./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 .................................................................................................................................................................................................................................................. 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_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 .................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:31:15,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:31:15,821 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:31:15,827 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:31:15,827 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:31:15,828 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:31:15,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:31:15,830 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:31:15,831 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:31:15,832 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:31:15,833 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:31:15,833 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:31:15,833 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:31:15,834 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:31:15,835 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:31:15,836 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:31:15,836 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:31:15,838 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:31:15,839 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:31:15,840 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:31:15,841 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:31:15,842 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:31:15,843 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:31:15,843 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:31:15,843 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:31:15,844 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:31:15,845 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:31:15,845 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:31:15,846 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:31:15,846 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:31:15,847 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:31:15,847 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:31:15,847 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:31:15,847 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:31:15,848 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:31:15,848 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:31:15,848 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 17:31:15,856 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:31:15,856 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:31:15,857 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:31:15,857 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 17:31:15,857 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:31:15,857 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:31:15,857 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 17:31:15,857 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:31:15,858 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:31:15,858 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:31:15,858 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:31:15,858 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:31:15,858 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:31:15,858 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:31:15,858 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:31:15,859 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:31:15,859 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:31:15,859 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:31:15,859 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:31:15,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:31:15,859 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 17:31:15,860 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:31:15,860 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 17:31:15,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 17:31:15,860 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:31:15,860 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:31:15,860 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:31:15,860 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 17:31:15,861 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:31:15,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:31:15,861 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_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer 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 -> Automizer 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 -> bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 [2018-12-01 17:31:15,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:31:15,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:31:15,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:31:15,897 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:31:15,898 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:31:15,898 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-12-01 17:31:15,934 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/data/63183d1e2/e299e19da13e4d7eb39bab6701463a62/FLAG66ccd2d31 [2018-12-01 17:31:16,354 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:31:16,354 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-12-01 17:31:16,361 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/data/63183d1e2/e299e19da13e4d7eb39bab6701463a62/FLAG66ccd2d31 [2018-12-01 17:31:16,369 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/data/63183d1e2/e299e19da13e4d7eb39bab6701463a62 [2018-12-01 17:31:16,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:31:16,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:31:16,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:31:16,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:31:16,374 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:31:16,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:31:16" (1/1) ... [2018-12-01 17:31:16,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4329b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:16, skipping insertion in model container [2018-12-01 17:31:16,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:31:16" (1/1) ... [2018-12-01 17:31:16,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:31:16,399 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:31:16,550 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:31:16,557 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:31:16,619 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:31:16,649 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:31:16,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:16 WrapperNode [2018-12-01 17:31:16,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:31:16,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:31:16,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:31:16,650 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:31:16,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:16" (1/1) ... [2018-12-01 17:31:16,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:16" (1/1) ... [2018-12-01 17:31:16,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:31:16,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:31:16,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:31:16,678 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:31:16,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:16" (1/1) ... [2018-12-01 17:31:16,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:16" (1/1) ... [2018-12-01 17:31:16,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:16" (1/1) ... [2018-12-01 17:31:16,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:16" (1/1) ... [2018-12-01 17:31:16,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:16" (1/1) ... [2018-12-01 17:31:16,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:16" (1/1) ... [2018-12-01 17:31:16,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:16" (1/1) ... [2018-12-01 17:31:16,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:31:16,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:31:16,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:31:16,696 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:31:16,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 17:31:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 17:31:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 17:31:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-01 17:31:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-01 17:31:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 17:31:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 17:31:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:31:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:31:16,743 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-01 17:31:16,811 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-01 17:31:16,852 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-01 17:31:16,911 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:31:16,911 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-01 17:31:16,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:31:16 BoogieIcfgContainer [2018-12-01 17:31:16,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:31:16,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 17:31:16,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 17:31:16,914 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 17:31:16,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 05:31:16" (1/3) ... [2018-12-01 17:31:16,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a39a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:31:16, skipping insertion in model container [2018-12-01 17:31:16,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:16" (2/3) ... [2018-12-01 17:31:16,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a39a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:31:16, skipping insertion in model container [2018-12-01 17:31:16,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:31:16" (3/3) ... [2018-12-01 17:31:16,916 INFO L112 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-12-01 17:31:16,938 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,938 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,938 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,939 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,939 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,939 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,939 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,939 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,940 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,940 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,940 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,940 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,940 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,940 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,941 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,941 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,941 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,941 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,942 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,942 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,942 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,942 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,942 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,942 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,943 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,943 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,943 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:16,947 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-01 17:31:16,947 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 17:31:16,952 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-01 17:31:16,961 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-01 17:31:16,974 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 17:31:16,975 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 17:31:16,975 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 17:31:16,975 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 17:31:16,975 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 17:31:16,975 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 17:31:16,975 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 17:31:16,975 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 17:31:16,975 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 17:31:16,982 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64places, 70 transitions [2018-12-01 17:31:16,991 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) 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:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-01 17:31:16,993 INFO L168 Benchmark]: Toolchain (without parser) took 621.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -95.