./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/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 219d6b9593945d8bc2315cfe0cf7d7af877793ba .............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/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 219d6b9593945d8bc2315cfe0cf7d7af877793ba ................................................................................................................................................................................................................................................ 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 0.1.24-cad4683 [2019-11-15 22:04:50,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:04:50,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:04:50,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:04:50,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:04:50,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:04:50,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:04:50,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:04:50,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:04:50,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:04:50,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:04:50,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:04:50,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:04:50,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:04:50,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:04:50,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:04:50,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:04:50,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:04:50,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:04:50,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:04:50,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:04:50,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:04:50,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:04:50,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:04:50,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:04:50,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:04:50,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:04:50,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:04:50,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:04:50,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:04:50,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:04:50,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:04:50,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:04:50,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:04:50,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:04:50,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:04:50,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:04:50,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:04:50,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:04:50,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:04:50,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:04:50,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:04:50,788 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:04:50,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:04:50,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:04:50,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:04:50,802 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:04:50,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:04:50,802 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:04:50,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:04:50,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:04:50,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:04:50,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:04:50,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:04:50,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:04:50,804 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:04:50,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:04:50,805 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:04:50,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:04:50,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:04:50,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:04:50,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:04:50,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:04:50,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:04:50,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:04:50,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:04:50,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:04:50,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:04:50,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:04:50,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:04:50,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/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 -> 219d6b9593945d8bc2315cfe0cf7d7af877793ba [2019-11-15 22:04:50,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:04:50,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:04:50,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:04:50,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:04:50,866 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:04:50,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-11-15 22:04:50,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/data/8865fa671/03c1a4af8b864c499ffca8a6d4f1e518/FLAGe831a6ec0 [2019-11-15 22:04:51,337 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:04:51,338 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-11-15 22:04:51,361 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/data/8865fa671/03c1a4af8b864c499ffca8a6d4f1e518/FLAGe831a6ec0 [2019-11-15 22:04:51,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/data/8865fa671/03c1a4af8b864c499ffca8a6d4f1e518 [2019-11-15 22:04:51,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:04:51,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:04:51,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:04:51,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:04:51,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:04:51,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:04:51" (1/1) ... [2019-11-15 22:04:51,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58cec78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:51, skipping insertion in model container [2019-11-15 22:04:51,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:04:51" (1/1) ... [2019-11-15 22:04:51,675 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:04:51,713 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:04:52,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:04:52,098 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:04:52,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:04:52,229 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:04:52,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:52 WrapperNode [2019-11-15 22:04:52,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:04:52,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:04:52,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:04:52,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:04:52,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:52" (1/1) ... [2019-11-15 22:04:52,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:52" (1/1) ... [2019-11-15 22:04:52,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:04:52,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:04:52,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:04:52,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:04:52,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:52" (1/1) ... [2019-11-15 22:04:52,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:52" (1/1) ... [2019-11-15 22:04:52,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:52" (1/1) ... [2019-11-15 22:04:52,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:52" (1/1) ... [2019-11-15 22:04:52,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:52" (1/1) ... [2019-11-15 22:04:52,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:52" (1/1) ... [2019-11-15 22:04:52,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:52" (1/1) ... [2019-11-15 22:04:52,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:04:52,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:04:52,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:04:52,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:04:52,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/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 [2019-11-15 22:04:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:04:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-15 22:04:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-15 22:04:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:04:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:04:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:04:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:04:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:04:52,376 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 22:04:52,518 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-11-15 22:04:52,617 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-11-15 22:04:52,724 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:04:52,724 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-15 22:04:52,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:04:52 BoogieIcfgContainer [2019-11-15 22:04:52,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:04:52,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:04:52,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:04:52,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:04:52,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:04:51" (1/3) ... [2019-11-15 22:04:52,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59eb7ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:04:52, skipping insertion in model container [2019-11-15 22:04:52,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:52" (2/3) ... [2019-11-15 22:04:52,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59eb7ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:04:52, skipping insertion in model container [2019-11-15 22:04:52,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:04:52" (3/3) ... [2019-11-15 22:04:52,732 INFO L109 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs.i [2019-11-15 22:04:52,762 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,763 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,763 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,763 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,763 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,764 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,764 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,764 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,764 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,765 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,765 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,765 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,765 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,765 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,766 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,766 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,766 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,766 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,767 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,767 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,767 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,767 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,768 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,768 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,768 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,768 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,769 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:52,773 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 22:04:52,773 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:04:52,780 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-15 22:04:52,790 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-15 22:04:52,808 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:04:52,808 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:04:52,809 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:04:52,809 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:04:52,809 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:04:52,809 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:04:52,809 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:04:52,809 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:04:52,819 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 68 places, 80 transitions [2019-11-15 22:04:52,832 FATAL L? ?]: 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:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-11-15 22:04:52,837 INFO L168 Benchmark]: Toolchain (without parser) took 1176.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 939.4 MB in the beginning and 1.0 GB in the end (delta: -104.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:04:52,837 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:04:52,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:04:52,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.55 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:04:52,839 INFO L168 Benchmark]: Boogie Preprocessor took 26.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:04:52,840 INFO L168 Benchmark]: RCFGBuilder took 423.92 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:04:52,841 INFO L168 Benchmark]: TraceAbstraction took 108.46 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:04:52,844 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 570.