./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_46a-escape_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_46a-escape_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 33eb4dcd0a621d6c4bb6626c0e74463917de75952c777f271b8d23f0dedf14cb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:13,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:13,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:35:13,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:13,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:13,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:13,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:13,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:13,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:35:13,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:35:13,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:13,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:13,847 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:13,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:13,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:35:13,850 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:35:13,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:35:13,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:35:13,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:13,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:35:13,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:35:13,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:35:13,855 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:35:13,856 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:35:13,857 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:35:13,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:13,858 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:13,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:13,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:13,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:35:13,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:13,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:13,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:35:13,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:35:13,864 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:35:13,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:35:13,866 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:35:13,866 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:35:13,867 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:35:13,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:35:13,869 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:35:13,870 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33eb4dcd0a621d6c4bb6626c0e74463917de75952c777f271b8d23f0dedf14cb [2023-11-19 07:35:14,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:14,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:14,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:14,252 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:14,256 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:14,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/04-mutex_46a-escape_nr.i [2023-11-19 07:35:18,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:18,596 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:18,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/sv-benchmarks/c/goblint-regression/04-mutex_46a-escape_nr.i [2023-11-19 07:35:18,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/data/fdeda24e4/a1476972413c424eb274edefa6f16f25/FLAG7bdd6b11c [2023-11-19 07:35:18,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/data/fdeda24e4/a1476972413c424eb274edefa6f16f25 [2023-11-19 07:35:18,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:18,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:18,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:18,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:18,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:18,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:18" (1/1) ... [2023-11-19 07:35:18,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341d514d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:18, skipping insertion in model container [2023-11-19 07:35:18,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:18" (1/1) ... [2023-11-19 07:35:18,727 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:19,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:19,310 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:19,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:19,451 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:19,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19 WrapperNode [2023-11-19 07:35:19,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:19,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:19,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:19,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:19,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ... [2023-11-19 07:35:19,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ... [2023-11-19 07:35:19,509 INFO L138 Inliner]: procedures = 263, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-11-19 07:35:19,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:19,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:35:19,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:35:19,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:35:19,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ... [2023-11-19 07:35:19,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ... [2023-11-19 07:35:19,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ... [2023-11-19 07:35:19,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ... [2023-11-19 07:35:19,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ... [2023-11-19 07:35:19,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ... [2023-11-19 07:35:19,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ... [2023-11-19 07:35:19,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ... [2023-11-19 07:35:19,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:35:19,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:35:19,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:35:19,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:35:19,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (1/1) ... [2023-11-19 07:35:19,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:19,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:19,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:19,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:35:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:35:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:35:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:35:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:35:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 07:35:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:35:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 07:35:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 07:35:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:35:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:35:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:35:19,633 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:35:19,845 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:35:19,848 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:35:20,072 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:20,087 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:20,087 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:35:20,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:20 BoogieIcfgContainer [2023-11-19 07:35:20,092 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:20,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:35:20,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:35:20,099 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:35:20,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:18" (1/3) ... [2023-11-19 