./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/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 e4844c64ae7d01bd77f480febddce6547020bcda ....................................................................................................................................................................................................................................................... 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_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/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 e4844c64ae7d01bd77f480febddce6547020bcda ........................................................................................................................................................................................................................................................ 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 0.1.23-0cd3be1 [2018-11-28 13:02:07,140 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:02:07,142 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:02:07,149 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:02:07,149 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:02:07,150 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:02:07,151 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:02:07,152 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:02:07,154 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:02:07,154 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:02:07,155 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:02:07,155 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:02:07,156 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:02:07,157 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:02:07,158 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:02:07,158 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:02:07,159 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:02:07,160 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:02:07,162 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:02:07,163 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:02:07,164 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:02:07,165 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:02:07,167 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:02:07,167 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:02:07,167 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:02:07,168 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:02:07,169 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:02:07,169 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:02:07,170 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:02:07,171 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:02:07,171 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:02:07,171 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:02:07,172 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:02:07,172 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:02:07,172 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:02:07,173 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:02:07,173 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:02:07,184 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:02:07,184 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:02:07,185 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:02:07,185 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:02:07,186 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:02:07,186 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:02:07,186 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:02:07,186 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:02:07,187 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:02:07,187 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:02:07,187 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:02:07,187 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:02:07,187 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:02:07,187 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:02:07,187 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:02:07,188 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:02:07,188 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:02:07,188 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:02:07,188 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:02:07,188 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:02:07,188 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:02:07,189 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:02:07,189 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:02:07,189 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:02:07,189 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:02:07,189 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:02:07,189 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:02:07,189 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:02:07,190 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:02:07,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:02:07,190 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_ff174183-d622-4135-bb2c-d3d8832cf39e/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 -> e4844c64ae7d01bd77f480febddce6547020bcda [2018-11-28 13:02:07,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:02:07,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:02:07,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:02:07,230 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:02:07,231 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:02:07,231 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-11-28 13:02:07,275 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/data/d92ae7fd2/1020ae86757649ba9c90a1d51047c163/FLAG415be196e [2018-11-28 13:02:07,673 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:02:07,674 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-11-28 13:02:07,682 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/data/d92ae7fd2/1020ae86757649ba9c90a1d51047c163/FLAG415be196e [2018-11-28 13:02:08,051 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/data/d92ae7fd2/1020ae86757649ba9c90a1d51047c163 [2018-11-28 13:02:08,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:02:08,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:02:08,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:02:08,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:02:08,058 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:02:08,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:08" (1/1) ... [2018-11-28 13:02:08,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08, skipping insertion in model container [2018-11-28 13:02:08,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:08" (1/1) ... [2018-11-28 13:02:08,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:02:08,092 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:02:08,308 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:02:08,319 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:02:08,418 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:02:08,454 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:02:08,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08 WrapperNode [2018-11-28 13:02:08,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:02:08,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:02:08,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:02:08,456 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:02:08,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2018-11-28 13:02:08,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2018-11-28 13:02:08,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:02:08,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:02:08,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:02:08,491 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:02:08,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2018-11-28 13:02:08,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2018-11-28 13:02:08,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2018-11-28 13:02:08,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2018-11-28 13:02:08,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2018-11-28 13:02:08,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2018-11-28 13:02:08,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2018-11-28 13:02:08,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:02:08,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:02:08,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:02:08,510 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:02:08,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/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 [2018-11-28 13:02:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:02:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:02:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 13:02:08,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 13:02:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:02:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:02:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:02:08,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:02:08,547 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 13:02:08,629 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-28 13:02:08,694 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-28 13:02:08,768 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:02:08,768 INFO L280 CfgBuilder]: Removed 11 assue(true) statements. [2018-11-28 13:02:08,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:02:08 BoogieIcfgContainer [2018-11-28 13:02:08,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:02:08,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:02:08,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:02:08,771 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:02:08,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:02:08" (1/3) ... [2018-11-28 13:02:08,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4fcb84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:02:08, skipping insertion in model container [2018-11-28 13:02:08,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (2/3) ... [2018-11-28 13:02:08,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4fcb84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:02:08, skipping insertion in model container [2018-11-28 13:02:08,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:02:08" (3/3) ... [2018-11-28 13:02:08,773 INFO L112 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-11-28 13:02:08,792 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,793 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,793 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,793 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,793 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,793 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,793 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,794 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,794 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,794 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,794 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,794 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,794 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,794 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,795 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,795 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,795 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,795 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,795 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,798 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,799 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:08,807 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 13:02:08,808 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:02:08,813 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-28 13:02:08,823 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-28 13:02:08,839 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:02:08,840 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:02:08,840 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:02:08,840 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:02:08,840 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:02:08,840 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:02:08,840 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:02:08,840 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:02:08,841 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:02:08,848 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 68places, 80 transitions [2018-11-28 13:02:08,858 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) [2018-11-28 13:02:08,860 INFO L168 Benchmark]: Toolchain (without parser) took 806.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -132.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:08,862 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:02:08,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:08,863 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:02:08,863 INFO L168 Benchmark]: Boogie Preprocessor took 18.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:02:08,864 INFO L168 Benchmark]: RCFGBuilder took 258.58 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:08,864 INFO L168 Benchmark]: TraceAbstraction took 90.96 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:08,867 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 400.