVariabe Thread5_thread0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,382 WARN L317 ript$VariableManager]: TermVariabe Thread5_thread0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,382 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,382 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,382 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,382 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,383 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,383 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,384 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,384 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,384 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,384 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,385 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,385 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,385 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,385 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,385 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,386 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,386 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,386 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,386 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,387 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,387 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,387 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,387 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,387 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,388 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,388 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,388 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,388 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,388 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,389 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,389 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,389 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,389 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,389 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,389 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,389 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,390 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,390 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,390 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,390 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,390 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,390 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,391 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,391 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,391 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,391 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,391 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,391 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,391 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,392 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,392 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,392 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,392 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,395 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,395 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,395 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,396 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,396 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,396 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,396 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,396 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,396 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,396 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,396 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,397 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,397 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,397 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,397 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,397 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,397 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,397 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,398 WARN L317 ript$VariableManager]: TermVariabe |Thread5_thread0_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,398 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,398 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,398 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,398 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,398 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,398 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,399 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,399 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,399 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,399 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,399 WARN L317 ript$VariableManager]: TermVariabe |Thread3_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,399 WARN L317 ript$VariableManager]: TermVariabe |Thread3_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,399 WARN L317 ript$VariableManager]: TermVariabe Thread3_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,400 WARN L317 ript$VariableManager]: TermVariabe Thread3_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,400 WARN L317 ript$VariableManager]: TermVariabe |Thread3_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,400 WARN L317 ript$VariableManager]: TermVariabe |Thread3_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,400 WARN L317 ript$VariableManager]: TermVariabe |Thread4_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,400 WARN L317 ript$VariableManager]: TermVariabe |Thread4_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,400 WARN L317 ript$VariableManager]: TermVariabe Thread4_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,400 WARN L317 ript$VariableManager]: TermVariabe Thread4_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,401 WARN L317 ript$VariableManager]: TermVariabe |Thread4_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,401 WARN L317 ript$VariableManager]: TermVariabe |Thread4_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,401 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,401 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,401 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,401 WARN L317 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,402 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,402 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,402 WARN L317 ript$VariableManager]: TermVariabe |Thread2_thread3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,402 WARN L317 ript$VariableManager]: TermVariabe |Thread2_thread3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,402 WARN L317 ript$VariableManager]: TermVariabe Thread2_thread3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,402 WARN L317 ript$VariableManager]: TermVariabe Thread2_thread3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,403 WARN L317 ript$VariableManager]: TermVariabe |Thread2_thread3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,403 WARN L317 ript$VariableManager]: TermVariabe |Thread2_thread3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:05:55,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:05:55 BasicIcfg [2018-11-18 10:05:55,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:05:55,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:05:55,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:05:55,635 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:05:55,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:05:54" (1/3) ... [2018-11-18 10:05:55,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e8cb49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:05:55, skipping insertion in model container [2018-11-18 10:05:55,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:54" (2/3) ... [2018-11-18 10:05:55,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e8cb49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:05:55, skipping insertion in model container [2018-11-18 10:05:55,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:05:55" (3/3) ... [2018-11-18 10:05:55,639 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_false-unreach-call.i_BEv2 [2018-11-18 10:05:55,647 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:05:55,654 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-11-18 10:05:55,667 INFO L257 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2018-11-18 10:05:55,686 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:05:55,687 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:05:55,687 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:05:55,687 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:05:55,687 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:05:55,687 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:05:55,687 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:05:55,688 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:05:55,688 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:05:55,700 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) 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:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2018-11-18 10:05:55,702 INFO L168 Benchmark]: Toolchain (without parser) took 1472.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -92.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:55,704 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:05:55,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 96.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:55,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:55,705 INFO L168 Benchmark]: Boogie Preprocessor took 28.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:05:55,706 INFO L168 Benchmark]: RCFGBuilder took 629.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:55,706 INFO L168 Benchmark]: TraceAbstraction took 69.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:55,709 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 711.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 96.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 629.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 69.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...