07:35:20,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76076365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:20, skipping insertion in model container [2023-11-19 07:35:20,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:19" (2/3) ... [2023-11-19 07:35:20,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76076365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:20, skipping insertion in model container [2023-11-19 07:35:20,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:20" (3/3) ... [2023-11-19 07:35:20,103 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_46a-escape_nr.i [2023-11-19 07:35:20,113 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:35:20,126 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:35:20,126 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-19 07:35:20,127 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:35:20,206 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-19 07:35:20,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 73 transitions, 153 flow [2023-11-19 07:35:20,340 INFO L124 PetriNetUnfolderBase]: 0/72 cut-off events. [2023-11-19 07:35:20,340 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:35:20,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 72 events. 0/72 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-19 07:35:20,344 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 73 transitions, 153 flow [2023-11-19 07:35:20,352 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 62 transitions, 127 flow [2023-11-19 07:35:20,356 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:35:20,368 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 62 transitions, 127 flow [2023-11-19 07:35:20,372 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 62 transitions, 127 flow [2023-11-19 07:35:20,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions, 127 flow [2023-11-19 07:35:20,407 INFO L124 PetriNetUnfolderBase]: 0/62 cut-off events. [2023-11-19 07:35:20,409 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:35:20,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 62 events. 0/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-19 07:35:20,412 INFO L119 LiptonReduction]: Number of co-enabled transitions 480 [2023-11-19 07:35:23,329 INFO L134 LiptonReduction]: Checked pairs total: 1202 [2023-11-19 07:35:23,330 INFO L136 LiptonReduction]: Total number of compositions: 57 [2023-11-19 07:35:23,357 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:35:23,367 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@16f3057f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:35:23,368 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-19 07:35:23,376 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:35:23,376 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-11-19 07:35:23,377 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:35:23,377 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:35:23,377 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-19 07:35:23,378 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-19 07:35:23,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:23,385 INFO L85 PathProgramCache]: Analyzing trace with hash 7670590, now seen corresponding path program 1 times [2023-11-19 07:35:23,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:23,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447427888] [2023-11-19 07:35:23,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:23,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:24,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:24,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447427888] [2023-11-19 07:35:24,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447427888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:24,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:24,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:35:24,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944048024] [2023-11-19 07:35:24,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:24,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:35:24,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:24,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:35:24,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:35:24,174 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 130 [2023-11-19 07:35:24,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 33 flow. Second operand has 5 states, 5 states have (on average 63.8) internal successors, (319), 5 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:24,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:35:24,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 130 [2023-11-19 07:35:24,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:35:24,326 INFO L124 PetriNetUnfolderBase]: 25/76 cut-off events. [2023-11-19 07:35:24,327 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:35:24,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 76 events. 25/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 271 event pairs, 4 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 142. Up to 39 conditions per place. [2023-11-19 07:35:24,331 INFO L140 encePairwiseOnDemand]: 121/130 looper letters, 16 selfloop transitions, 8 changer transitions 4/29 dead transitions. [2023-11-19 07:35:24,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 29 transitions, 117 flow [2023-11-19 07:35:24,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:35:24,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:35:24,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 409 transitions. [2023-11-19 07:35:24,360 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5243589743589744 [2023-11-19 07:35:24,361 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 409 transitions. [2023-11-19 07:35:24,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 409 transitions. [2023-11-19 07:35:24,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:24,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 409 transitions. [2023-11-19 07:35:24,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 68.16666666666667) internal successors, (409), 6 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:24,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 130.0) internal successors, (910), 7 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:24,388 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 130.0) internal successors, (910), 7 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:24,391 INFO L175 Difference]: Start difference. First operand has 19 places, 15 transitions, 33 flow. Second operand 6 states and 409 transitions. [2023-11-19 07:35:24,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 29 transitions, 117 flow [2023-11-19 07:35:24,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 29 transitions, 116 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:35:24,396 INFO L231 Difference]: Finished difference. Result has 26 places, 19 transitions, 80 flow [2023-11-19 07:35:24,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=80, PETRI_PLACES=26, PETRI_TRANSITIONS=19} [2023-11-19 07:35:24,404 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 7 predicate places. [2023-11-19 07:35:24,405 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 19 transitions, 80 flow [2023-11-19 07:35:24,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 63.8) internal successors, (319), 5 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:24,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:35:24,406 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-19 07:35:24,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:35:24,406 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-19 07:35:24,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:24,407 INFO L85 PathProgramCache]: Analyzing trace with hash 7670604, now seen corresponding path program 1 times [2023-11-19 