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.47 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. * Boogie Preprocessor took 18.40 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 258.58 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 90.96 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: 13.9 MB). Peak memory consumption was 13.9 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 0.1.23-0cd3be1 [2018-11-28 13:02:10,368 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:02:10,369 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:02:10,377 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:02:10,377 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:02:10,378 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:02:10,379 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:02:10,380 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:02:10,381 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:02:10,382 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:02:10,383 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:02:10,383 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:02:10,383 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:02:10,385 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:02:10,386 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:02:10,386 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:02:10,387 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:02:10,389 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:02:10,390 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:02:10,391 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:02:10,392 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:02:10,393 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:02:10,395 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:02:10,395 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:02:10,395 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:02:10,397 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:02:10,397 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:02:10,398 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:02:10,399 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:02:10,399 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:02:10,399 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:02:10,401 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:02:10,401 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:02:10,401 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:02:10,402 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:02:10,402 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:02:10,402 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 13:02:10,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:02:10,414 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:02:10,415 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:02:10,415 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:02:10,415 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:02:10,416 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:02:10,416 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:02:10,416 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:02:10,417 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:02:10,417 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:02:10,417 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:02:10,417 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:02:10,417 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:02:10,417 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:02:10,417 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 13:02:10,417 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 13:02:10,417 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:02:10,417 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:02:10,418 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:02:10,418 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:02:10,418 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:02:10,418 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:02:10,418 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:02:10,418 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:02:10,418 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:02:10,419 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:02:10,419 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:02:10,419 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:02:10,419 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 13:02:10,419 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:02:10,419 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 13:02:10,419 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 13:02:10,419 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_ff174183-d622-4135-bb2c-d3d8832cf39e/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 -> e4844c64ae7d01bd77f480febddce6547020bcda [2018-11-28 13:02:10,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:02:10,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:02:10,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:02:10,462 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:02:10,463 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:02:10,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-11-28 13:02:10,515 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/data/1782b2fe0/60ac732bc6454788a0814fc7dba0992b/FLAG10d695541 [2018-11-28 13:02:10,903 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:02:10,904 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-11-28 13:02:10,914 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/data/1782b2fe0/60ac732bc6454788a0814fc7dba0992b/FLAG10d695541 [2018-11-28 13:02:10,926 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/bin-2019/uautomizer/data/1782b2fe0/60ac732bc6454788a0814fc7dba0992b [2018-11-28 13:02:10,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:02:10,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:02:10,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:02:10,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:02:10,933 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:02:10,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:10" (1/1) ... [2018-11-28 13:02:10,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f8c0daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:10, skipping insertion in model container [2018-11-28 13:02:10,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:10" (1/1) ... [2018-11-28 13:02:10,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:02:10,972 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:02:11,199 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:02:11,213 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:02:11,305 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:02:11,354 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:02:11,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:11 WrapperNode [2018-11-28 13:02:11,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:02:11,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:02:11,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:02:11,355 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:02:11,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:11" (1/1) ... [2018-11-28 13:02:11,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:11" (1/1) ... [2018-11-28 13:02:11,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:02:11,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:02:11,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:02:11,390 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:02:11,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:11" (1/1) ... [2018-11-28 13:02:11,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:11" (1/1) ... [2018-11-28 13:02:11,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:11" (1/1) ... [2018-11-28 13:02:11,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:11" (1/1) ... [2018-11-28 13:02:11,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:11" (1/1) ... [2018-11-28 13:02:11,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:11" (1/1) ... [2018-11-28 13:02:11,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:11" (1/1) ... [2018-11-28 13:02:11,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:02:11,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:02:11,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:02:11,410 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:02:11,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff174183-d622-4135-bb2c-d3d8832cf39e/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 [2018-11-28 13:02:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:02:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 13:02:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 13:02:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 13:02:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:02:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 13:02:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:02:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:02:11,447 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 13:02:11,541 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-28 13:02:11,617 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2018-11-28 13:02:11,709 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:02:11,709 INFO L280 CfgBuilder]: Removed 11 assue(true) statements. [2018-11-28 13:02:11,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:02:11 BoogieIcfgContainer [2018-11-28 13:02:11,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:02:11,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:02:11,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:02:11,713 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:02:11,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:02:10" (1/3) ... [2018-11-28 13:02:11,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f3c9bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:02:11, skipping insertion in model container [2018-11-28 13:02:11,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:11" (2/3) ... [2018-11-28 13:02:11,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f3c9bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:02:11, skipping insertion in model container [2018-11-28 13:02:11,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:02:11" (3/3) ... [2018-11-28 13:02:11,715 INFO L112 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs_true-unreach-call.i [2018-11-28 13:02:11,738 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,738 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,738 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,738 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,739 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,739 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,739 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,739 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,739 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,739 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,740 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,740 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,740 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,740 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,740 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,740 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,741 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,741 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,741 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,741 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,741 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,742 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,742 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,742 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,742 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,742 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,742 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:02:11,749 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 13:02:11,749 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:02:11,755 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-28 13:02:11,764 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-28 13:02:11,779 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:02:11,780 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:02:11,780 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:02:11,780 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:02:11,780 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:02:11,780 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:02:11,780 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:02:11,780 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:02:11,781 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:02:11,786 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67places, 79 transitions [2018-11-28 13:02:11,797 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) [2018-11-28 13:02:11,800 INFO L168 Benchmark]: Toolchain (without parser) took 871.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:11,801 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-28 13:02:11,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -200.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:11,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:02:11,803 INFO L168 Benchmark]: Boogie Preprocessor took 19.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:02:11,803 INFO L168 Benchmark]: RCFGBuilder took 299.70 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: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:11,804 INFO L168 Benchmark]: TraceAbstraction took 88.84 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:11,807 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 424.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -200.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.89 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. * Boogie Preprocessor took 19.81 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 299.70 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: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 88.84 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: 13.6 MB). Peak memory consumption was 13.6 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...