./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/qw2004-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45e6dcd403d8f6074b656895ba04bd6e3a0aa355 ................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45e6dcd403d8f6074b656895ba04bd6e3a0aa355 ............................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: already ended atomic mode --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:27:57,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:27:57,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:27:57,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:27:57,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:27:57,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:27:57,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:27:57,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:27:57,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:27:57,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:27:57,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:27:57,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:27:57,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:27:57,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:27:57,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:27:57,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:27:57,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:27:57,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:27:57,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:27:57,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:27:57,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:27:57,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:27:57,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:27:57,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:27:57,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:27:57,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:27:57,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:27:57,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:27:57,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:27:57,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:27:57,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:27:57,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:27:57,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:27:57,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:27:57,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:27:57,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:27:57,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:27:57,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:27:57,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:27:57,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:27:57,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:27:57,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:27:57,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:27:57,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:27:57,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:27:57,372 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:27:57,372 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:27:57,372 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:27:57,372 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:27:57,373 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:27:57,373 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:27:57,373 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:27:57,373 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:27:57,373 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:27:57,373 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:27:57,374 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:27:57,374 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:27:57,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:27:57,374 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:27:57,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:27:57,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:27:57,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:27:57,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:27:57,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:27:57,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:27:57,376 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:27:57,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:27:57,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:27:57,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:27:57,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:27:57,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:27:57,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:27:57,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:27:57,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:27:57,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:27:57,387 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:27:57,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:27:57,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:27:57,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:27:57,388 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45e6dcd403d8f6074b656895ba04bd6e3a0aa355 [2019-11-26 02:27:57,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:27:57,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:27:57,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:27:57,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:27:57,559 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:27:57,559 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/../../sv-benchmarks/c/pthread-lit/qw2004-1.i [2019-11-26 02:27:57,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/data/7a114b49f/f8fec0bb70b54990ae0173b50ae4e41e/FLAG8c9984ad8 [2019-11-26 02:27:58,100 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:27:58,100 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/sv-benchmarks/c/pthread-lit/qw2004-1.i [2019-11-26 02:27:58,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/data/7a114b49f/f8fec0bb70b54990ae0173b50ae4e41e/FLAG8c9984ad8 [2019-11-26 02:27:58,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/data/7a114b49f/f8fec0bb70b54990ae0173b50ae4e41e [2019-11-26 02:27:58,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:27:58,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:27:58,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:27:58,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:27:58,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:27:58,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:27:58" (1/1) ... [2019-11-26 02:27:58,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de307c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:58, skipping insertion in model container [2019-11-26 02:27:58,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:27:58" (1/1) ... [2019-11-26 02:27:58,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:27:58,471 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:27:58,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:27:58,877 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:27:58,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:27:59,009 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:27:59,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:59 WrapperNode [2019-11-26 02:27:59,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:27:59,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:27:59,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:27:59,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:27:59,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:59" (1/1) ... [2019-11-26 02:27:59,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:59" (1/1) ... [2019-11-26 02:27:59,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:27:59,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:27:59,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:27:59,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:27:59,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:59" (1/1) ... [2019-11-26 02:27:59,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:59" (1/1) ... [2019-11-26 02:27:59,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:59" (1/1) ... [2019-11-26 02:27:59,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:59" (1/1) ... [2019-11-26 02:27:59,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:59" (1/1) ... [2019-11-26 02:27:59,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:59" (1/1) ... [2019-11-26 02:27:59,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:59" (1/1) ... [2019-11-26 02:27:59,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:27:59,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:27:59,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:27:59,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:27:59,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:27:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:27:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2019-11-26 02:27:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2019-11-26 02:27:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:27:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-26 02:27:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:27:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:27:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-26 02:27:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:27:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:27:59,207 WARN L202 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-26 02:27:59,398 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: already ended atomic mode at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1255) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:791) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:618) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:567) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2019-11-26 02:27:59,403 INFO L168 Benchmark]: Toolchain (without parser) took 1000.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:59,403 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:27:59,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:59,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.50 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:59,405 INFO L168 Benchmark]: Boogie Preprocessor took 42.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:27:59,406 INFO L168 Benchmark]: RCFGBuilder took 269.42 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:27:59,409 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 607.