07:35:24,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:24,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592655937] [2023-11-19 07:35:24,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:24,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:24,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:24,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:24,483 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:35:24,485 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2023-11-19 07:35:24,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2023-11-19 07:35:24,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 7 remaining) [2023-11-19 07:35:24,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-11-19 07:35:24,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2023-11-19 07:35:24,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2023-11-19 07:35:24,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2023-11-19 07:35:24,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:35:24,489 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:35:24,496 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:35:24,496 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:35:24,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__nusers [2023-11-19 07:35:24,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__count [2023-11-19 07:35:24,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__lock [2023-11-19 07:35:24,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-19 07:35:24,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__kind [2023-11-19 07:35:24,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__owner [2023-11-19 07:35:24,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post32 could not be translated [2023-11-19 07:35:24,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__nusers [2023-11-19 07:35:24,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__count [2023-11-19 07:35:24,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__lock [2023-11-19 07:35:24,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__kind [2023-11-19 07:35:24,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-19 07:35:24,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__owner [2023-11-19 07:35:24,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:35:24 BasicIcfg [2023-11-19 07:35:24,521 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:35:24,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:35:24,522 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:35:24,523 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:35:24,523 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:20" (3/4) ... [2023-11-19 07:35:24,524 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 07:35:24,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__nusers [2023-11-19 07:35:24,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-19 07:35:24,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__count [2023-11-19 07:35:24,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__lock [2023-11-19 07:35:24,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__kind [2023-11-19 07:35:24,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__owner [2023-11-19 07:35:24,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post32 could not be translated [2023-11-19 07:35:24,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__nusers [2023-11-19 07:35:24,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__count [2023-11-19 07:35:24,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__lock [2023-11-19 07:35:24,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__kind [2023-11-19 07:35:24,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-19 07:35:24,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__owner [2023-11-19 07:35:24,567 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:35:24,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:35:24,568 INFO L158 Benchmark]: Toolchain (without parser) took 5907.11ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 121.7MB in the beginning and 124.6MB in the end (delta: -2.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-19 07:35:24,568 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:35:24,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.30ms. Allocated memory is still 155.2MB. Free memory was 121.3MB in the beginning and 94.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 07:35:24,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.63ms. Allocated memory is still 155.2MB. Free memory was 94.0MB in the beginning and 91.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:35:24,570 INFO L158 Benchmark]: Boogie Preprocessor took 34.13ms. Allocated memory is still 155.2MB. Free memory was 91.9MB in the beginning and 90.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:35:24,570 INFO L158 Benchmark]: RCFGBuilder took 546.98ms. Allocated memory is still 155.2MB. Free memory was 90.5MB in the beginning and 76.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:35:24,571 INFO L158 Benchmark]: TraceAbstraction took 4426.62ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 76.3MB in the beginning and 127.8MB in the end (delta: -51.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:35:24,571 INFO L158 Benchmark]: Witness Printer took 44.93ms. Allocated memory is still 186.6MB. Free memory was 127.8MB in the beginning and 124.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:35:24,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.30ms. Allocated memory is still 155.2MB. Free memory was 121.3MB in the beginning and 94.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.63ms. Allocated memory is still 155.2MB. Free memory was 94.0MB in the beginning and 91.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.13ms. Allocated memory is still 155.2MB. Free memory was 91.9MB in the beginning and 90.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 546.98ms. Allocated memory is still 155.2MB. Free memory was 90.5MB in the beginning and 76.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4426.62ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 76.3MB in the beginning and 127.8MB in the end (delta: -51.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 44.93ms. Allocated memory is still 186.6MB. Free memory was 127.8MB in the beginning and 124.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 66 PlacesBefore, 19 PlacesAfterwards, 62 TransitionsBefore, 15 TransitionsAfterwards, 480 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 57 TotalNumberOfCompositions, 1202 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 763, independent: 647, independent conditional: 0, independent unconditional: 647, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 291, independent: 271, independent conditional: 0, independent unconditional: 271, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 763, independent: 376, independent conditional: 0, independent unconditional: 376, dependent: 96, dependent conditional: 0, dependent unconditional: 96, unknown: 291, unknown conditional: 0, unknown unconditional: 291] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 22, Positive conditional cache size: 0, Positive unconditional cache size: 22, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 924]: integer overflow possible integer overflow possible We found a FailurePath: [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L929] 0 pthread_t id; [L930] 0 int i = __VERIFIER_nondet_int(); [L930] 0 int i = __VERIFIER_nondet_int(); [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [arg={2:0}, i={2:0}, id={3:0}, mutex1={1:0}] [L922] 1 int *p = (int *) arg; [L924] EXPR 1 \read(*p) [L924] 1 (*p)++ VAL [arg={2:0}, arg={2:0}, mutex1={1:0}, p={2:0}] - UnprovableResult [Line: 934]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 92 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:35:24,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83681c34-9327-40a8-9d0b-818415915ff3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)