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:31:16,994 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:31:16,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-12-01 17:31:16,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.32 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:31:16,995 INFO L168 Benchmark]: Boogie Preprocessor took 17.66 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:31:16,995 INFO L168 Benchmark]: RCFGBuilder took 216.05 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-12-01 17:31:16,996 INFO L168 Benchmark]: TraceAbstraction took 80.34 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:31:16,998 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.32 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.66 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 216.05 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 80.34 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:31:18,282 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:31:18,283 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:31:18,289 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:31:18,289 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:31:18,290 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:31:18,290 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:31:18,291 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:31:18,292 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:31:18,292 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:31:18,293 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:31:18,293 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:31:18,293 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:31:18,294 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:31:18,294 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:31:18,294 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:31:18,295 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:31:18,296 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:31:18,297 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:31:18,297 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:31:18,298 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:31:18,298 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:31:18,300 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:31:18,300 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:31:18,300 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:31:18,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:31:18,301 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:31:18,301 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:31:18,302 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:31:18,302 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:31:18,302 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:31:18,303 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:31:18,303 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:31:18,303 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:31:18,303 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:31:18,304 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:31:18,304 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-01 17:31:18,311 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:31:18,311 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:31:18,312 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:31:18,312 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 17:31:18,312 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:31:18,312 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:31:18,312 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 17:31:18,312 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:31:18,313 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:31:18,313 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:31:18,313 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:31:18,313 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:31:18,313 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:31:18,313 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:31:18,313 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 17:31:18,313 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 17:31:18,313 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:31:18,313 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:31:18,313 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:31:18,313 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:31:18,314 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:31:18,314 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 17:31:18,314 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:31:18,314 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 17:31:18,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 17:31:18,314 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:31:18,314 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:31:18,314 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:31:18,314 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 17:31:18,314 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:31:18,315 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 17:31:18,315 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 17:31:18,315 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_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer 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 -> Automizer 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 -> bf24cd7b916b23b6d1ee7fcafd0e5b379d458909 [2018-12-01 17:31:18,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:31:18,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:31:18,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:31:18,346 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:31:18,347 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:31:18,347 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-12-01 17:31:18,385 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/data/1dbe63fb1/c2034385bdfa4cb4ad0e4fa7e32f2ad6/FLAG2f93c9fcb [2018-12-01 17:31:18,821 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:31:18,822 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-12-01 17:31:18,828 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/data/1dbe63fb1/c2034385bdfa4cb4ad0e4fa7e32f2ad6/FLAG2f93c9fcb [2018-12-01 17:31:18,837 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/data/1dbe63fb1/c2034385bdfa4cb4ad0e4fa7e32f2ad6 [2018-12-01 17:31:18,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:31:18,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:31:18,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:31:18,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:31:18,843 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:31:18,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:31:18" (1/1) ... [2018-12-01 17:31:18,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb0e1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:18, skipping insertion in model container [2018-12-01 17:31:18,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:31:18" (1/1) ... [2018-12-01 17:31:18,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:31:18,875 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:31:19,045 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:31:19,053 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:31:19,079 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:31:19,147 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:31:19,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:19 WrapperNode [2018-12-01 17:31:19,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:31:19,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:31:19,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:31:19,148 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:31:19,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:19" (1/1) ... [2018-12-01 17:31:19,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:19" (1/1) ... [2018-12-01 17:31:19,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:31:19,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:31:19,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:31:19,182 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:31:19,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:19" (1/1) ... [2018-12-01 17:31:19,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:19" (1/1) ... [2018-12-01 17:31:19,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:19" (1/1) ... [2018-12-01 17:31:19,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:19" (1/1) ... [2018-12-01 17:31:19,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:19" (1/1) ... [2018-12-01 17:31:19,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:19" (1/1) ... [2018-12-01 17:31:19,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:19" (1/1) ... [2018-12-01 17:31:19,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:31:19,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:31:19,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:31:19,199 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:31:19,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30d160ff-39c9-47be-8316-bed7ea0f779b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 17:31:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 17:31:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 17:31:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-01 17:31:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-01 17:31:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 17:31:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 17:31:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:31:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:31:19,230 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-01 17:31:19,297 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-01 17:31:19,349 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-12-01 17:31:19,397 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:31:19,397 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-01 17:31:19,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:31:19 BoogieIcfgContainer [2018-12-01 17:31:19,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:31:19,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 17:31:19,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 17:31:19,400 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 17:31:19,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 05:31:18" (1/3) ... [2018-12-01 17:31:19,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6fd83e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:31:19, skipping insertion in model container [2018-12-01 17:31:19,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:19" (2/3) ... [2018-12-01 17:31:19,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6fd83e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:31:19, skipping insertion in model container [2018-12-01 17:31:19,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:31:19" (3/3) ... [2018-12-01 17:31:19,402 INFO L112 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs_true-unreach-call.i [2018-12-01 17:31:19,421 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,421 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,421 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,421 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,421 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,421 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,422 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,422 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,422 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,422 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,422 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,422 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,422 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,422 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,422 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,423 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,423 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,423 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,423 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,423 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,423 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,423 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,423 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,424 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,424 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,424 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,424 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 17:31:19,427 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-01 17:31:19,427 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 17:31:19,431 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-01 17:31:19,440 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-01 17:31:19,453 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 17:31:19,454 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 17:31:19,454 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 17:31:19,454 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 17:31:19,454 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 17:31:19,454 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 17:31:19,454 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 17:31:19,454 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 17:31:19,454 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 17:31:19,459 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63places, 69 transitions [2018-12-01 17:31:19,467 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) 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:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-01 17:31:19,468 INFO L168 Benchmark]: Toolchain (without parser) took 628.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:31:19,469 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:31:19,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -203.5 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. [2018-12-01 17:31:19,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.50 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:31:19,470 INFO L168 Benchmark]: Boogie Preprocessor took 16.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:31:19,471 INFO L168 Benchmark]: RCFGBuilder took 199.00 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-01 17:31:19,471 INFO L168 Benchmark]: TraceAbstraction took 70.20 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:31:19,473 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 307.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -203.5 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.50 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.62 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 199.00 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 70.20 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...