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 269.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1255) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:28:01,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:28:01,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:28:01,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:28:01,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:28:01,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:28:01,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:28:01,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:28:01,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:28:01,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:28:01,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:28:01,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:28:01,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:28:01,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:28:01,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:28:01,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:28:01,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:28:01,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:28:01,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:28:01,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:28:01,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:28:01,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:28:01,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:28:01,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:28:01,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:28:01,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:28:01,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:28:01,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:28:01,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:28:01,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:28:01,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:28:01,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:28:01,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:28:01,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:28:01,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:28:01,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:28:01,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:28:01,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:28:01,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:28:01,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:28:01,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:28:01,248 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:28:01,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:28:01,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:28:01,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:28:01,264 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:28:01,264 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:28:01,264 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:28:01,264 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:28:01,265 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:28:01,265 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:28:01,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:28:01,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:28:01,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:28:01,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:28:01,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:28:01,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:28:01,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:28:01,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:28:01,268 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:28:01,268 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:28:01,268 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:28:01,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:28:01,269 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:28:01,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:28:01,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:28:01,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:28:01,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:28:01,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:28:01,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:28:01,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:28:01,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:28:01,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:28:01,272 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:28:01,272 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:28:01,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:28:01,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:28:01,273 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45e6dcd403d8f6074b656895ba04bd6e3a0aa355 [2019-11-26 02:28:01,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:28:01,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:28:01,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:28:01,583 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:28:01,584 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:28:01,584 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/../../sv-benchmarks/c/pthread-lit/qw2004-1.i [2019-11-26 02:28:01,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/data/a9e6d0ea3/ad33980f89fe4b1c95c3f704f633dc72/FLAG64cbb9278 [2019-11-26 02:28:02,095 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:28:02,095 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/sv-benchmarks/c/pthread-lit/qw2004-1.i [2019-11-26 02:28:02,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/data/a9e6d0ea3/ad33980f89fe4b1c95c3f704f633dc72/FLAG64cbb9278 [2019-11-26 02:28:02,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/data/a9e6d0ea3/ad33980f89fe4b1c95c3f704f633dc72 [2019-11-26 02:28:02,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:28:02,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:28:02,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:28:02,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:28:02,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:28:02,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:28:02" (1/1) ... [2019-11-26 02:28:02,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334af27b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:02, skipping insertion in model container [2019-11-26 02:28:02,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:28:02" (1/1) ... [2019-11-26 02:28:02,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:28:02,177 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:28:02,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:28:02,624 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:28:02,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:28:02,757 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:28:02,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:02 WrapperNode [2019-11-26 02:28:02,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:28:02,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:28:02,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:28:02,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:28:02,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:02" (1/1) ... [2019-11-26 02:28:02,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:02" (1/1) ... [2019-11-26 02:28:02,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:28:02,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:28:02,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:28:02,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:28:02,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:02" (1/1) ... [2019-11-26 02:28:02,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:02" (1/1) ... [2019-11-26 02:28:02,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:02" (1/1) ... [2019-11-26 02:28:02,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:02" (1/1) ... [2019-11-26 02:28:02,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:02" (1/1) ... [2019-11-26 02:28:02,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:02" (1/1) ... [2019-11-26 02:28:02,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:02" (1/1) ... [2019-11-26 02:28:02,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:28:02,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:28:02,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:28:02,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:28:02,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:28:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a817408-5014-4d38-a8d3-df4973c8b42f/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:28:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2019-11-26 02:28:02,911 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2019-11-26 02:28:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-26 02:28:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:28:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:28:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 02:28:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-26 02:28:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:28:02,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:28:02,914 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-26 02:28:03,171 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: already ended atomic mode at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1255) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:791) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:618) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:567) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2019-11-26 02:28:03,189 INFO L168 Benchmark]: Toolchain (without parser) took 1062.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:28:03,189 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:28:03,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 949.7 MB in the beginning and 1.2 GB in the end (delta: -202.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:28:03,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:28:03,191 INFO L168 Benchmark]: Boogie Preprocessor took 54.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:28:03,192 INFO L168 Benchmark]: RCFGBuilder took 322.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:28:03,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 631.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 949.7 MB in the beginning and 1.2 GB in the end (delta: -202.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 322.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1255) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...