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.55 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 423.92 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 108.46 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: 10.7 MB). Peak memory consumption was 10.7 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:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 22:04:55,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:04:55,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:04:55,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:04:55,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:04:55,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:04:55,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:04:55,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:04:55,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:04:55,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:04:55,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:04:55,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:04:55,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:04:55,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:04:55,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:04:55,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:04:55,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:04:55,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:04:55,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:04:55,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:04:55,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:04:55,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:04:55,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:04:55,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:04:55,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:04:55,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:04:55,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:04:55,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:04:55,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:04:55,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:04:55,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:04:55,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:04:55,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:04:55,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:04:55,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:04:55,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:04:55,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:04:55,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:04:55,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:04:55,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:04:55,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:04:55,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 22:04:55,071 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:04:55,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:04:55,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:04:55,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:04:55,073 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:04:55,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:04:55,073 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:04:55,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:04:55,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:04:55,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:04:55,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:04:55,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:04:55,074 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:04:55,074 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:04:55,075 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:04:55,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:04:55,075 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:04:55,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:04:55,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:04:55,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:04:55,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:04:55,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:04:55,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:04:55,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:04:55,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:04:55,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:04:55,077 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:04:55,077 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:04:55,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:04:55,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:04:55,078 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/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 -> 219d6b9593945d8bc2315cfe0cf7d7af877793ba [2019-11-15 22:04:55,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:04:55,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:04:55,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:04:55,127 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:04:55,128 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:04:55,129 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-11-15 22:04:55,183 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/data/cb2def40b/daaae6888f4e4eafbc349270c353ecf2/FLAGbd4ddd971 [2019-11-15 22:04:55,677 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:04:55,677 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-11-15 22:04:55,698 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/data/cb2def40b/daaae6888f4e4eafbc349270c353ecf2/FLAGbd4ddd971 [2019-11-15 22:04:56,004 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/uautomizer/data/cb2def40b/daaae6888f4e4eafbc349270c353ecf2 [2019-11-15 22:04:56,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:04:56,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:04:56,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:04:56,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:04:56,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:04:56,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:04:56" (1/1) ... [2019-11-15 22:04:56,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458b9e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:56, skipping insertion in model container [2019-11-15 22:04:56,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:04:56" (1/1) ... [2019-11-15 22:04:56,027 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:04:56,084 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:04:56,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:04:56,516 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:04:56,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:04:56,632 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:04:56,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:56 WrapperNode [2019-11-15 22:04:56,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:04:56,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:04:56,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:04:56,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:04:56,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:56" (1/1) ... [2019-11-15 22:04:56,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:56" (1/1) ... [2019-11-15 22:04:56,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:04:56,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:04:56,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:04:56,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:04:56,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:56" (1/1) ... [2019-11-15 22:04:56,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:56" (1/1) ... [2019-11-15 22:04:56,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:56" (1/1) ... [2019-11-15 22:04:56,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:56" (1/1) ... [2019-11-15 22:04:56,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:56" (1/1) ... [2019-11-15 22:04:56,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:56" (1/1) ... [2019-11-15 22:04:56,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:56" (1/1) ... [2019-11-15 22:04:56,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:04:56,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:04:56,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:04:56,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:04:56,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef30b654-cc87-421b-8c37-58434851dc7b/bin/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 [2019-11-15 22:04:56,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 22:04:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-15 22:04:56,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-15 22:04:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:04:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:04:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 22:04:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:04:56,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:04:56,793 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 22:04:56,923 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-11-15 22:04:57,019 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-11-15 22:04:57,149 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:04:57,149 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-15 22:04:57,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:04:57 BoogieIcfgContainer [2019-11-15 22:04:57,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:04:57,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:04:57,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:04:57,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:04:57,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:04:56" (1/3) ... [2019-11-15 22:04:57,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff9f2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:04:57, skipping insertion in model container [2019-11-15 22:04:57,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:04:56" (2/3) ... [2019-11-15 22:04:57,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff9f2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:04:57, skipping insertion in model container [2019-11-15 22:04:57,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:04:57" (3/3) ... [2019-11-15 22:04:57,159 INFO L109 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs.i [2019-11-15 22:04:57,189 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,189 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,189 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,189 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,190 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,190 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,190 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,191 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,191 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,191 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,191 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,192 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,192 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,192 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,193 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,193 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,193 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,193 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,194 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,194 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,194 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,195 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,195 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,195 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,196 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,196 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,196 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:04:57,201 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 22:04:57,201 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:04:57,209 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-15 22:04:57,219 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-15 22:04:57,235 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:04:57,236 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:04:57,236 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:04:57,236 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:04:57,236 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:04:57,237 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:04:57,237 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:04:57,237 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:04:57,247 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67 places, 79 transitions [2019-11-15 22:04:57,261 FATAL L? ?]: 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:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-11-15 22:04:57,266 INFO L168 Benchmark]: Toolchain (without parser) took 1255.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:04:57,267 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:04:57,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:04:57,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.20 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:04:57,269 INFO L168 Benchmark]: Boogie Preprocessor took 36.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:04:57,269 INFO L168 Benchmark]: RCFGBuilder took 429.45 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:04:57,270 INFO L168 Benchmark]: TraceAbstraction took 112.40 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:04:57,273 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 620.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -182.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.20 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.41 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 429.45 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 112.40 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: 6.5 MB). Peak memory consumption was 6.5 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:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...